Digital Electronics MCQs Set-6

1. Logic High at the output is treated as gate ____________________
  • On
  • Off
  • None of the above
2. In digital electronics, the ‘ON’ state is often represented by 1
  • 0
  • 1
  • 2
  • 3
3. The basic logic gates are NOT, AND, ____________, ____________ and _______________
  • OR
  • XOR
  • XNOR
  • All of the above
4. The output of the NOT gate is always the _______________________ of the input.
  • Same
  • Negation
  • Opposite
  • Both (B) and (C)
5. A basic AND gate consists of ______________inputs and an output
  • One
  • Zero
  • Two
  • Ten
6. In the AND gate, the output is ‘High’ or gate is ‘On’ only if both the inputs are ______________
  • Fluctuating
  • Low
  • Medium
  • High
7. Symbol: F = A.B, where ‘.’ implies ________________ operation.
  • OR
  • AND
  • XOR
  • NOR
8. A basic OR gate is a two input, _________________ output gate
  • Two
  • Infinity
  • Single
  • Zero
9. The OR gate output is 0 only when both the inputs are _________________
  • Minus
  • 2
  • 1
10. Symbol: F = A + B, where ‘+’ implies _____ operation
  • OR
  • AND
  • NAND
  • XOR