Microprocessor and Microcontroller MCQ Questions and Answers Quiz

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

  1. UR Signal
  2. Vcc
  3. AIE
  4. Ground

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

  1. 16 bit
  2. 20 bit
  3. 32 bit
  4. 4 bit

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

  1. 4 bit
  2. 20 bit
  3. 16 bit
  4. 32 bit

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

  1. A16-19
  2. A0-17
  3. D0-D17
  4. C0-C17

45. ________ is used to write into memory

  1. RD
  2. WR
  3. RD / WR
  4. CLK

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

  1. 8085
  2. 8086
  3. 80835
  4. 80845

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

  1. minimum
  2. maximum
  3. compatibility mode
  4. control mode

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

  1. single
  2. double
  3. multiple
  4. triple

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

  1. Minimum
  2. Maximum
  3. both (A) and (B)
  4. medium

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

  1. decoded
  2. encoded
  3. shared
  4. unshared
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