Quiznetik

Microprocessor and Assembly Language Programming | 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. In 8086 microprocessor , the address bus is ________ bit wide

Correct : D. 26 bit

10. The work of EU is ________

Correct : B. decoding

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

Correct : A. the condition of result of ALU operation

12. The CF is known as ________

Correct : A. carry flag

13. The SF is called as ________

Correct : B. sign flag

14. The OF is called as _______

Correct : A. overflow flag

15. The IF is called as _________

Correct : C. interrupt flag

16. The register AX is formed by grouping ________

Correct : A. AH & AL

17. The SP is indicated by ________

Correct : B. stack pointer

18. The BP is indicated by _______

Correct : A. base pointer

19. The SS is called as ________

Correct : B. stack segment

20. The index register are used to hold _______

Correct : A. memory register

21. The BIU contains FIFO register of size __________ bytes

Correct : B. 6

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

Correct : A. queue

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

Correct : B. 64 Kbyte

24. The DS is called as _______

Correct : A. data segment

25. The CS register stores instruction _____________ in code segment

Correct : C. codes

26. The IP is ________ bits in length

Correct : C. 16 bits

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

Correct : A. stack

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

Correct : B. DS

29. Inc destination increments the content of destination by _______

Correct : A. 1

30. IMUL source is a signed _________

Correct : A. multiplication

31. _________destination inverts each bit of destination

Correct : A. NOT

32. The JS is called as ______

Correct : A. jump the signed bit

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

Correct : B. far type

34. The conditional branch instruction specify ___________ for branching

Correct : A. conditions

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

Correct : B. conditional flag

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

Correct : C. ES

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

Correct : A. XLAT

38. The _______ contains an offset instead of actual address

Correct : B. IP

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

Correct : A. code segment

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

Correct : A. queue

41. The ___________ is required to synchronize the internal operands in the processor CIK Signal

Correct : A. UR Signal

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

Correct : B. 20 bit

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

Correct : C. 16 bit

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

Correct : A. A16-19

45. ________ is used to write into memory

Correct : B. WR

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

Correct : B. 8086

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

Correct : A. minimum

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

Correct : A. single

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

Correct : B. Maximum

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

Correct : B. encoded

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

Correct : C. external

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

Correct : B. return

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

Correct : A. memory interface

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

Correct : B. microprocessor

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

Correct : A. register

56. The Microprocessor places __________ address on the address bus

Correct : C. 16 bit

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

Correct : B. one

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

Correct : A. internal decoder

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

Correct : C. MCMR

60. 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

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

Correct : B. address

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

Correct : A. control

63. Memory is an integral part of a _______ system

Correct : B. microcomputer

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

Correct : A. memory

65. The memory chips such as 2732 EPROM and _________static R/W memory plays a major role in memory interfacing

Correct : B. 6116

66. An _________ is used to fetch one address

Correct : A. internal decoder

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

Correct : B. microprocessor

68. Designing logic circuits and writing instructions to enable the microprocessor to communicate with peripheral is called _________

Correct : A. interfacing

69. _______ means at the same time, the transmitter and receiver are synchronized with the same clock

Correct : C. synchronous

70. ________ means at irregular internals

Correct : A. asynchronous

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

Correct : B. handshaking

72. Bits in IRR interrupt are ______

Correct : B. set

73. _________ decides the request of interrupt to be serviced

Correct : A. priority resolver

74. __________ generate interrupt signal to microprocessor and receive acknowledge

Correct : B. control logic

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

Correct : A. A0

76. The _______ is used to connect more microproces

Correct : B. cascade

77. OCW1 is used to set and read _____

Correct : B. IMR

78. CS connect the output of ______

Correct : B. decoder

79. The 8259-A is a _________

Correct : A. piority Interrupt Controller

80. The 8259A is used to manage _______ hardware in the system

Correct : B. Multiple

81. ______ is used to transfer data between microprocessor and I/o process

Correct : A. 8255A

82. 8255A contains_________ ports each of 8 bit lines

Correct : D. 3

83. In 8255A the ____ is controlled by control registers

Correct : C. port C

84. The read and write operation is done using ______

Correct : A. Iow/Ior

85. _______ is used to transfer address connect to address block

Correct : B. address bus

86. _________ performs the address decode operation

Correct : A. chip select

87. In 8255A __________ is used for input operation

Correct : A. mode 0

88. In 8255A _________ is used for handshaking operation

Correct : B. mode1

89. In 8255 A ___________ is used to perform bidirectional operation

Correct : C. mode 2

90. Data transfer between the microprocessor for peripheral takes place through __________

Correct : A. i/o port

91. The device such as buffer and batches are used as ____________

Correct : C. i/o port

92. In 8255A, there are _________ I/o lines

Correct : A. 24

93. Port A and Port B are used individually as _______ I/o ports

Correct : A. 8

94. The 8255A is available with ________

Correct : B. 40

95. 8255A operates with ________ power supply

Correct : A. +5V

96. The pins are _______ data lines and are connected to data bus in system

Correct : B. bidirectional

97. ________ are transferred on the data lines between microprocessor and internal port or control register

Correct : A. data, control and status bites

98. There are ________ address bus in 8255A

Correct : A. 2

99. The address bus enables the ________ for data transfer.

Correct : A. control register

100. The _____ are connected to 2 address bus line in system

Correct : C. Pins