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Microprocessor: Intel 80386DX Processor
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Microprocessor: Intel 80386DX Processor
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25 Questions

1. Contents of an index register are multiplied by a scale factor that may be added further to get the operand offset in
2. The RF is not automatically reset after the execution of
3. The following statement of ALP is an example of MOV EBX, [EDX*4] [ECX].
4. The segment descriptor register is used to store
5. The signal that is used to insert WAIT states in a bus cycle in 80386 is
6. The register width used by the 32-bit addressing modes is
7. Which of the following is not a scale factor of addressing modes of 80386?
8. The unit that is responsible for carrying out all the floating point calculations, allotted to the coprocessor by 80386, is
9. The unit that decodes the opcode bytes, received from the 16-byte instruction code queue is
10. In the based scaled indexed mode with displacement mode, the contents of an index register are multiplied by a scale factor and are added to
11. The unit that is used for handling data, and calculates offset address is
12. During the instruction cycle of 80386, any debug fault can be ignored if
13. The segmentation unit allows
14. The paging unit works under the control of
15. The unit that interfaces the internal data bus with the system bus is
16. If the CKM pin of 80387 is high, then 80387 is operated in
17. The signal which indicates to the CPU, to fetch a data word for the coprocessor is
18. The unit that increases the speed of all shift and rotate operations is
19. In protected mode of 80386, the VM flag is set by using
20. The unit that has a prioritizer to resolve the priority of the various bus requests is
21. The unit that organizes the physical memory, in terms of pages of 4KB size each is
22. The number of pages that the paging unit allows, in the virtual mode of 80386 is
23. Bit field can be defined as a group of
24. The unit that is needed for virtual mode 80386, only to run the 8086 programs, which require more than 1 Mbyte of memory for memory management functions, is
25. The unit that provides a four level protection mechanism, for system's code and data against application program is

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