Microprocessor
Which of the following is not true during the execution of an interrupt service routine, which does not contain any EI instructions

 the microprocessor cannot be interrupted by any interrupt
 all interrupts except non-maskable interrupt are disabled
 the microprocessor can be interrupted by a non-mask able interrupt
 the microprocessor cannot be interrupted by any mask able interrupt

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Microprocessor
Assertion (A): Each memory chip has its own address latch. Reason (R): ALE signal comes out of microprocessor 8085 and goes to memory chip.

A is wrong R is correct
Both A and R are correct but R is not correct explanation of A
Both A and R are correct and R is correct explanation of A
A is correct R is wrong

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