Yes, a NAND gate is the reciprocal (opposite) of an AND gate. It gives a LOW output only when all its inputs are HIGH, while an AND gate gives a HIGH output only when all its inputs are HIGH.
Related Questions:
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 - Physics 10 MCQ
 - Simple harmonic motion and waves
 - Simple harmonic motion and waves-NFE
 - Give an example of vibratory motion which is not simple harmonic motion. Give a reason for your selection.
 - At the extreme position, velocity is zero but acceleration is maximum in simple harmonic motion. How can you theoretically explain it?
 - What will happen to the acceleration of a mass-spring system if its mass is doubled?
 - A simple pendulum has a time period “T”. What will happen to its time period if its thread length is shortened to half?
 - A simple pendulum has a time period of 4 seconds. Will its time period remain the same or change if its steel bob is replaced by a wooden bob of the same size?
 - Same masses are attached to different springs, one is vibrating faster. Why?
 - A simple pendulum has a time period “T” in Murree. In Karachi, it has a different time period. What would you do to make its time period the same as it was in Murree?
 - What will happen to the frequency of waves in a ripple tank if the time period of the electrical vibrator is decreased? What will happen to the wave speed?
 - Why do water waves refract at the boundary of shallow water and deep water in a ripple tank experiment?
 - Under what conditions are waves diffracted the most?
 - What do you mean by oscillation? Define simple harmonic motion. What are the conditions for a body to perform SHM? Give examples of bodies that perform SHM.
 - Show that a vibrating mass-spring system performs simple harmonic motion. What is its time period? On what factors does it depend?