Microprocessor
Ready pin of microprocessor is used

 to provide direct memory access
 to indicate that microprocessor is ready to receive inputs
 to introduce wait state
 to indicate that microprocessor is ready to receive outputs

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

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

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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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