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Microprocessor

Microprocessor
The word size of 8085 microprocessor is

 16-bit
 20-bit
 8-bit
 4-bit

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Microprocessor
Identify the non-programmable interfacing device from the following

 8295.
 8212.
 8257.
 8255.

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Microprocessor
What is used to access 16-bit data in 8086?

 Memory Banking.
 Data Banking.
 Pipeline architecture.
None of these

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Microprocessor
Which general register or general register pair is incremented/decremented by 2 during PUSH and POP instructions?

 Program Counter.
 H-L.
 Stack Pointer.
 D-E.

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Microprocessor
In an 8085 microprocessor based system, the contents of SP are 1000H, PUSH B instruction will transfer the contents of registers B & C respectively for memory locations

 1000 H and 1001 H
 1000 H and 0FFF H
 0FFE H and 0FFF H
 0FFF H and 0FFE H

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Microprocessor
The reason for the presence of ALE pin in 8085, but not in 6800 is that

 None
 8085 uses I/O mapped I/O, whereas 6800 uses memory mapped I/O
 8085 has multiplexed bus, whereas 6800 does not have
 8085 has 5 interrupts lines, whereas 6800 has only two

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