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Microprocessor: 8086/8088 Architecture
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Avg score: 27% • Most missed: “POP operation”
Microprocessor: 8086/8088 Architecture
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25 Questions

1. POP operation
2. If the interrupt is generated by the execution of an interrupt instruction then it is
3. When the CPU executes IRET,
4. The instruction that loads the flag register completely from the word contents of the memory location is
5. If the Default operation size bit, D=1, the code segment operation size selected is
6. The limit field of the descriptor is of
7. The instruction that adds immediate data/contents of the memory location specified in an instruction/register to the contents of another register/memory location is
8. The segment descriptor contains
9. The type of the interrupt may be passed to the interrupt structure of CPU from
10. In PUSH instruction, after each execution of the instruction, the stack pointer is
11. The instruction that loads the AH register with the lower byte of the flag register is
12. The instruction that supports addition when carry exists is
13. The instruction that pushes the contents of the specified register/memory location on to the stack is
14. At the end of ISR, the instruction should be
15. The instruction that is used to transfer the data from source operand to destination operand is
16. The instruction that loads effective address formed by destination operand into the specified source register is
17. Which of the following is not a type of segment descriptor?
18. The instruction that pushes the flag register on to the stack is
19. If the segment descriptor bit, S=0, then the descriptor is
20. The interrupt request that is independent of IF flag is
21. After every response to the single step interrupt the flag that is cleared is
22. The bit that indicates whether the segment is page addressable is
23. The TYPE field of a descriptor is used to find the
24. In the instruction, ASSUME CS : CODE, DS : DATA, SS : STACK the ASSUME directive directs to the assembler the
25. Which of the following is not a data copy/transfer instruction?

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