Computer Hardware MCQs

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1. CS abbreviation stands for:



2. The accumulator is 16-bit wide and is called:



3. Select the number of bits the instruction pointer is wide:



4. Select the type of addressing in memory:



5. The address of a memory is a 20-bit address for the 8086 microprocessor:



6. EA abbreviation of:



7. BP abbreviation of:



8. DS abbreviation of:



9. Select the following which is a segment:
(E) All of these



10. DI abbreviation of:



11. The architecture used by the external system bus is:



12. Which is not a control bus signal:



13. PROM abbreviation:



14. EPROM abbreviation:



15. Select the type of microcomputer memory:



16. Secondary memory is used to store:



17. Second name of Secondary memory:



18. Customized ROMs are known as:



19. The RAM designed through bipolar transistors is known as:



20. Each memory location contains:



21. Select the type of RAM that needs regular refreshing:



22. The RAM which is created using MOS transistors:



23. A microprocessor repeats instructions from:



24. The lower red curvy arrow shows that the CPU places the address extracted from the memory location on the:



25. The CPU conveys out a ___ signal to specify that correct data is available on the data bus:



26. The CPU separates the ___ signal to complete the memory write operation:



27. BIU abbreviation stands for:



28. EU abbreviation of:



29. Which is used to store an important part of data during subroutines and interrupts:



30. When the data in the stack is stored, it is called:



31. Select the main parts of the CPU:



32. Select the four categories of registers:
(E) All of these



33. Eight of the registers are called:



34. The four index registers can be used for:



35. IP abbreviation of:



36. SI abbreviation of:



37. ALE abbreviation of:



38. NMI abbreviation of:



39. Segment containing actual assembly language instructions executed by the microprocessor:



40. The balance of a particular segment ranges from:



41. The pin layout of 8086 is available in:



42. DIP abbreviation of:



43. Factors of cache memory:



44. First-level memory accessed by microprocessor:



45. Small amount of high-speed memory used directly by the microprocessor:



46. Cache usually gets its data from:



47. Microprocessor backing that is available in the cache is called:



48. Microprocessor reference not available in cache is called:



49. Which reason makes the microprocessor instantly stop its current activity:



50. Factor responsible for outside world communication by the microprocessor:



51. INTR infers the ______ signal:



52. Which is contained in the microprocessor:



53. The register is used to store:



54. Example of accumulator-based microprocessor:



55. A set of registers accommodates:



56. First two types of registers:



57. Typically dedicated registers:



58. BCD abbreviation:



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