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Exam (elaborations)

CIT: Final Exam Latest 2026/2027 Version | 100% Verified with Correct Questions and Answers

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Prepare for the CIT Final Exam 2026/2027 with a comprehensive Computer and Information Technology exam-preparation resource featuring practice questions, correct-answer guidance, and clear explanations designed to strengthen understanding and support effective final-exam review. This CIT study resource covers essential Computer and Information Technology topics, including computer hardware and components, software, operating systems, computer networks, internet concepts, cybersecurity, information systems, troubleshooting, data representation, peripheral devices, computer architecture, wireless technology, cloud computing, digital technologies, and emerging IT concepts. Current CIT practice resources also commonly emphasize practical computer use, networking, security, hardware identification, operating-system functions, and troubleshooting.

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CIT: Final Exam Latest

2026/2027 Version | 100%

Verified with Correct

Questions and Answers


1. What is the role of a power supply in a PC?

CORRECT ANSWER: Converts AC (from the wall) to DC
(in the PC).

2. What is the function of a motherboard in a PC?

CORRECT ANSWER: Nerve center; everything plugs into
it.

3. What is ROM?

CORRECT ANSWER: Read-only memory; a
microchip/integrated circuit that stores instructions on how to
boot a computer. It is nonvolatile.

4. What is RAM?

,CORRECT ANSWER: Random access memory; stores
everything currently running on the computer. It is volatile.

5. What is the CPU?

CORRECT ANSWER: Central processing unit; the brains
of the computer.

6. What is a video card?

CORRECT ANSWER: A card that plugs into a monitor or is
built into the motherboard that provides video/graphics to the
computer (GUI).

7. What is a sound card?

CORRECT ANSWER: Provides sound; usually not needed
because it is integrated into most computers.

8. What is a wireless NIC?

CORRECT ANSWER: Taps into radio frequencies to
receive network signals.

9. What is SATA?

CORRECT ANSWER: Has 7 pins, is skinny, does not
restrict airflow, and provides faster speed.

, 10. What is PATA?

CORRECT ANSWER: Has 40 pins and uses a thick ribbon
cable that can restrict airflow.

11. How can you reduce ESD when building a PC?

CORRECT ANSWER: Ground yourself by touching metal
and use an antistatic wrist strap.

12. What is ZIF?

CORRECT ANSWER: Zero insertion force; it does not
require pressure to install.

13. What two items should be installed on a
motherboard before it is installed in the case?

CORRECT ANSWER: RAM and CPU.

14. What are standoffs?

CORRECT ANSWER: Small screws or supports that stand
the motherboard off the case. They may be metal or plastic.

15. What is POST?

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