Combinational Circuits Quiz

What is the primary function of a Half Adder?

• To add two binary digits

• To subtract two binary digits

• To compare two binary digits

• To convert binary to decimal

Which circuit is used to perform subtraction in binary?

• Half Subtractor

• Parallel Adder

• Full Adder

• Magnitude Comparator

What type of adder is a BCD Adder?

• Full Adder

• Half Adder

• Decimal Adder

• Binary Adder

What is the purpose of a Carry Look Ahead Adder?

• To speed up addition

• To perform subtraction

• To compare magnitudes

• To encode data

What does a Priority Encoder do?

• Encodes binary data

• Decodes binary data

• Compares binary values

• Prioritizes input signals

How many inputs does a 4 to 2 Encoder have?

• 4

• 2

• 16

• 8

What is the output of a 1-Bit Magnitude Comparator when inputs are equal?

• Error

• 1

• Undefined

• 0

Which circuit can be implemented using a 3:8 Decoder?

• Full Adder

• Magnitude Comparator

• Full Subtractor

• Multiplexer

What is the main function of a Demultiplexer?

• To perform arithmetic operations

• To encode data

• To distribute a single input to multiple outputs

• To combine multiple signals

Which of the following is NOT a type of adder?

• Half Adder

• Binary Subtractor

• Full Adder

• Carry Look Ahead Adder