Computer mcqs

Page 9 of 15

#73 ________ changes alternating current (AC) to low-voltage direct current (DC) to operate the processor and peripheral devices.

A) Motherboard
B) Power supply
C) Output unit
D) Register
Answer: B

#74 which of the following is the firmware built into the computer system ?

A) Slot
B) RAM
C) Port
D) BIOS
Answer: D

#75 ___________ are the opening or sockets in a computer motherboard where a circuit board or expansion card can be inserted to add new functionalities to the computer.

A) BIOS
B) Ports
C) Power supplies
D) Expansion slots
Answer: D

#76 which of the following port is a high-speed point-to-point channel (pathway),primarily used for 3D computer graphics ?

A) AGP
B) PCI
C) PCIe
D) ISA
Answer: A

#77 __________ is a new technology cable for connecting storage drives to computer .

A) IDE
B) PCIe
C) FD
D) SATA
Answer: D

#78 which of the following is the fastest slots?

A) AGP
B) PCIe
C) FD
D) ISA
Answer: B

#79 ___________ is the circuit which enable the CPU to communicate with disk drives.

A) memory
B) Disk controller
C) Bus
D) Port
Answer: B

#80 ________ is the most commonly used port in modern computers for connecting a large variety of devices to the computer .

A) USB
B) PS/2
C) Fire wire
D) LPT1
Answer: A

#81 which of the following cards facilitates the input and output of audio signals to and from a computer?

A) video card
B) modern card
C) sound card
D) network interface card
Answer: C

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