Microprocessor and Microcontroller MCQs Quiz Multiple Choice Questions & Answers Page 2

Microprocessor and Microcontroller MCQs questions answers

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Microprocessor and Microcontroller Questions with Answers

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

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

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

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

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

56. The Microprocessor places __________ address on the address bus

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

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

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

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

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

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

63. Memory is an integral part of a _______ system

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

65. An _________ is used to fetch one address

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

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

68. Bits in IRR interrupt are ______

69. __________ generate interrupt signal to microprocessor and receive acknowledge

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

71. The _______ is used to connect more microprocessor

72. CS connect the output of ______

73. In which year, 8086 was introduced?

74. Expansion for HMOS technology_______

75. 8086 and 8088 contains _______ transistors

76. ALE stands for ___________

77. What is DEN?

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

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

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

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

82. Address line for TRAP is?

83. Access time is faster for _________.

84. The First Microprocessor was__________.

85. Status register is also called as ___________.

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

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

88. Which bus is bidirectional?

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

90. Which microprocessor has multiplexed data and address lines?

91. Which is not an operand?

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

93. A 20-bit address bus can locate ________

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

95. During a read operation the CPU fetches ________

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

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

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

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

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


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