Same chapter3 marksDifficulty: Medium
Draw the truth table of the NAND gate and explain why it is called a universal gate.
Electronic Devices
3 marksDifficulty: Medium
Draw the truth tables of the AND, OR and NOT gates.
Original Khojo Papers practice question — not from a past board paper.
Answer
AND gives 1 only when both inputs are 1. OR gives 0 only when both inputs are 0. NOT gives the complement of its single input.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Every other gate can be built from combinations of these three.
Related questions
From the same topic and chapter, at a similar level.
Same chapter3 marksDifficulty: Medium
What is a Zener diode and what is it used for?
Electronic Devices
Same chapter3 marksDifficulty: Medium
Distinguish between intrinsic and extrinsic semiconductors, and between n-type and p-type.
Electronic Devices
Same chapter3 marksDifficulty: Medium
Explain the formation of the depletion region in a p-n junction and the effect of forward and reverse bias on it.
Electronic Devices
Same chapter3 marksDifficulty: Medium
Distinguish between a half-wave and a full-wave rectifier.
Electronic Devices
Same subject3 marksDifficulty: Medium
State Kirchhoff's two laws and say what conservation principle each expresses.
Current Electricity