Microprocessor
The data lines of 8085 microprocessor are multiplexed with

 status lines
 higher order address lines
None of these
 lower order address lines

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

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

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Microprocessor
Assertion(A): Ready signal of microprocessor is used to detect whether a peripheral is ready for the data transfer or not. Reason(R): In the microprocessor during data transfer operations, the wait states are added by forcing the ready signal low.

 Both A & R are true but R is not the correct explanation of A .
 A is true but R is false.
 Both A & R are true and R is the correct explanation of A.
 A is false but R is true.

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