Quiznetik

8086 Microprocessor | Set 1

1. A microprocessor is a _______ chip integrating all the functions of a CPU of a computer.

Correct : B. single

2. Microprocessor is a/an _______ circuit that functions as the CPU of the compute

Correct : A. electronic

3. Microprocessor is the ______ of the computer and it perform all the computational tasks

Correct : B. heart

4. The purpose of the microprocessor is to control ______

Correct : A. memory

5. The first digital electronic computer was built in the year________

Correct : C. 1940

6. In 1960's texas institute invented ______

Correct : A. integrated circuits

7. The intel 8086 microprocessor is a _______ processor

Correct : B. 16 bit

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

Correct : A. memory

9. The work of EU is ________

Correct : B. decoding

10. The 16 bit flag of 8086 microprocessor is responsible to indicate ___________

Correct : A. the condition of result of alu operation

11. The CF is known as ________

Correct : A. carry flag

12. The SF is called as ________

Correct : B. sign flag

13. The OF is called as _______

Correct : A. overflow flag

14. The IF is called as _________

Correct : C. interrupt flag

15. The register AX is formed by grouping ________

Correct : A. ah & al

16. The SP is indicated by ________

Correct : B. stack pointer

17. The BP is indicated by _______

Correct : A. base pointer

18. The SS is called as ________

Correct : B. stack segment

19. The index register are used to hold _______

Correct : B. offset address

20. The BIU contains FIFO register of size __________ bytes

Correct : B. 6

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

Correct : A. queue

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

Correct : B. 64 kbyte

23. The DS is called as _______

Correct : A. data segment

24. The CS register stores instruction _____________ in code segment

Correct : C. codes

25. The IP is ________ bits in length

Correct : C. 16 bits

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

Correct : A. stack

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

Correct : B. ds

28. INC destination increments the content of destination by _______

Correct : A. 1

29. IMUL source is a signed _________

Correct : A. multiplication

30. _________destination inverts each bit of destination

Correct : A. not

31. The JS is called as ______

Correct : A. jump the signed bit

32. Instruction providing both segment base and offset address are called _____

Correct : B. far type

33. The conditional branch instruction specify ___________ for branching

Correct : A. conditions

34. The LES copies to words from memory to register and __________

Correct : C. es

35. The _________ translates a byte from one code to another code

Correct : A. xlat

36. The _______ contains an offset instead of actual address

Correct : B. ip

37. The 8086 fetches instruction one after another from __________ of memory

Correct : A. code segment

38. The BIU contains FIFO register of size 6 bytes called _____.

Correct : A. queue

39. Signal

Correct : A. ur signal

40. The pin of minimum mode AD0-AD15 has ____________ address

Correct : B. 20 bit

41. The pin of minimum mode AD0- AD15 has _________ data bus

Correct : C. 16 bit

42. The address bits are sent out on lines through __________

Correct : A. a16-19

43. ________ is used to write into memory

Correct : B. wr

44. The functions of Pins from 24 to 31 depend on the mode in which _______ is operating

Correct : B. 8086

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

Correct : A. minimum

46. In a minimum mode there is a ___________ on the system bus

Correct : A. single

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

Correct : B. maximum

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

Correct : B. encoded

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

Correct : C. external

50. interrupted program

Correct : B. return

51. The main concerns of the ___________ are to define a flexible set of commands

Correct : A. memory interface

52. and write into register

Correct : B. microprocessor

53. To perform any operations, the Mp should identify the __________

Correct : A. register

54. The Microprocessor places __________ address on the address bus

Correct : C. 16 bit

55. register should be selected

Correct : B. one

56. The ________of the memory chip will identify and select the register for the EPROM

Correct : A. internal decoder

57. Microprocessor provides signal like ____ to indicate the read operatio

Correct : C. mcmr

58. must be added to address lines of the _______ chip.

Correct : B. memory

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

Correct : B. address

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

Correct : A. control

61. Memory is an integral part of a _______ system

Correct : B. microcomputer

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

Correct : A. memory

63. An _________ is used to fetch one address

Correct : A. internal decoder

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

Correct : B. microprocessor

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

Correct : B. handshaking

66. Bits in IRR interrupt are ______

Correct : B. set

67. __________ generate interrupt signal to microprocessor and receive acknowledge

Correct : B. control logic

68. The _______ pin is used to select direct command word

Correct : A. a0

69. The _______ is used to connect more microprocessor

Correct : B. cascade

70. CS connect the output of ______

Correct : B. decoder

71. In which year, 8086 was introduced?

Correct : A. 1978

72. Expansion for HMOS technology_______

Correct : D. high performance metal oxide semiconductor

73. 8086 and 8088 contains _______ transistors

Correct : A. 29000

74. ALE stands for ___________

Correct : A. address latch enable

75. What is DEN?

Correct : C. data enable

76. In 8086, Example for Non maskable interrupts are ________.

Correct : A. trap

77. In 8086 the overflow flag is set when _____________.

Correct : B. signed numbers go out of their range after an arithmetic operation.

78. In 8086 microprocessor the following has the highest priority among all type interrupts?

Correct : A. nmi

79. In 8086 microprocessor one of the following statements is not true?

Correct : B. coprocessor is interfaced in min mode.

80. Address line for TRAP is?

Correct : B. 0024h

81. Access time is faster for _________.

Correct : B. sram

82. The First Microprocessor was__________.

Correct : A. intel 4004

83. Status register is also called as ___________.

Correct : D. flags

84. Which of the following is not a basic element within the microprocessor?

Correct : A. microcontroller

85. Which method bypasses the CPU for certain types of data transfer?

Correct : D. direct memory access (dma)

86. The first microprocessor had a(n)________.

Correct : C. 4 – bit data bus

87. Which microprocessor has multiplexed data and address lines?

Correct : A. 8086

88. Which is not an operand?

Correct : D. assembler

89. A 20-bit address bus can locate ________.

Correct : A. 1,048,576 locations

90. Which of the following is not an arithmetic instruction?

Correct : D. rol (rotate left)

91. During a read operation the CPU fetches ________.

Correct : D. all of the above

92. Which of the following is not an 8086/8088 general-purpose register?

Correct : D. address segment (as)

93. A 20-bit address bus allows access to a memory of capacity

Correct : A. 1 mb

94. Which microprocessor accepts the program written for 8086 without any changes?

Correct : D. 8088

95. Which group of instructions do not affect the flags?

Correct : C. data transfer operations

96. The result of MOV AL, 65 is to store

Correct : D. store 0100 0001 in al

97. Which is not part of the execution unit (EU)?

Correct : B. clock

98. A microprocessor is a chip integrating all the functions of a CPU of a computer.

Correct : B. single

99. Microprocessor is a/an circuit that functions as the CPU of the compute

Correct : A. electronic

100. Microprocessor is the of the computer and it perform all the computational tasks

Correct : B. heart