Computer Hardware Quiz

What is the output of an AND gate when both inputs are 1?

• 2

• 1

• 0

• Undefined

Which of the following is a universal gate?

• OR

• NAND

• AND

• NOT

What is the primary function of a multiplexer?

• To perform arithmetic operations

• To select one input from many

• To encode signals

• To decode signals

In a half adder, what are the two outputs?

• Sum and Carry

• Data and Address

• Input and Output

• Difference and Borrow

What does a decoder do?

• Adds binary numbers

• Inverts a signal

• Converts binary to decimal

• Selects one of many inputs

Which gate is known as the NOT gate?

• NAND

• AND

• Inverter

• OR

What is the output of a NOR gate when both inputs are 0?

• 2

• 1

• 0

• Undefined

How many inputs does a 4-to-1 multiplexer have?

• 2

• 4

• 8

• 16

What is the function of an encoder?

• To convert decimal to binary

• To add binary numbers

• To select one input from many

• To decode signals

Which of the following is NOT a basic logic gate?

• NAND

• XOR

• OR

• AND