Free and Premium WGU Introduction-to-IT Dumps Questions Answers

IT professional organizations publish codes of ethics to provide moral guidance for individuals and organizations working in the technology field. In Information Technology, a code of ethics outlines principles and standards of conduct related to responsibilities such as protecting privacy, ensuring security, avoiding harm, maintaining professional competence, being honest about system capabilities, and respecting intellectual property. These ethical standards help professionals make responsible decisions, especially when technical choices can affect users, society, or critical infrastructure. Regulations are legal requirements issued by governments and enforced through law. Policies are internal rules set by organizations to guide behavior within a specific company or institution. Bylaws are governance rules that define how an organization operates, such as membership, elections, and leadership structure, but they do not primarily serve as moral guidance for the broader profession. Professional ethics documents, on the other hand, are meant to guide behavior across the industry and promote trust and accountability. Therefore, the correct answer is ethics.

1.Understanding EULAs: When a customer or business purchases software, they are essentially acquiring a license to use it, not ownership. The software vendor retains ownership, and the user must agree to the terms specified in the EULA before accessing the application.

2.Rights and Restrictions: The EULA outlines what the user can and cannot do with the software. It covers aspects such as installation, usage, copying, distribution, and any limitations.

3.Liability and Disclaimers: EULAs clarify liability, provide infringement information, and specify disclaimers. They protect both the vendor and the user by setting clear boundaries.

4.Termination: EULAs address how and when the right to use the application may be terminated.

5.Other Names for EULA: While “End User License Agreement” is the most common term, other names include “Licensed application end user agreement,” “Software license agreement,” and more.

6.Vendor Protection: EULAs shield software vendors against copyright infringement, misuse, and reverse engineering. They allow vendors to limit their own liability and protect their reputation.

References

1.ServiceNow: What is an End-User License Agreement (EULA)?

2.ContractsCounsel: End User License Agreement

3.Icertis: The Importance of the End User License Agreement

4.Law 365: End User License Agreements (EULA) | For Microsoft Partners

5.PandaDoc: What is an End User License Agreement?

The processing unit handles the operations performed on data. In Information Technology fundamentals, the processing unit refers primarily to the central processing unit, which executes instructions and performs arithmetic and logical operations on data. When software runs, its instructions are processed through cycles such as fetch, decode, and execute, and the CPU uses internal components like the arithmetic logic unit to carry out calculations and comparisons. Primary storage, such as RAM, temporarily holds data and instructions for fast access, but it does not perform calculations. Secondary storage, such as hard drives and solid-state drives, provides long-term data retention and is slower than primary storage; it also does not compute results. Peripheral devices include input and output devices such as keyboards, mice, printers, and monitors, which help users interact with the computer rather than performing core processing. Since the question asks which component handles operations on data, it points directly to the processing unit as the part responsible for computation and instruction execution. Therefore, the correct answer is processing unit.

Second-generation computers, roughly from the mid-1950s to the early 1960s, are characterized by the replacement of vacuum tubes with transistors as the primary electronic switching device. Transistors were a major improvement because they were smaller in size, generated far less heat, used less electrical power, and were more reliable than vacuum tubes. This reduced maintenance needs and hardware failures, making computers more stable and suitable for wider organizational use. Performance also improved because transistors could switch faster than vacuum tubes, enabling quicker processing and more efficient operation. During this era, computers also advanced in software support, with greater use of assembly language and the introduction of early high-level programming languages such as FORTRAN and COBOL. These developments made programming more practical and increased adoption in scientific calculations and business data processing. Microprocessors belong to a much later stage, artificial intelligence is typically linked to later generations, and nanotechnology is a modern fabrication concept. Therefore, transistors are the defining technology of second-generation computing.

User Acceptance Testing (UAT) is a type of systems testing that involves end users testing the system with simulated data and the assistance of the developer or testing team. Let’s break down the options:

•User Acceptance (A): UAT is the final phase of testing before the software is released to production. It ensures that the system meets the business requirements and is acceptable to end users. During UAT, actual users (not developers) validate the system’s functionality, usability, and overall performance using real-world scenarios and data.

•Alpha (B): Alpha testing is conducted by the development team within the organization. It is an early-stage testing phase where developers test the software for defects and issues. End users are not directly involved in alpha testing.

•Beta ©: Beta testing occurs after alpha testing. It involves releasing the software to a limited group of external users (beta testers) who provide feedback. Beta testing is not specifically focused on simulated data or end user involvement.

•Analysis (D): Analysis is not a type of systems testing. It refers to the process of examining data, identifying patterns, and drawing conclusions.

In summary, the correct answer is A. User Acceptance, which aligns with the scenario described in the question.

1.Poor grammar and spelling errors: Phishing emails often contain mistakes in language, grammar, or spelling. These errors can be a red flag that the email is not legitimate.

2.An email from an organization you don’t recognize: Be cautious if you receive an email from an unfamiliar organization. Verify the sender’s legitimacy before taking any action.

Perl is generally categorized as an interpreted language. In Information Technology, Perl is a scripting language that is commonly executed by the Perl interpreter, which reads the source code and runs it without requiring a separate compilation step that produces a standalone executable in the typical compiled-language workflow. This makes Perl useful for tasks such as text processing, automation, system administration scripting, and rapid prototyping. Interpreted execution supports quick testing and modification because developers can run scripts immediately after editing. While some interpreted languages can be compiled into intermediate bytecode or packaged into executables, the standard and most widely taught model for Perl is interpreter-based execution. Assembly language is a low-level mnemonic representation of machine instructions, and machine language is binary code executed directly by the CPU. Perl does not fit those categories. Compared to compiled languages like C, Perl emphasizes flexibility and scripting convenience. Therefore, the correct classification for Perl in this context is interpreted language.

Freeware is software that is distributed at no monetary cost while still remaining protected by copyright laws. In Information Technology, freeware is typically fully usable without payment, but the creator or publisher retains ownership and controls the license terms. This means users may be allowed to install and use the software for free, yet they are not automatically allowed to modify the source code, resell it, or redistribute it beyond what the license permits. This distinguishes freeware from public domain software, which has no intellectual property protections and can be used, modified, and redistributed freely. It also differs from shareware, which is often free only as a trial or feature-limited version intended to encourage later purchase. Closed-source describes whether source code is available, not whether the software is free of charge. Many freeware products are also closed-source, but the key idea in the question is free availability with copyright protection. Therefore, the correct category is freeware.

1.On-demand self-service:

oCloud computing services do not require human administrators. Users can provision, monitor, and manage computing resources as needed.

oWith data centers worldwide, cloud providers have vast compute and storage assets ready for use.

oDevelopers can select resources and tools through a self-service portal, building applications without waiting for physical servers.

oAdmins set policies, but within those guardrails, employees have the freedom to build, test, and deploy apps.

Business Intelligence (BI) systems are designed to analyze data and provide actionable information that aids in strategic decision-making. The purpose of a BI system is not merely to integrate departments or provide access to raw data, nor is it limited to using only proprietary data. Instead, BI systems enable organizations to make informed decisions based on the analysis of a wide range of data. Here’s how they work:

1.Data Collection: BI systems collect data from various sources within the organization, including all departments.

2.Data Storage: The collected data is then stored in a secure and accessible manner, often in data warehouses.

3.Data Analysis: BI tools analyze this data to find patterns, trends, and insights. This analysis can include descriptive analytics to understand past performance and predictive analytics to forecast future trends.

4.Information Presentation: The insights are then presented in an understandable format, such as reports or dashboards, which decision-makers can use to guide their strategic choices.

C is commonly classified as a compiled programming language. In Information Technology curricula, C source code is typically processed by a compiler that translates the entire program into machine code or into object files that are linked into an executable. This compiled output can then be run directly by the operating system without requiring the original source code to be translated again each time. C is considered a high-level language compared with assembly and machine language, but it still provides relatively low-level control over memory and system resources through pointers and direct data structure manipulation. This makes it popular for systems programming, operating systems, embedded development, and performance-critical applications. Interpreted languages are usually executed through an interpreter at runtime, while machine language is binary code executed directly by the CPU, and assembly language uses mnemonic instructions that map closely to machine operations. Since C is normally translated ahead of time into executable code, it is best categorized as a compiled language. Therefore, the correct answer is compiled.

Public domain software has no intellectual property protections such as copyright restrictions. In Information Technology licensing concepts, public domain means the creator has waived copyright or the copyright has expired, so the work can be used freely by anyone. Users can copy, modify, distribute, and reuse the software without needing permission and without paying licensing fees. This is different from freeware, which is free to use but still copyrighted and subject to license limitations. It is also different from shareware, which is typically copyrighted software released as a trial or limited version to encourage purchase of the full product. Closed-source refers to a model where the source code is not provided publicly, but it does not mean there are no intellectual property protections. The key phrase in the question is no intellectual property protections, which aligns directly with public domain status. Therefore, the correct answer is public domain.

In the DIKW hierarchy, data represents raw facts and unprocessed observations. Data is typically collected directly from events, measurements, transactions, or sensors and does not carry meaning by itself until it is organized and interpreted. Examples include numbers, symbols, dates, individual readings, or isolated text entries. In Information Technology and Information Systems fundamentals, data is considered the foundation of the DIKW pyramid because all higher levels depend on it. When data is processed, structured, or placed into context, it becomes information. For example, the number 18 alone is simply data, but when connected to a context such as minutes to bake a pizza, it becomes meaningful information. Knowledge goes further by combining information with experience, rules, and understanding to support decisions and actions. Wisdom sits at the top and reflects judgment, ethics, and choosing what should be done in a situation. Therefore, the DIKW component that includes raw facts is data.

•Verified Answer: Vacuum tubes were used as one of the hardware components in the first generation of computers.

•Explanation: The first-generation computers, developed between 1946 and 1959, relied on vacuum tubes for their circuitry. These vacuum tube computers paved the way for electronic computing.

One major factor that determines the choice of an operating system is the device type. Operating systems are designed for specific categories of hardware and usage environments, such as desktop computers, servers, mobile phones, tablets, embedded devices, and network appliances. In Information Technology fundamentals, selecting an operating system begins with identifying the platform requirements, including processor architecture, memory limits, battery needs, and how the device will be used. For example, iOS and Android are designed for mobile devices, Windows and macOS are designed for desktops and laptops, and server operating systems are tuned for reliability, remote administration, and multi-user workloads. While driver compatibility is also an important consideration, many curricula treat it as a sub-factor related to hardware support within a chosen device category. Number of devices relates more to licensing and deployment planning, and coding language is not a direct determinant of which operating system must be used. Therefore, device type is a correct factor in choosing an operating system.

In project management, scope creep refers to the uncontrolled expansion of a project’s scope beyond its original boundaries. Here’s a breakdown:

1.Project Initiation:

oProject initiation is the first step in starting a new project.

oDuring this phase, you establish why you’re doing the project and what business value it will deliver.

oThe goal is to secure buy-in from key stakeholders based on the project’s initial definition.

2.Scope Creep:

oOnce a project is underway, additional requirements or changes may arise.

oThese unplanned additions can lead to scope creep.

oExamples include:

New features requested by stakeholders.

Enhancements beyond the original scope.

Unforeseen requirements emerging during execution.

3.Impact of Scope Creep:

oScope creep can:

Delay the project timeline.

Increase costs due to additional work.

Affect quality if rushed changes are made.

Create frustration among team members.

4.Managing Scope Creep:

oTo prevent scope creep:

Define clear project boundaries during initiation.

Document requirements thoroughly.

Regularly review and assess any proposed changes.

Communicate with stakeholders about trade-offs.

Healthcare providers need to consider the Health Insurance Portability and Accountability Act of 1996 (HIPAA) to ensure that they do not illegally provide patient information1. HIPAA establishes national standards to protect individuals’ medical records and other individually identifiable health information, including protected health information2. It applies to health plans, health care clearinghouses, and health care providers that conduct certain health care transactions electronically2. The Privacy Rule within HIPAA sets a baseline of protection for health information and allows patients to choose whether their health information may be disclosed for specific purposes such as treatment, payment, and health care operations3. Therefore, healthcare providers partnering with local hospitals and health centers should adhere to HIPAA guidelines to safeguard patient privacy.

The layer responsible for altering a database after receiving a request is the database management layer. In standard database architecture, the database management system acts as the software layer that processes requests, enforces rules, and performs operations such as insert, update, and delete. When an application or user submits a query or transaction, the database management layer interprets the request, checks permissions and constraints, manages concurrency so multiple users can work safely, and then applies changes to the stored data. It also helps ensure reliability through transaction controls such as commit and rollback, which protect data integrity when failures occur. The application layer is where the user interface and business logic typically run, but it does not directly manage the physical storage and controlled updates of the database. The flat-file layer is not a standard layer in modern database applications, and object-oriented layer refers to a programming design style rather than the core DBMS component. Therefore, the correct layer is the database management layer.

1.Arithmetic Logic Unit (ALU):

oThe ALU is a critical component within the CPU. It performs various arithmetic operations (such as addition, subtraction, multiplication, and division) and logic operations (such as comparisons, AND/OR operations, and shifting).

oWhen you perform a calculation on your computer, the ALU processes the numbers involved and produces the result.

oFor example, when you add two numbers in a spreadsheet, the ALU handles the addition operation.

2.Instruction Execution:

oThe CPU executes instructions based on machine code (binary signals represented as 1’s and 0’s).

oThese instructions come from software programs (applications), the operating system, or other components.

oThe CPU fetches an instruction from memory, decodes it, performs the necessary operation (using the ALU), and then stores the result.

oThis process happens at an incredibly fast rate, allowing your computer to perform complex tasks seamlessly.

3.System Bus:

oThe CPU communicates with other components (such as RAM, storage devices, and peripherals) through the system bus.

oThe system bus consists of three types:

Control Bus: Facilitates communication between the CPU and other devices.

Data Bus: Transfers data between different components.

Address Bus: Identifies memory locations for data access.

References

1.What Is a CPU, and What Does It Do? - How-To Geek

2.What Is The Purpose Of The Central Processing Unit (CPU) In A Computer? - Robots.net

3.Central Processing Unit (CPU) - GeeksforGeeks12

•Proprietary software refers to software that is closed source and is commercially licensed. It is developed by a specific company or individual, and its source code is not publicly available.

•In proprietary software, the end user does not have the authority to modify or reuse the software code. The software is typically distributed as operational code only, without providing access to the underlying source code.

•Proprietary licenses often include terms that prohibit “reverse engineering” of the object code with the intention of obtaining the source code.

•Examples of proprietary software include Microsoft Office, Adobe Photoshop, and many commercial applications.

•References:

o1 Snyk. “What is a software license? 5 Types of Software Licenses Explained.” Link

o2 Turing. “Open Source vs. Commercial Software License: What Do You Need?” Link

o3 License.md. “What type of license is needed for Commercial Use Software?” Link

o4 Thales Group. “Commercial License FAQ.” Link

Note: While proprietary software utilizes a commercial software license, it’s essential to understand that open-source software (which is freely available and allows modification and reuse of source code) falls under a different category. However, for the specific question, the correct answer is A. Proprietary.

A router manages network traffic by using a routing table to determine where data packets should be sent. In Information Technology networking, a router connects different networks, such as a home local network and the internet, and forwards packets based on destination IP addresses. The routing table contains information about known networks and the best path to reach them. This allows the router to direct traffic efficiently between networks and to serve as a gateway for devices on a local area network. Option A describes a server, which provides services like hosting websites or applications. Option C describes a repeater, which boosts or regenerates signals to extend cable distance. Option D describes a modem, which modulates and demodulates signals to convert between analog and digital forms for transmission over certain media. While modern home routers may also include switch and wireless access point features, the core routing function is traffic management using routing information. Therefore, the correct answer is the option describing maintaining a table and managing traffic, which is option B.

Wireless headphones typically connect to a smartphone using Bluetooth, which is an example of a personal area network. In Information Technology, a personal area network is a short-range network centered around an individual’s devices, usually within a few meters. PAN technology is designed for low power usage and convenient device pairing, making it ideal for accessories such as headphones, smartwatches, fitness trackers, and wireless keyboards. A local area network covers a larger area such as a home, office, or campus and commonly uses Ethernet or Wi-Fi to connect computers and network devices. A wide area network spans large geographic distances and connects networks across cities, countries, or continents, often using leased lines or internet infrastructure. Extended area network is not a standard category used in most networking fundamentals curricula compared with PAN, LAN, MAN, and WAN. Since the connection between headphones and a phone is short-range and personal, it is best classified as a personal area network. Therefore, the correct answer is PAN.

Developing questions for the survey that are directly related to customers’ application preferences is a practice that would help ensure collecting quality data.

Nadia should focus on relevant questions related to application preferences to gather accurate data.

References

1.WGU Introduction to IT (KSO1) Algorithm1.

AAAI is a professional scientific society focused on artificial intelligence, and one of its central goals is advancing scientific understanding of the mechanisms and capabilities of intelligent machines. In Information Technology, AAAI is associated with research communities that study machine learning, reasoning, natural language processing, robotics, and problem-solving methods. The goal described in option C matches this mission by emphasizing scientific understanding of machine problem-solving capabilities. Option A aligns more with accreditation organizations, such as ABET, which evaluates academic programs. Option B describes goals associated with standards and computing infrastructure reliability and interoperability, which is more aligned with organizations that focus on standards and systems engineering. Option D aligns more with privacy-focused organizations and governance frameworks. AAAI supports conferences, publications, and collaboration aimed at improving AI theory and practice. Therefore, the correct answer is that AAAI advances a scientific understanding of the problem-solving capabilities of machines.

The third generation of computing is known for major advances in operating systems, especially the move toward multiprogramming, time-sharing concepts, and improved resource management. During this era, computers became powerful enough to support operating systems that could coordinate multiple programs and users more effectively, enabling shared use of memory, processing time, and peripheral devices. This meant that instead of a computer running only one program at a time with long idle periods, the operating system could schedule tasks, allocate memory, and manage input and output to keep the system busy and efficient. These developments matched the growth of integrated circuits, which improved speed and reliability and made more advanced system software practical. Third-generation systems also emphasized better user interaction through terminals and more standardized system environments. While later generations improved operating systems further, the third generation is widely credited in Information Technology history with establishing the operating system as a central system layer for managing shared resources. Therefore, the correct answer is the third generation.

Data mirroring is an important business continuity strategy because it maintains a synchronized copy of data on a separate storage system or site. In Information Technology, mirroring supports rapid recovery by ensuring that if the primary data store fails, an up-to-date replica is available to restore operations. Mirroring may be implemented through storage replication, database replication, or real-time backup technologies, and it is often used for high-availability systems that require minimal data loss. This approach directly supports business continuity goals by reducing recovery time and limiting the recovery point, meaning less data is lost between the failure and the restored system. User authentication and data encryption are critical security controls, but they do not by themselves ensure operational continuity after outages or disasters. Service variety is not a standard continuity strategy term in most IT curricula. Business continuity focuses on redundancy, replication, failover, and recovery processes. Since mirroring creates a continuously updated duplicate of critical data, it is a core strategy used to maintain availability and speed restoration. Therefore, the correct answer is data mirroring.

A brand name is made up of multiple characters, so it should be stored as a character string. In Information Technology, a character string data type is used to store text values such as names, addresses, descriptions, and identifiers that consist of more than one character. Examples include Sony, Samsung, Dell, or Hewlett Packard. A character type would be limited to only one letter or symbol, which would not hold an entire brand name. Floating-point data types store numeric values with decimals, and Boolean data stores only two states such as true or false, so neither fits a text label like a brand name. Using a string type also allows the system to support searching, sorting, and matching operations for inventory reports and queries. In database design, this type is commonly implemented as VARCHAR or TEXT, depending on the expected length and usage. Therefore, the correct data type for storing a product brand name is character string.

•The software that allows the user to easily access the hardware of a computer is the operating system.

•Explanation: The operating system serves as the interface between hardware, application software, and the user. It manages hardware resources, file systems, processes, and memory.

•References: 12

Therefore, the correct answer is C. Operating system.

To calculate a percentage of a price, you need a data type that can handle decimal values, as the result may not be a whole number. Here’s why a floating-point data type is appropriate:

1.Precision: Floating-point data types are designed to handle numbers that have a fractional part, which is essential for representing percentages accurately.

2.Calculation: When calculating 90% of a retail price, you multiply the price by 0.9. This operation requires a data type that can represent both the price and the resulting product with decimal precision.

3.Storage: Floating-point types can store a wide range of values with precision, making them suitable for financial calculations where the exact amount matters.

The other options are not suitable for the following reasons:

•A. Boolean: Can only represent two values, true or false.

•C. Auto-number: Typically used for unique identifiers and cannot represent fractional values.

•D. String: While it can represent a number as text, it is not suitable for calculations without conversion, which is inefficient and error-prone.

•Verified Answer: IT allows businesses to have a global reach.

•Explanation: Information Technology enables companies to connect and operate on an international scale, facilitating global communication, transactions, and collaboration123.

•References: 123

Therefore, the correct answer is B. IT allows businesses to have a global reach.

Boolean data represents a logical value with only two possible states, typically true or false. In Information Technology, Boolean types are foundational for conditions, comparisons, control flow, and database fields that store yes-or-no style information. The example, “Whether a number is positive or not,” fits Boolean data because the statement can be evaluated as true if the number is greater than zero, or false otherwise. This two-state characteristic is exactly what defines Boolean logic. The other options describe different data types: the first letter of a last name is a character, a full last name is a character string, and the price of gas in dollars and cents is numeric with decimals, typically stored as a floating-point or fixed-point decimal type. Boolean fields are widely used in systems for flags such as active or inactive, approved or not approved, and eligible or not eligible. Therefore, the correct example of Boolean data is whether a number is positive or not.

An interpreter translates and executes source code one line at a time. In Information Technology, interpretation is a method of program execution where each statement is read, translated into machine-level actions, and executed immediately. This allows programmers to test and debug quickly because errors are often reported at the line where execution stops. Many scripting languages and interactive environments use interpreters, supporting rapid development and flexibility. Unlike a compiler, which translates the entire program into a machine code file that can be executed later, an interpreter generally requires the source code or intermediate representation to be present at runtime. An assembler is used for assembly language and converts mnemonic instructions into machine code, but it is not typically described as executing source code one line at a time. The operating system manages system resources and provides services, but it is not the tool that translates programming language source code into machine language during execution. Therefore, the correct answer for translating and executing code line by line is interpreter.

The third generation of computing is strongly associated with the introduction and widespread use of integrated circuits. Integrated circuits, often called ICs, combine many electronic components such as transistors, resistors, and capacitors onto a single silicon chip. This integration dramatically reduced the physical size of computers while increasing processing speed, reliability, and efficiency. Compared with second-generation transistor-based computers, third-generation machines produced less heat, required less maintenance, and offered better overall performance. This era also enabled more sophisticated computer designs, supporting improved input and output devices and stronger system capabilities for business and scientific computing. In many standard Information Technology references, the generational shift is summarized as first generation using vacuum tubes, second generation using transistors, third generation using integrated circuits, and fourth generation using microprocessors. Fifth generation is generally linked with artificial intelligence and advanced parallel processing concepts rather than the initial adoption of ICs. Therefore, the generation most clearly identified with integrated circuits is the third generation.

An input device is any hardware device that sends data to a computer, allowing you to interact with and control it. Input devices enable users to input information into the computer system. Let’s break down the options:

•Flash Drive (A): A flash drive (also known as a USB drive or thumb drive) is a storage device, not an input device. It allows you to store and transfer data but does not directly input data into the computer.

•CD (B): A CD (compact disc) is also a storage medium, typically used for storing audio, video, or software files. Like a flash drive, it is not an input device.

•Scanner ©: A scanner is a classic example of an input device. It captures physical documents, images, or text and converts them into digital data that the computer can process. Scanners are commonly used for tasks like digitizing photos, creating PDFs, or scanning documents.

•Printer (D): A printer is an output device, not an input device. It produces hard copies (printed documents) based on digital data received from the computer.

In summary, the correct answer is C. Scanner, as it directly inputs data into the computer system.

1.Initiation

2.Planning

3.Executing

4.Monitoring and Controlling

5.Closing

During the Initiation Phase, the project’s vague brief is clarified, and key success criteria are defined. It involves project kickoff meetings, understanding project requirements, and defining scope, cost, and resources12.

References 2. The Digital Project Manager 3. Visme

1.Lexical Analysis:

oThe source code is first tested by the compiler’s lexer, which breaks it down into tokens (such as keywords, identifiers, operators, and punctuation).

oThis step identifies the individual elements of the program.

2.Syntactic and Semantic Analysis:

oThe compiler performs syntactic analysis, checking the source code for syntax errors and ensuring it follows the correct language-specific rules.

oIf any errors occur, the compiler throws an error and stops the compilation.

oAdditionally, the compiler performs semantic analysis to find the meaning of the code.

oIt checks for logical errors, such as type mismatches, undeclared variables, and incorrect usage of operators.

3.Optimization:

oOnce the code is syntactically correct, the compiler performs low-level optimization to improve performance.

oThis may involve reducing memory usage or optimizing code for speed by rearranging instructions or eliminating unnecessary operations.

4.Output Code Generation:

oFinally, the compiler generates machine code corresponding to the original source code.

oThe resulting machine code resides in a binary file that the computer’s hardware can execute directly.

Why Do We Use Compilers?

•Compilers catch syntax and semantic errors before running the code, saving time and preventing crashes.

•They optimize code for efficient execution, resulting in faster, more compact programs.

Disadvantages of a Compiler:

•Compiled code is platform-dependent, meaning it produces a machine-specific executable file.

•Code compiled on one type of machine won’t run on another type without recompilation1.

References

1.GeeksforGeeks

2.Built In

3.Wikipedia

Bluetooth is the wireless technology commonly identified in IT fundamentals as supporting short-range communication up to around 300 feet in higher-power implementations. Bluetooth is designed for personal area networking, connecting devices such as headphones, keyboards, speakers, and smartphones with low power consumption and easy pairing. Different Bluetooth classes exist: some provide only a few meters of range, while higher-power versions can extend to roughly 100 meters, which is close to 300 feet, under good conditions. Wi-Fi typically supports larger local-area coverage and is used to connect devices to local networks and the internet. A wide area network is not a wireless technology standard; it is a type of network spanning large geographic areas. Near field communication is designed for extremely short distances, usually a few centimeters, and is used for contactless payments and quick device taps. Since the question asks for a wireless technology specifically accommodating distances up to 300 feet, Bluetooth best matches that description.

Google Apps, Dropbox, and GoToMeeting are all examples of Software-as-a-Service (SaaS). SaaS is a software distribution model in which a third-party provider hosts applications and makes them available to customers over the internet. This contrasts with IaaS, which provides virtualized computing resources over the internet, and PaaS, which offers hardware and software tools over the internet.

1.Google Apps (now Google Workspace) provides productivity and collaboration tools.

2.Dropbox offers cloud storage and file synchronization services.

3.GoToMeeting is an online meeting, desktop sharing, and video conferencing software.

All three services are accessed over the internet and do not require users to manage hardware or software updates, which is characteristic of the SaaS model.

Shareware is software distributed at no cost initially but typically provided as a limited version with restrictions. The limitations may include reduced features, a trial period, watermarks, usage limits, or reminders to purchase the full product. In Information Technology, shareware is often used as a marketing and distribution model that allows users to evaluate software before buying a license to unlock full functionality. This differs from freeware, which is available at no cost and is usually fully functional, though the author retains copyright. Public domain software has no copyright restrictions and can be used, modified, and redistributed freely, which is different from a limited trial distribution model. Closed-source refers to software where the source code is not publicly available, but it does not automatically mean the software is free or functionally limited. Since the question describes a functionally limited version available at no cost, the correct type of software is shareware.