Microprocessor
A microprocessor differentiates between op code, data/address at any time by

 its internal registers
 the program counter
 the sequence in which memory contents are fetched by it
 the stack pointer

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Microprocessor
A microprocessor is ALU

 register unit and control unit on a single chip.
 register unit and I/O device on a single chip.
 and control unit on a single chip.
 and memory on a single chip.

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Microprocessor
How can we make any bit of a register “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”.
 AND that bit with “0” and remaining bits with “1”.

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