Top 150+ Solved 8086 Microprocessor MCQ Questions Answer

From 91 to 105 of 164

Q. During a read operation the CPU fetches ________.

a. a program instruction

b. another address

c. data itself

d. all of the above

  • d. all of the above

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

a. code segment (cs)

b. data segment (ds)

c. stack segment (ss)

d. address segment (as)

  • d. address segment (as)

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

a. 1 mb

b. 2 mb

c. 4 mb

d. 8 mb

  • a. 1 mb

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

a. arithmetic operations

b. logic operations

c. data transfer operations

d. branch operations

  • c. data transfer operations

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

a. store 0100 0010 in al

b. store 42h in al

c. store 40h in al

d. store 0100 0001 in al

  • d. store 0100 0001 in al

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

a. arithmetic logic unit (alu)

b. clock

c. general registers

d. flags

  • b. clock

Q. A microprocessor is a chip integrating all the functions of a CPU of a computer.

a. multiple

b. single

c. double

d. triple

  • b. single

Q. Microprocessor is a/an circuit that functions as the CPU of the compute

a. electronic

b. mechanic

c. integrating

d. processing

  • a. electronic

Q. Microprocessor is the of the computer and it perform all the computational tasks

a. main

b. heart

c. important

d. simple

  • b. heart

Q. The purpose of the microprocessor is to control

a. memory

b. switches

c. processing

d. tasks

  • a. memory

Q. The first digital electronic computer was built in the year

a. 1950

b. 1960

c. 1940

d. 1930

  • c. 1940

Q. In 1960's texas institute invented

a. integrated circuits

b. microprocessor

c. vacuum tubes

d. transistors

  • a. integrated circuits

Q. The intel 8086 microprocessor is a processor

a. 8 bit

b. 16 bit

c. 32 bit

d. 4 bit

  • b. 16 bit

Q. The microprocessor can read/write 16 bit data from or to

a. memory

b. i /o device

c. processor

d. register

  • a. memory
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