Digital Electronics Objective Questions – Set 8

What is the minimum number of NAND gates required to realize an X-OR gate?

Which of the following is a self-complementing code?

A combinational circuit can be designed using only

What is the logic which controls a stair case light associated with two switches A and B located at the bottom and top of the stair case respectively

An OR gate can be imagined as

An AND gate can be imagined as

NOT gates are to be added to the inputs of which gate to convert it to a NOR gate?

Which of the following is known as a mod-2 adder?

The logic expression AB can be implemented by giving the inputs A and B to a two-input

The logic expression A + B can be implemented by giving inputs A and B to a two-input

What logic function is produced by adding inverters to the inputs of an OR gate?

Which of the following gates is known as a coincidence detector?

What is the minimum number of two-input NAND gates used to perform the function of 2-input OR gate?

The NOR gate can function as a NOT gate if

What logic function is produced by adding an inverter to each input and output of an AND gate

NOT gates are to be added to the inputs of which gate to convert it to a NAND gate?

The number of parity bits in a 12-bit Hamming code is

The output of a NOR gate is high

What logic function is produced by adding an inverter to each input and output of an OR gate?

An X-OR gate gives a high output

What is the minimum number of NOR gates required realizing an X-OR gating?

The output of a NAND gate is low

How many NOR gates are required to obtain AND operation?

An exclusive NOR gate is logically equivalent to

In which of the following codes do the successive characters differ in only 1-bit position?

In which code do the successive code characters differ in only one position?

What logic function is produced by adding inverters to the inputs of an AND gate

The NAND gate can function as a NOT gate if

The X-OR and X-NOR gates can have how many inputs?

Which of the following gates is known as anticoincidence detector?