Microprocessor
In a microcomputer , the address of memory locations are binary numbers that identify each memory circuit where a byte is stored. If a microcomputer uses 20-bit address, then numbers of different memory locations are

 20
 220
 220-1
 220 - 1

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

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