DDCO2024

Which number system is most commonly used in digital design?

• Decimal

• Binary

• Octal

• Hexadecimal

What is the primary function of a multiplexer in digital circuits?

• Amplify signals

• Combine multiple inputs into one output

• Store data

• Perform arithmetic operations

Which logic gate outputs 1 only when all its inputs are 1?

• NOR

• AND

• XOR

• NAND

What is the 2's complement of the binary number 1011?

• 0100

• 1101

• 0010

• 0110

What is the purpose of a clock signal in digital circuits?

• To amplify the data

• To control the timing of operations

• To store data

• To convert analog signals

In Boolean algebra, the expression A+A′A + A'A+A′ is equal to:

• 0

• 1

• A

• A'

What does a flip-flop do in a digital circuit?

• Amplifies signals

• Stores a single bit of data

• Converts analog to digital signals

• Performs logical operations

Which of the following is a sequential circuit?

• Half Adder

• Decoder

• Register

• Multiplexer

Karnaugh Map is used for:

• Designing sequential circuits

• Simplifying Boolean expressions

• Performing arithmetic operations

• Generating clock pulses

Simplified value for the Boolean expression A(A+B)

• 1

• 0

• A

• B