WGU D322 | C180 Introduction to IT Exam
Section 1: Computer Hardware (Questions 1–15)
1. What is the main function of the CPU?
o Answer: The CPU processes data and executes instructions.
2. Which of the following is considered a primary storage device?
a) RAM
b) Hard drive
c) Flash drive
d) CPU
o Answer: b) Hard drive
3. Which component is responsible for performing the majority of
computations in a computer?
o Answer: CPU (Central Processing Unit)
4. What is the role of RAM in a computer system?
o Answer: RAM (Random Access Memory) temporarily stores
data that is actively used by the CPU.
5. Which type of memory is non-volatile and used for long-term
storage?
a) RAM
b) Flash memory
c) Cache
d) CPU registers
o Answer: b) Flash memory
6. What is the purpose of a motherboard in a computer?
o Answer: The motherboard connects and allows
communication between all the computer's components,
including the CPU, memory, and storage.
7. Which of the following is a type of expansion card used in
computers?
a) Network Interface Card (NIC)
b) Graphics Processing Unit (GPU)
c) Sound card
d) All of the above
o Answer: d) All of the above
8. Which of the following is not a type of storage device?
a) SSD
, b) RAM
c) CPU
d) Hard Drive
o Answer: c) CPU
9. What is the purpose of the BIOS?
o Answer: The BIOS (Basic Input/Output System) initializes
hardware during the boot-up process.
10. What is the standard form factor for most desktop
motherboards?
a) ATX
b) Micro ATX
c) Mini-ITX
d) All of the above
o Answer: d) All of the above
11. What is the purpose of a heat sink in a computer?
o Answer: A heat sink dissipates heat generated by the CPU and
other components to prevent overheating.
12. What is an SSD and how is it different from an HDD?
o Answer: An SSD (Solid-State Drive) uses flash memory for
storage, while an HDD (Hard Disk Drive) uses mechanical
components. SSDs are faster and more durable.
13. What is the primary role of the PSU in a computer system?
o Answer: The PSU (Power Supply Unit) converts electrical
power from an outlet into usable power for the computer's
components.
14. What is the function of the GPU in a computer system?
o Answer: The GPU (Graphics Processing Unit) accelerates the
rendering of images, videos, and animations.
15. Which type of bus is responsible for transferring data
between the CPU and memory?
o Answer: The system bus.
Section 2: Operating Systems (Questions 16–30)
16. What is the purpose of an operating system (OS)?
o Answer: The OS manages hardware resources and provides an
interface for software applications to run.
17. Which of the following is an example of a multitasking
operating system?
Section 1: Computer Hardware (Questions 1–15)
1. What is the main function of the CPU?
o Answer: The CPU processes data and executes instructions.
2. Which of the following is considered a primary storage device?
a) RAM
b) Hard drive
c) Flash drive
d) CPU
o Answer: b) Hard drive
3. Which component is responsible for performing the majority of
computations in a computer?
o Answer: CPU (Central Processing Unit)
4. What is the role of RAM in a computer system?
o Answer: RAM (Random Access Memory) temporarily stores
data that is actively used by the CPU.
5. Which type of memory is non-volatile and used for long-term
storage?
a) RAM
b) Flash memory
c) Cache
d) CPU registers
o Answer: b) Flash memory
6. What is the purpose of a motherboard in a computer?
o Answer: The motherboard connects and allows
communication between all the computer's components,
including the CPU, memory, and storage.
7. Which of the following is a type of expansion card used in
computers?
a) Network Interface Card (NIC)
b) Graphics Processing Unit (GPU)
c) Sound card
d) All of the above
o Answer: d) All of the above
8. Which of the following is not a type of storage device?
a) SSD
, b) RAM
c) CPU
d) Hard Drive
o Answer: c) CPU
9. What is the purpose of the BIOS?
o Answer: The BIOS (Basic Input/Output System) initializes
hardware during the boot-up process.
10. What is the standard form factor for most desktop
motherboards?
a) ATX
b) Micro ATX
c) Mini-ITX
d) All of the above
o Answer: d) All of the above
11. What is the purpose of a heat sink in a computer?
o Answer: A heat sink dissipates heat generated by the CPU and
other components to prevent overheating.
12. What is an SSD and how is it different from an HDD?
o Answer: An SSD (Solid-State Drive) uses flash memory for
storage, while an HDD (Hard Disk Drive) uses mechanical
components. SSDs are faster and more durable.
13. What is the primary role of the PSU in a computer system?
o Answer: The PSU (Power Supply Unit) converts electrical
power from an outlet into usable power for the computer's
components.
14. What is the function of the GPU in a computer system?
o Answer: The GPU (Graphics Processing Unit) accelerates the
rendering of images, videos, and animations.
15. Which type of bus is responsible for transferring data
between the CPU and memory?
o Answer: The system bus.
Section 2: Operating Systems (Questions 16–30)
16. What is the purpose of an operating system (OS)?
o Answer: The OS manages hardware resources and provides an
interface for software applications to run.
17. Which of the following is an example of a multitasking
operating system?
