1000+ SSC CHSL Computer Questions Pdf - 1
Question: 1
Which of the following is responsible for coordinating various operations using timing signals?
(A) arithmetic logic unit
(B) input/output unit
(C) memory unit
(D) control unit
Ans: D
control unit
Question: 2
Which is a secondary memory device?
(A) floppy disk
(B) central processing unit
(C) arithmetic logic unit
(D) mouse
Ans: A
floppy disk
Question: 3
The flow and timing of data to and from the microprocessor is regulated by
(A) address pins
(B) control pins
(C) data pins
(D) power pins
Ans: B
control pins
Question: 4
A storage device used to compensate the differences in flow of data is called
(A) auxiliary storage
(B) buffer
(C) core memory
(D) main storage
Ans: B
buffer
Question: 5
In which addressing modes the contents of a register specified in the instructions are first decremented, and then these contents are used as the effective address of the operands?
(A) auto increment
(B) auto decrement
(C) index addressing
(D) indirect addressing
Ans: B
auto decrement
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