Central Processing Unit CPU Multiple Choice Questions and Answers for Practice

16. If programs execution always stops after interrupt, it is a

1. Resuming event
2. Terminating event
3. Relocation
4. Instruction issue

17. Immediate addressing mode is used for

1. Initialization of variables
2. for global variables
3. addressing local variables of functions
4. Accessing variables such as arrays

18. Indexed addressing mode is used for

1. Initialization of variables
2. for global variables
3. addressing local variables of functions
4. Accessing variables such as arrays

19. Load B is an example of.............instruction

1. stack based
2. accumulator based
3. one address
4. both b & c

20. Logical data is

1. A bit of n-bit data
2. each bit of n-bit data
3. n-bit data word
4. n-bit data byte

21. MOV R0, #330 is an example of...............addressing mode

1. Immediate
2. Direct
3. Register
4. none of these

22. MOV R0, x is an example of............addressing mode

1. Direct
2. Register
3. both a & b
4. none of these

23. One address instructions uses

1. stack
2. queue
3. Accumulator
4. none of these

24. Oparand data type can be

1. Address
2. number
3. character
4. all of these

25. Oparand data type can be

1. Address
2. number
3. Logical data
4. all of these

26. Operation code field is present in

1. Programming language instruction
2. assembly language instruction
3. machine language instruction
4. none of the mentioned

27. Out of the following which is not a CISC machine.

1. IBM 370/168
2. VAX 11/780
3. Intel 80486
4. Motorola A567

28. Processor without structural hazard is

1. Faster
2. Slower
3. Have longer clock cycle
4. Have larger clock rate

29. R<- x means

1. x is transfer to R
2. Contents of memory location x transfer to regiser R
3. can be a or b
4. none of these

30. R1<-R1+R2 is which type of instruction?

1. Data transfer
2. Arithematic & Logical
3. Miscellaneous
4. all of these