Microprocessor
A microprocessor is ALU

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

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
Assertion(A): Monostablemultivibrators (IC74121) are used in a microprocessor based system for frequency measurement. Reason(R): Microprocessor counts the number of interrupt signals/second or within a specified interval through ISR.

 A is false but R is true.
 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.

ANSWER DOWNLOAD EXAMIANS APP