WGU D075 Exam 2026 – Complete Study Guide & Practice
Questions with Answers | Latest Updates
SECTION 1: IT Fundamentals & Hardware (Questions 1-15)
Q1. What is the major function of a computer operating system?
A. Data management
B. Application program management
C. Network management
D. Computer resource management
Answer: D
Rationale: The operating system (OS) manages hardware resources including
CPU, memory, storage, and input/output devices. It serves as the foundation that
other software runs on .
Q2. What hardware component performs most of the calculations for a
computer?
A. RAM
B. CPU
C. Hard drive
D. Motherboard
Answer: B
Rationale: The Central Processing Unit (CPU) is the "brain" of the computer,
executing program instructions and performing calculations .
Q3. What is the purpose of a universal serial bus (USB) port on a laptop or
desktop computer?
A. Provides wired ethernet connection
B. Serves as internal transmission bus
C. Allows for universal wireless data transmission
D. Allows the computer to connect peripheral devices
,Answer: D
Rationale: USB ports allow connection of peripheral devices such as keyboards,
mice, printers, and external drives .
Q4. What is Random Access Memory (RAM)?
A. Permanent storage for files
B. Short-term working memory for active programs
C. Long-term data storage
D. The computer's main processor
Answer: B
Rationale: RAM is temporary memory that holds data for currently running
programs. It is volatile, meaning data is lost when power is turned off .
Q5. Which of the following is an example of system software?
A. Microsoft Word
B. Windows Operating System
C. Adobe Photoshop
D. Google Chrome
Answer: B
Rationale: System software runs in the background and requires little user
intervention. The operating system is the primary example of system software .
Q6. A large heating and air conditioning company provides each employee with
a small computing device to track work and accept payments. Which term refers
specifically to this type of device?
A. Peripheral computer
B. Microcomputer
C. Minicomputer
D. Handheld computer
,Answer: D
Rationale: Handheld computers are portable devices designed for specific tasks
such as tracking work and processing payments .
Q7. Which category of software includes programs such as word processors and
PDF document readers?
A. Application software
B. Project software
C. System software
D. Utility software
Answer: A
Rationale: Application software is designed for users to carry out specific tasks,
such as word processing or reading PDF documents .
Q8. What is the underlying foundation or basic framework for an organization
or project called?
A. Framework
B. Infrastructure
C. Architecture
D. Platform
Answer: B
Rationale: Infrastructure is the underlying foundation or basic framework that
supports an organization or project .
Q9. What is Moore's Law?
A. Computer storage doubles every 12 months
B. Computing processing power doubles every 18 months
C. Network speed doubles every 24 months
D. Software complexity doubles every year
, Answer: B
Rationale: Moore's Law observes that computing processing power doubles
approximately every 18 months .
Q10. What is a "best practice" in IT management?
A. The cheapest way to complete a task
B. The fastest way to complete a task
C. The most effective way of arriving at a desired outcome
D. The most common way to complete a task
Answer: C
Rationale: A best practice is a management process or method that is most
effective at achieving a desired outcome .
Q11. What is cache memory?
A. Permanent storage for files
B. A hardware or software component that stores data for faster future access
C. The computer's main processor
D. A type of network connection
Answer: B
Rationale: Cache stores frequently accessed data so that future requests can be
served faster, improving performance .
Q12. Which of the following is an output device?
A. Keyboard
B. Mouse
C. Monitor
D. Scanner
Answer: C
Rationale: A monitor displays output from the computer. Input devices include
keyboard, mouse, and scanner .
Questions with Answers | Latest Updates
SECTION 1: IT Fundamentals & Hardware (Questions 1-15)
Q1. What is the major function of a computer operating system?
A. Data management
B. Application program management
C. Network management
D. Computer resource management
Answer: D
Rationale: The operating system (OS) manages hardware resources including
CPU, memory, storage, and input/output devices. It serves as the foundation that
other software runs on .
Q2. What hardware component performs most of the calculations for a
computer?
A. RAM
B. CPU
C. Hard drive
D. Motherboard
Answer: B
Rationale: The Central Processing Unit (CPU) is the "brain" of the computer,
executing program instructions and performing calculations .
Q3. What is the purpose of a universal serial bus (USB) port on a laptop or
desktop computer?
A. Provides wired ethernet connection
B. Serves as internal transmission bus
C. Allows for universal wireless data transmission
D. Allows the computer to connect peripheral devices
,Answer: D
Rationale: USB ports allow connection of peripheral devices such as keyboards,
mice, printers, and external drives .
Q4. What is Random Access Memory (RAM)?
A. Permanent storage for files
B. Short-term working memory for active programs
C. Long-term data storage
D. The computer's main processor
Answer: B
Rationale: RAM is temporary memory that holds data for currently running
programs. It is volatile, meaning data is lost when power is turned off .
Q5. Which of the following is an example of system software?
A. Microsoft Word
B. Windows Operating System
C. Adobe Photoshop
D. Google Chrome
Answer: B
Rationale: System software runs in the background and requires little user
intervention. The operating system is the primary example of system software .
Q6. A large heating and air conditioning company provides each employee with
a small computing device to track work and accept payments. Which term refers
specifically to this type of device?
A. Peripheral computer
B. Microcomputer
C. Minicomputer
D. Handheld computer
,Answer: D
Rationale: Handheld computers are portable devices designed for specific tasks
such as tracking work and processing payments .
Q7. Which category of software includes programs such as word processors and
PDF document readers?
A. Application software
B. Project software
C. System software
D. Utility software
Answer: A
Rationale: Application software is designed for users to carry out specific tasks,
such as word processing or reading PDF documents .
Q8. What is the underlying foundation or basic framework for an organization
or project called?
A. Framework
B. Infrastructure
C. Architecture
D. Platform
Answer: B
Rationale: Infrastructure is the underlying foundation or basic framework that
supports an organization or project .
Q9. What is Moore's Law?
A. Computer storage doubles every 12 months
B. Computing processing power doubles every 18 months
C. Network speed doubles every 24 months
D. Software complexity doubles every year
, Answer: B
Rationale: Moore's Law observes that computing processing power doubles
approximately every 18 months .
Q10. What is a "best practice" in IT management?
A. The cheapest way to complete a task
B. The fastest way to complete a task
C. The most effective way of arriving at a desired outcome
D. The most common way to complete a task
Answer: C
Rationale: A best practice is a management process or method that is most
effective at achieving a desired outcome .
Q11. What is cache memory?
A. Permanent storage for files
B. A hardware or software component that stores data for faster future access
C. The computer's main processor
D. A type of network connection
Answer: B
Rationale: Cache stores frequently accessed data so that future requests can be
served faster, improving performance .
Q12. Which of the following is an output device?
A. Keyboard
B. Mouse
C. Monitor
D. Scanner
Answer: C
Rationale: A monitor displays output from the computer. Input devices include
keyboard, mouse, and scanner .
