DIGITAL ELECTRONICS QUIZ 1

The number 110011000 is a

• Hexadecimal

• Decimal

• BInary

• Octal

If the two inputs of a logic gate are 1 and 0, then output of which logic gate is 1

• And

• Or

• Nor

• Not

Which Digital Gate performs the multiple operation?

• And

• Or

• Nand

• Nor

How many universal gates are available?

• 2

• 3

• 4

• 1

Which gates are the universal gates?

• Nand

• Nor

• And

• Exor

A three input NOR gate gives high output when

• One input is high

• One input is low

• All inputs are low

• All inputs are high

Latches are ________

• Edge Triggered

• Level Triggered

To store a 5 bits of data, how many flip flops are required?

• 2

• 3

• 4

• 5

The logic expression for a NOR gate is ________.

• 
  X= A'+B

• X= A+B'

• X= A+B

• X= (A+B)'

With regard to an AND gate, which statement is true?

• 
  An AND gate has two inputs and one output.

• An AND gate has two or more inputs and two outputs.

• If one input to a 2-input AND gate is HIGH, the output reflects the other input.

• A 2-input AND gate has eight input possibilities.