Top 350+ Solved Digital Electronics and Logic Design MCQ Questions Answer
Q. In the binary number ' 10011 ' the weight of the most significant digit is
a. 2^4(2 raise to power 4)
b. 2^3 (2raise to power 3)
c. 2^0 (2raise to power 0)
d. 2^1 (2raise to power 1)
Q. The output of the expression F=A+B+C will be Logic when A=0, B=1, C=1. the symbol ' + ' here represents OR Gate.
a. undefined
b. one
c. zero
d. 10(binary)
Q. A NAND gate's output is LOW if
a. all inputs are low
b. all inputs are high
c. any input is low
d. any input is high
Q. NOR gate is formed by connecting
a. or gate and then not gate
b. not gate and then or gate
c. and gate and then or gate
d. or gate and then and gate
Q. The Extended ASCII Code (American Standard Code for Information Interchange) is a code
a. 2-bit
b. 7-bit
c. 8-bit
d. 16-bit
Q. The output of an AND gate is one when
a. all of the inputs are one
b. any of the input is one
c. any of the input is zero
d. all the inputs arezero
Q. A NOR's gate output is HIGH if
a. all inputs are high
b. any input is high
c. any input is low
d. all inputs arelow
Q. A logic circuit with an output X = A(Bar)BC+AB(Bar) consists of .
a. two and gates, two orgates, two inverters
b. three and gates, two or gates, one inverter
c. two and gates, oneor gate, two inverters
d. two andgates, one or gate