Microprocessor and Microcontroller MCQ Questions and Answers Quiz

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

  1. data
  2. address
  3. control bus
  4. both (a) and (b)

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

  1. control
  2. memory
  3. register
  4. system

63. Memory is an integral part of a _______ system

  1. supercomputer
  2. microcomputer
  3. mini computer
  4. mainframe computer

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

  1. memory
  2. register
  3. both (a) and (b)
  4. control

65. An _________ is used to fetch one address

  1. internal decoder
  2. external decoder
  3. encoder
  4. register

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

  1. multiprocessor
  2. microprocessor
  3. peripherals
  4. interfaces

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

  1. pipelining
  2. handshaking
  3. controlling
  4. signaling

68. Bits in IRR interrupt are ______

  1. reset
  2. set
  3. stop
  4. start

69. __________ generate interrupt signal to microprocessor and receive acknowledge

  1. priority resolver
  2. control logic
  3. interrupt request register
  4. interrupt register

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

  1. A0
  2. D7-D6
  3. A12
  4. AD7-AD6
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