Microprocessor
The multiplexing of address bus and data buses is used in

 never multiplexed.
 depends on the internal architecture.
 all the microprocessors.
 none of these.

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Microprocessor
How can we make any bit of a register “0”?

 AND that bit with “0” and remaining bits with “1”.
 OR that bit with “0” and remaining bits with “1”.
 OR that bit with “1” and remaining bits with “0”.
 AND that bit with “1” and remaining bits with “0”.

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