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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. | |