Microprocessor and Microcontroller Multiple Choice Questions and Answers for Practice

16. The register AX is formed by grouping ________

1. AH & AL
2. BH & BL
3. CH & CL
4. DH & DL

17. The SP is indicated by ________

1. single pointer
2. stack pointer
3. source pointer
4. destination pointer

18. The BP is indicated by ___

1. base pointer
2. binary pointer
3. bit pointer
4. digital pointer

19. The SS is called as _______

1. single stack
2. stack segment
3. sequence stack
4. random stack

20. The index register are used to hold _______

1. memory register
2. offset address
3. segment memory
4. offset memory

21. The BIU contains FIFO register of size __________ bytes

1. 8
2. 6
3. 4
4. 12

22. The BIU prefetches the instruction from memory and store them in ________

1. queue
2. register
3. memory
4. stack

23. The 1 MB byte of memory can be divided into ______ segment

1. 1 Kbyte
2. 32 Kbyte
3. 64 Kbyte
4. 16 Kbyte

24. The DS is called as _______

1. data segment
2. digital segment
3. divide segment
4. decode segment

25. The CS register stores instruction _____________ in code segment

1. stream
2. path
3. codes
4. stream line

26. The IP is ________ bits in length

1. 8 bits
2. 4 bits
3. 16 bits
4. 32 bits

27. The push source copies a word from source to ______

1. stack
2. memory
3. register
4. destination

28. LDs copies to consecutive words from memory to register and ___________

1. ES
2. DS
3. SS
4. CS

29. INC destination increments the content of destination by _______

1. 1
2. 2
3. 30
4. 41

30. IMUL source is a signed _________

1. multiplication
2. addition
3. subtraction
4. division