Subject: IT / Computer Science mcqs

#61 Which of the following is the sequential access storage devices?

A)   magnetic disk
B)   Blue-ray disk
C)   magnetic tape
D)   Zip disk
Answer:   C

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#62 _______ Coordinates and controls the computer system just like the brain controls the human body .

A)   Bus
B)   Control Unit
C)   Output Unit
D)   Register
Answer:   B

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#63 Where are the logical operations performed in the CPU?

A)   CU
B)   Registers
C)   ALU
D)   Memory
Answer:   C

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#64 __________ is a small memory device available in the CPU to store data temporarily.

A)   CU
B)   Register
C)   ALU
D)   memory
Answer:   B

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#65 ________ is the small amount memory located between main memory and processor .

A)   RAM
B)   ROM
C)   Cache
D)   PROM
Answer:   C

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#66 which of the following cache memories resides inside the microprocessor and is very fast from the other memories ?

A)   L1 cache
B)   L2 cache
C)   L3 cache
D)   L4 cache
Answer:   A

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#67 _________ Register can perform arithmetic and data movement and it has some special addressing abilities.

A)   Base register
B)   Memory buffer register
C)   Data register
D)   Counter register
Answer:   A

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#68 System bus connects the central processing unit to ___________ on the motherboard .

A)   Register
B)   Main memory
C)   ALU
D)   Input unit
Answer:   B

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