Which of the following is a special-purpose register of microprocessor?

A)
Accumulator
B)
Program counter
C)
Temporary register
D)
Instruction register

Correct Answer : Option (B) :   Program counter

Explanation : Instruction register, accumulator, and temporary register are general-purpose registers but program counter is a special-purpose register because it holds the address of the next instruction.

Recently Updated in Microprocessors Questions
If I = J = K = 13, then in Fortran 1 = 10 - (1 / 10) * 10 + (J / 5) * 4 + K ** (- 2) is equal to
A)
5
B)
6
C)
7
D)
8

Correct Answer :   8

In the dimension statement DIMENSION A (50, 50), K (100, 100) the total number of locations reserved will be
A)
2500
B)
100000
C)
125000
D)
250000

Correct Answer :   125000

In super computers the extra level of primary memory is generally called
A)
Single stage device
B)
Digital state device
C)
Solid state device
D)
Surface stage device

Correct Answer :   Solid state device

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