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CIT: Final Exam Questions and Answers
What is the role of a power supply in a PC?
Ans: convert ac (from wall) to dc (in pc)
What is the function of a motherboard in a PC?
Ans: nerve center, everything plugs into it
read only memory, microchip/integrated circuit that stores
instructions on how to boot computer, NONVOLATILE.
Ans: ROM
random access memory, everything currently running on
computer, VOLATILE.
Ans: RAM
central processing unit, BRAINS of computer
Ans: CPU
card that plugs into monitor or built into motherboard that
provides video/graphics to computer (GUI)
Ans: Video card
Provide sound,not usually needed (integrated).
Ans: Sound Card
Taps into radio frequencies to receive network.
Ans: Wireless NIC
7 pins, skinny, doesn't restrict airflow, faster speed.
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Ans: SATA
40 pins, fat ribbon that restricts airflow.
Ans: PATA
How can you reduce ESD when building a PC?
Ans: ground yourself (touch metal), use antistatic wrist strap
zero insertion force, doesn't need pressure to install
Ans: ZIF
What 2 items should be installed on a mother board before it is
installed in the case?
Ans: RAM and CPU
Small screws that stands motherboard off of case (metal or
plastic).
Ans: Standoffs
Power on self test, beeps to indicate failure.
Ans: POST
How can you clean the dust out of your PC?
Ans: Use compressed air with PC off
Plug and play, computer automatically finds devices (video card,
USB, etc.)..
Ans: PnP
command line interface like DOS, must know commands to use.
Ans: CLI
graphical user interface, point and click
© 2025 All rights reserved
CIT: Final Exam Questions and Answers
What is the role of a power supply in a PC?
Ans: convert ac (from wall) to dc (in pc)
What is the function of a motherboard in a PC?
Ans: nerve center, everything plugs into it
read only memory, microchip/integrated circuit that stores
instructions on how to boot computer, NONVOLATILE.
Ans: ROM
random access memory, everything currently running on
computer, VOLATILE.
Ans: RAM
central processing unit, BRAINS of computer
Ans: CPU
card that plugs into monitor or built into motherboard that
provides video/graphics to computer (GUI)
Ans: Video card
Provide sound,not usually needed (integrated).
Ans: Sound Card
Taps into radio frequencies to receive network.
Ans: Wireless NIC
7 pins, skinny, doesn't restrict airflow, faster speed.
© 2025 All rights reserved
, 2 | Page
Ans: SATA
40 pins, fat ribbon that restricts airflow.
Ans: PATA
How can you reduce ESD when building a PC?
Ans: ground yourself (touch metal), use antistatic wrist strap
zero insertion force, doesn't need pressure to install
Ans: ZIF
What 2 items should be installed on a mother board before it is
installed in the case?
Ans: RAM and CPU
Small screws that stands motherboard off of case (metal or
plastic).
Ans: Standoffs
Power on self test, beeps to indicate failure.
Ans: POST
How can you clean the dust out of your PC?
Ans: Use compressed air with PC off
Plug and play, computer automatically finds devices (video card,
USB, etc.)..
Ans: PnP
command line interface like DOS, must know commands to use.
Ans: CLI
graphical user interface, point and click
© 2025 All rights reserved
