Top 150+ Solved 8086 Microprocessor MCQ Questions Answer

From 61 to 75 of 164

Q. Memory is an integral part of a _______ system

a. supercomputer

b. microcomputer

c. mini computer

d. mainframe computer

  • b. microcomputer

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

a. memory

b. register

c. both (a) and (b)

d. control

  • a. memory

Q. An _________ is used to fetch one address

a. internal decoder

b. external decoder

c. encoder

d. register

  • a. internal decoder

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

a. multiprocessor

b. microprocessor

c. peripherals

d. interfaces

  • b. microprocessor

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

a. pipelining

b. handshaking

c. controlling

d. signaling

  • b. handshaking

Q. Bits in IRR interrupt are ______

a. reset

b. set

c. stop

d. start

  • b. set

Q. __________ generate interrupt signal to microprocessor and receive acknowledge

a. priority resolver

b. control logic

c. interrupt request register

d. interrupt register

  • b. control logic

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

a. a0

b. d7-d6

c. a12

d. ad7-ad6

  • a. a0

Q. The _______ is used to connect more microprocessor

a. peripheral device

b. cascade

c. i/o devices

d. control unit

  • b. cascade

Q. CS connect the output of ______

a. encoder

b. decoder

c. slave program

d. buffer

  • b. decoder

Q. In which year, 8086 was introduced?

a. 1978

b. 1979

c. 1977

d. 1981

  • a. 1978

Q. Expansion for HMOS technology_______

a. high level mode oxygen semiconductor

b. high level metal oxygen semiconductor

c. high performance medium oxide semiconductor

d. high performance metal oxide semiconductor

  • d. high performance metal oxide semiconductor

Q. 8086 and 8088 contains _______ transistors

a. 29000

b. 24000

c. 34000

d. 54000

  • a. 29000

Q. ALE stands for ___________

a. address latch enable

b. address level enable

c. address leak enable

d. address leak extension

  • a. address latch enable

Q. What is DEN?

a. direct enable

b. data entered

c. data enable

d. data encoding

  • c. data enable
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