Digital Electronics Worksheet

The ______ contains an arithmetic and logic unit for manipulating data.

• Motherboard

• Central Processing Unit

• Software

• Programming

The universal gate is ______.

• NAND gate

• OR gate

• AND gate

• None of the above

Total number of inputs in a half adder is ____.

• 2

• 3

• 4

• 2 or 3

• 4

• 8

• 1

• 2

Number of outputs in a half adder ____________

• 1

• 2

• 3

• 0

The expression of a NAND gate is_______

A ________ is a circuit with only one output but can have multiple inputs.

• Logic gate

• Truth table

• Binary circuit

• Boolean circuit

In Boolean algebra, the bar sign (-) indicates

• OR operation

• AND operation

• NOT operation

• None of the above

______ truth table entries are necessary for a four-input circuit.

• 4

• 8

• 12

• 16

Which of the following circuits is used to store one bit of data?

• Flip-flop

• Half adder

• Multiplexer

• Decoder