Top 150+ Solved Microprocessors and Microcontrollers MCQ Questions Answer

From 46 to 60 of 144

Q. In 8085

a. P flag is set when the result has even parity

b. P flag is set when the result has odd parity

c. P flag is reset when the result has odd parity

d. P flag is reset when the result has even parity

  • a. P flag is set when the result has even parity

Q. If the sign bit of mantissa is 0 and the exponent is increased from a positive to a more negativenumber the result is

a. a larger floating point number

b. a smaller floating point number

c. either (a) or (b) depending on the actual number

d. a negative floating point number

  • a. a larger floating point number

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

Q. In 8086 microprocessor , the address bus is bit wide

a. 12 bit

b. 10 bit

c. 16 bit

d. 20 bit

  • d. 20 bit

Q. The work of EU is

a. encoding

b. decoding

c. processing

d. calculations

  • b. decoding

Q. The 16 bit flag of 8086 microprocessor is responsible to indicate

a. the condition of result of ALU operation

b. the condition of memory

c. the result of addition

d. the result of subtraction

  • a. the condition of result of ALU operation

Q. The CF is known as

a. carry flag

b. condition flag

c. common flag

d. single flag

  • a. carry flag

Q. The SF is called as

a. service flag

b. sign flag

c. single flag

d. condition flag

  • b. sign flag
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