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Basic Knowledge of Computer

Transistors were first used in ____________ generation of computers.

A. 1st
B. 2nd
C. 3rd
D. 4th

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B. 2nd

From which generation operating systems were developed?

A. 1st
B. 2nd
C. 3rd
D. 4th

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C. 3rd

Which general purpose register is used in looping and rotation?

A. AX
B. BX
C. CX
D. DX

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C. CX

Which among the following is not a general purpose register?

A. AX
B. BX
C. CX
D. IR

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D. IR

Which register holds the instruction which is currently been executed?

A. Instruction register IR
B. Memory Data Register MDR
C. Memory Address register MAR
D. Accumulator register AC

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A. Instruction register IR

Which register is used to store data/instruction coming from the memory or going to the memory?

A. Memory Buffer register MBR
B. Memory Data register MDR
C. Memory Address register MAR
D. Accumulator register AC

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A. Memory Buffer register MBR

Which register holds the address of the next instruction to be executed?

A. Instruction Register IR
B. Program Counter PR
C. Memory Buffer Register MBR
D. Memory Data Register MDR

Show Answer
B. Program Counter PR
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