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

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Microprocessor
Which of the following statements for intel 8085 is correct?

 PC specifies the address of the instruction being executed
 PC specifies the address of the instruction to be executed
 PC specifies the number of instructions executed so far
 Program Counter (PC) specifies the address of the instruction last executed

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Microprocessor
In 8085 microprocessor system with memory mapped I/O, which of the following is true?

 Arithmetic and logic operations can be directly performed with the I/O data
 Devices have 8-bit address line
 There can be maximum of 256 input devices and 256 output devices
 Devices are accessed using IN and OUT instructions

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