Quiznetik

8086 Microprocessor | Set 2

1. The purpose of the microprocessor is to control

Correct : A. memory

2. The first digital electronic computer was built in the year

Correct : C. 1940

3. In 1960's texas institute invented

Correct : A. integrated circuits

4. The intel 8086 microprocessor is a processor

Correct : B. 16 bit

5. The microprocessor can read/write 16 bit data from or to

Correct : A. memory

6. In 8086 microprocessor , the address bus is bit wide

Correct : D. 20 bit

7. The work of EU is

Correct : B. decoding

8. The SF is called as

Correct : B. sign flag

9. The OF is called as

Correct : A. overflow flag

10. The IF is called as

Correct : C. interrupt flag

11. The register AX is formed by grouping

Correct : A. ah & al

12. The SP is indicated by

Correct : B. stack pointer

13. The BP is indicated by

Correct : A. base pointer

14. The SS is called as

Correct : B. stack segment

15. The index register are used to hold

Correct : A. memory register

16. The BIU contains FIFO register of size bytes

Correct : B. 6

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

Correct : A. queue

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

Correct : B. 64 kbyte

19. The DS is called as

Correct : A. data segment

20. The CS register stores instruction in code segment

Correct : C. codes

21. The IP is bits in length

Correct : C. 16 bits

22. The push source copies a word from source to

Correct : A. stack

23. LDs copies to consecutive words from memory to register and

Correct : B. ds

24. IMUL source is a signed

Correct : A. multiplication

25. destination inverts each bit of destination

Correct : A. not

26. Instruction providing both segment base and offset address are called

Correct : B. far type

27. The conditional branch instruction specify for branching

Correct : A. conditions

28. The microprocessor determines whether the specified condition exists or not by testing the

Correct : B. conditional flag

29. The LES copies to words from memory to register and

Correct : C. es

30. The translates a byte from one code to another code

Correct : A. xlat

31. The contains an offset instead of actual address

Correct : B. ip

32. The 8086 fetches instruction one after another from of memory

Correct : A. code segment

33. The BIU contains FIFO register of size 6 bytes called .

Correct : A. queue

34. The is required to synchronize the internal operands in the processor CLK Signal

Correct : A. ur signal

35. The pin of minimum mode AD0-AD15 has address

Correct : B. 20 bit

36. The pin of minimum mode AD0- AD15 has _ data bus

Correct : C. 16 bit

37. is used to write into memory

Correct : B. wr

38. The RD, WR, M/IO is the heart of control for a mode

Correct : A. minimum

39. In a minimum mode there is a on the system bus

Correct : A. single

40. If MN/MX is low the 8086 operates in mode

Correct : B. maximum

41. In max mode, control bus signal So,S1 and S2 are sent out in form

Correct : B. encoded

42. The bus controller device decodes the signals to produce the control bus signal

Correct : C. external

43. A Instruction at the end of interrupt service program takes the execution back to the interrupted program

Correct : B. return

44. Primary function of memory interfacing is that the should be able to read from and write into register

Correct : B. microprocessor

45. To perform any operations, the Mp should identify the

Correct : A. register

46. The Microprocessor places address on the address bus

Correct : C. 16 bit

47. The Microprocessor places 16 bit address on the add lines from that address by register should be selected

Correct : B. one

48. The of the memory chip will identify and select the register for the EPROM

Correct : A. internal decoder

49. Microprocessor provides signal like to indicate the read operatio

Correct : C. mcmr

50. To interface memory with the microprocessor, connect register the lines of the address bus must be added to address lines of the chip.

Correct : B. memory

51. The remaining address line of bus is decoded to generate chip select signal

Correct : B. address

52. signal is generated by combining RD and WR signals with IO/M

Correct : A. control

53. has certain signal requirements write into and read from its registers

Correct : A. memory

54. An is used to fetch one address

Correct : A. internal decoder

55. The primary function of the is to accept data from I/P devices

Correct : B. microprocessor

56. signal prevent the microprocessor from reading the same data more than one

Correct : B. handshaking

57. Bits in IRR interrupt are

Correct : B. set

58. The pin is used to select direct command word

Correct : A. a0

59. CS connect the output of

Correct : B. decoder

60. 8086 and 8088 contains transistors

Correct : A. 29000

61. In 8086, Example for Non maskable interrupts are .

Correct : A. trap

62. Access time is faster for .

Correct : B. sram

63. The First Microprocessor was .

Correct : A. intel 4004

64. Status register is also called as .

Correct : D. flags