TESTING

Write the expression of AND gate with inputs X & Y and output F.

A logic circuit whose outputs at any time depends only on the present combination of inputs is known as ______.

•  Combinational logic circuit

•  Sequential logic circuit

•  Electric circuit

•  Parallel circuit

Choose odd one out from the following.

• Adder

• Multiplexer

• Encoder

• Flipflop

Which binary code is known as unit distance code?

• Excess 3 code

• Gray code

• Hamming code

• FlipflopAlphanumeric code

Which logic gate is used in a binary to gray code converter?

• AND

• XNOR

• XOR

• OR

Identify the logic gate shown in image

• AND

• XNOR

• XOR

• OR

How many 2 input XOR gates are required to convert a 4 bit binary code into a gray code?

• 3

• 4

• 5

• 8

What is the output of XOR gate if the input contains odd number of ones?

• 1

• 0

• Sum of all ones

• Don't care

A combinational circuit that adds only two bits at a time is _____.

• Half adder

• Full adder

• Half subtractor

• Full subtractor

A combinational circuit that adds three bits at a time is _____.

• Half adder

• Full adder

• Half subtractor

• Full subtractor