Explore topic-wise MCQs in Microprocessors.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Microprocessors knowledge and support exam preparation. Choose a topic below to get started.

1.

The instruction that is the NOP instruction of the coprocessor is

A. CNOP
B. FNOP
C. SNOP
D. PNOP
Answer» C. SNOP
2.

The instruction that is used to store the environment of the coprocessor to a destination memory location is

A. FINCSTP
B. FLDENV
C. FFREE
D. FSTENV
Answer» E.
3.

The instruction that enables the interrupt structure and response mechanism is

A. FINIT
B. FDISI
C. FENI
D. FLDCW
Answer» D. FLDCW
4.

When the instruction FINIT performs its function, then the TAG status is

A. set
B. empty
C. reset
D. zero
Answer» C. reset
5.

The instructions that are used to program the numeric processor or to handle the internal housekeeping functions are

A. transcendental operations
B. comparison instructions
C. constant operations
D. coprocessor control instructions
Answer» E.
6.

The instruction that loads log 10 (to the base 2) to stack top is

A. FLDPI
B. FLDLG2
C. FLD2T
D. FLDLN2
Answer» D. FLDLN2
7.

The content of the stack is compared with zero to check whether the content is zero, using the instruction

A. FCOM
B. FIST
C. FCOMP
D. FXAM
Answer» C. FCOMP
8.

If x is the value stored at the top of the stack, then the instruction F2XMI calculates the expression

A. 2x
B. 2x+1
C. 2x-1
D. log(2x)
Answer» D. log(2x)
9.

When the instruction, FPREM, is performed, the data stored on to the stack top is

A. dividend
B. divisor
C. quotient
D. remainder
Answer» E.
10.

When the instruction, FDIV is performed, the destination is

A. memory
B. stack top
C. register
D. stack bottom
Answer» C. register
11.

The instruction that performs real or integer multiplication of the specified operand with stack top is

A. AMUL
B. IMUL
C. RMUL
D. FMUL
Answer» E.