Microprocessor and Microcontroller Multiple Choice Questions and Answers

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

1. queue
2. stack
3. segment
4. register

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

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

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

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

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

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

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

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

46. ________ is used to write into memory

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

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

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

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

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

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

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

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

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