CPU Registers

Computer Awareness

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Qn #1917

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Index register in a digital computer is used for:

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Qn #803

To fetch data from secondary memory which one of the following register is used

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Qn #801

Which of the following is the fastest means of memory access for CPU?

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Qn #798

Which of the following is used by ALU to store the intermediate results?

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Qn #728

Which of the following registers is used to keep track of address of the memory location where the next instruction is located?

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Qn #608

Consider the program below which uses six temporary variables a, b, c, d, e, and f.

a = 1 
b = 10
c = 20 
d = a + b
e = c + d 
f = c + e 
b = c + e 
e = b + f 
d = 5 + e
return d + f

Assuming that all the above operations take their operands from registers, the minimum number of registers needed to execute this program without spilling is

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Qn #424

In computer architecture, which of the following correctly matches the fundamental unit used in the CPU, cache, and main memory respectively?

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Qn #416

Consider a system with a CPU having 6 registers and 32-bit instructions. The maximum possible size of the main memory is 512 KB (1K = 2¹⁰). Each instruction takes two registers and one memory address as operands. Which one of the following correctly gives the maximum possible distinct instructions that can be there in the instruction set of the CPU?

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Qn #273

The register which holds the address of the location to which the data are to be transferred is known as:

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Qn #195

Which of the following registers can hold both data and addresses?

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Qn #86

High speed memory placed between the processor and main memory is

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