McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Science in Computer Science FY (BSc CS) , Bachelor of Science in Information Technology FY (BSc IT) , Bachelor of Computer Applications (BCA) , Bachelor of Science in Information Technology (BSc IT) , Bachelor of Science in Computer Science (BSc CS) .
1. |
Which is the microprocessor comprises: |
A. | register section |
B. | one or more alu |
C. | control unit |
D. | all of these |
Answer» D. all of these |
2. |
What is the store by register? |
A. | data |
B. | operands |
C. | memory |
D. | none of these |
Answer» A. data |
3. |
Accumulator based microprocessor example are: |
A. | intel 8085 |
B. | motorola 6809 |
C. | a and b |
D. | none of these |
Answer» C. a and b |
4. |
A set of register which contain are: |
A. | data |
B. | memory addresses |
C. | result |
D. | all of these |
Answer» D. all of these |
5. |
There are primarily two types of register: |
A. | general purpose register |
B. | dedicated register |
C. | a and b |
D. | none of these |
Answer» C. a and b |
6. |
Name of typical dedicated register is: |
A. | pc |
B. | ir |
C. | sp |
D. | all of these |
Answer» D. all of these |
7. |
Which is used to store critical pieces of data during subroutines and interrupts: |
A. | stack |
B. | queue |
C. | accumulator |
D. | data register |
Answer» A. stack |
8. |
The data in the stack is called: |
A. | pushing data |
B. | pushed |
C. | pulling |
D. | none of these |
Answer» A. pushing data |
9. |
The external system bus architecture is created using from ______ architecture: |
A. | pascal |
B. | dennis ritchie |
C. | charles babbage |
D. | von neumann |
Answer» D. von neumann |
10. |
The processor 80386/80486 and the Pentium processor uses _____ bits address bus: |
A. | 16 |
B. | 32 |
C. | 36 |
D. | 64 |
Answer» B. 32 |
11. |
Which is not the control bus signal: |
A. | read |
B. | write |
C. | reset |
D. | none of these |
Answer» C. reset |
12. |
EPROM stands for: |
A. | erasable programmable read-only memory |
B. | ectrically programmable read write memory |
C. | electrically programmable read-only memory |
D. | none of these |
Answer» A. erasable programmable read-only memory |
13. |
Each memory location has: |
A. | address |
B. | contents |
C. | both a and b |
D. | none of these |
Answer» C. both a and b |
14. |
Which is the type of microcomputer memory: |
A. | processor memory |
B. | primary memory |
C. | secondary memory |
D. | all of these |
Answer» D. all of these |
15. |
Secondary memory can store____: |
A. | program store code |
B. | compiler |
C. | operating system |
D. | all of these |
Answer» D. all of these |
16. |
Secondary memory is also called____: |
A. | auxiliary |
B. | backup store |
C. | both a and b |
D. | none of these |
Answer» C. both a and b |
17. |
The RAM which is created using bipolar transistors is called: |
A. | dynamic ram |
B. | static ram |
C. | permanent ram |
D. | ddr ram |
Answer» B. static ram |
18. |
Which type of RAM needs regular referred: |
A. | dynamic ram |
B. | static ram |
C. | permanent ram |
D. | sd ram |
Answer» A. dynamic ram |
19. |
Which RAM is created using MOS transistors: |
A. | dynamic ram |
B. | static ram |
C. | permanent ram |
D. | sd ram |
Answer» A. dynamic ram |
20. |
The CPU sends out a ____ signal to indicate that valid data is available on the data bus: |
A. | read |
B. | write |
C. | both a and b |
D. | none of these |
Answer» B. write |
21. |
The CPU removes the ___ signal to complete the memory write operation: |
A. | read |
B. | write |
C. | both a and b |
D. | none of these |
Answer» A. read |
22. |
BIU STAND FOR: |
A. | bus interface unit |
B. | bess interface unit |
C. | a and b |
D. | none of these |
Answer» A. bus interface unit |
23. |
EU STAND FOR: |
A. | execution unit |
B. | execute unit |
C. | exchange unit |
D. | none of these |
Answer» A. execution unit |
24. |
Eight of the register are known as: |
A. | general- purpose register |
B. | pointer or index registers |
C. | segment registers |
D. | other register |
Answer» A. general- purpose register |
25. |
IP Stand for: |
A. | instruction pointer |
B. | instruction purpose |
C. | instruction paints |
D. | none of these |
Answer» A. instruction pointer |
26. |
CS Stand for: |
A. | code segment |
B. | coot segment |
C. | cost segment |
D. | counter segment |
Answer» A. code segment |
27. |
DS Stand for: |
A. | data segment |
B. | direct segment |
C. | declare segment |
D. | divide segment |
Answer» A. data segment |
28. |
The acculatator is 16 bit wide and is called: |
A. | ax |
B. | ah |
C. | al |
D. | dl |
Answer» A. ax |
29. |
How many bits the instruction pointer is wide: |
A. | 16 bit |
B. | 32 bit |
C. | 64 bit |
D. | 128 bit |
Answer» A. 16 bit |
30. |
How many type of addressing in memory: |
A. | logical address |
B. | physical address |
C. | both a and b |
D. | none of these |
Answer» C. both a and b |
31. |
The size of each segment in 8086 is: |
A. | 64 kb |
B. | 24 kb |
C. | 50 kb |
D. | 16kb |
Answer» A. 64 kb |
32. |
The pin configuration of 8086 is available in the________: |
A. | 40 pin |
B. | 50 pin |
C. | 30 pin |
D. | 20 pin |
Answer» A. 40 pin |
33. |
DIP stand for: |
A. | deal inline package |
B. | dual inline package |
C. | direct inline package |
D. | digital inline package |
Answer» B. dual inline package |
34. |
EA stand for: |
A. | effective address |
B. | electrical address |
C. | effect address |
D. | none of these |
Answer» A. effective address |
35. |
BP stand for: |
A. | bit pointer |
B. | base pointer |
C. | bus pointer |
D. | byte pointer |
Answer» B. base pointer |
36. |
DI stand for: |
A. | destination index |
B. | defect index |
C. | definition index |
D. | delete index |
Answer» A. destination index |
37. |
SI stand for: |
A. | stand index |
B. | source index |
C. | segment index |
D. | simple index |
Answer» B. source index |
38. |
ALE stand for: |
A. | address latch enable |
B. | address light enable |
C. | address lower enable |
D. | address last enable |
Answer» A. address latch enable |
39. |
NMI stand for: |
A. | non mask able interrupt |
B. | non mistake interrupt |
C. | both |
D. | none of these |
Answer» A. non mask able interrupt |
40. |
The offset of a particular segment varies from _________: |
A. | 000h to fffh |
B. | 0000h to ffffh |
C. | 00h to ffh |
D. | 00000h to fffffh |
Answer» B. 0000h to ffffh |
41. |
Which are the factor of cache memory: |
A. | architecture of the microprocessor |
B. | properties of the programs being executed |
C. | size organization of the cache |
D. | all of these |
Answer» D. all of these |
42. |
________ is usually the first level of memory access by the microprocessor: |
A. | cache memory |
B. | data memory |
C. | main memory |
D. | all of these |
Answer» A. cache memory |
43. |
Microprocessor reference that are not available in the cache are called_________: |
A. | cache hits |
B. | cache line |
C. | cache misses |
D. | cache memory |
Answer» C. cache misses |
44. |
Which causes the microprocessor to immediately terminate its present activity: |
A. | reset signal |
B. | interupt signal |
C. | both |
D. | none of these |
Answer» A. reset signal |
45. |
Which is responsible for all the outside world communication by the microprocessor: |
A. | biu |
B. | piu |
C. | tiu |
D. | liu |
Answer» A. biu |
46. |
INTR: it implies the__________ signal: |
A. | intrrupt request |
B. | intrrupt right |
C. | intrrupt rongh |
D. | intrrupt reset |
Answer» A. intrrupt request |
47. |
Which of the following are the two main components of the CPU? |
A. | control unit and registers |
B. | registers and main memory |
C. | control unit and alu |
D. | alu and bus |
Answer» C. control unit and alu |
48. |
The language that the computer can understand and execute is called |
A. | machine language |
B. | application software |
C. | system program |
D. | all of the above |
Answer» A. machine language |
49. |
Which of the following is used as a primary storage device? |
A. | magnetic drum |
B. | prom |
C. | floppy disk |
D. | all of these |
Answer» B. prom |
50. |
The memory which is programmed at the time it is manufactured |
A. | prom |
B. | ram |
C. | prom |
D. | eprom |
Answer» A. prom |
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