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Microprocessor

Microprocessor
Identify the non-programmable interfacing device from the following

 8257.
 8255.
 8212.
 8295.

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Microprocessor
EPROMs are preferred for storing programs while developing new microprocessor based system. Because of their

 non-volatile characteristic
 erasable and programmable characteristic
 all the above characteristic
 random access characteristic

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Microprocessor
How many T-states are required for execution of OUT 80H instruction?

 16
 7
 13
 10

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Microprocessor
A structure that stores a number of bits taken “together as a unit” is a

Mux
Gate
Decoder
Register

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Microprocessor
Which of the following pair of gates can form a latch?

A cross coupled NAND/OR
A pair of cross coupled OR
A pair of cross copled AND
A pair of cross coupled NAND

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Microprocessor
The cycle required to fetch and execute an instruction in a 8085 microprocessor is which one of the following?

 Instruction cycle
 Memory cycle
 Clock cycle
 Machine cycle

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