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Microprocessor

Microprocessor
Identify the non-maskable interrupt from the following

 RST 7.5
 RST 5.5
 RST 4.5
 RST 6.5

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Microprocessor
A sequence of two registers that multiplies the content of DE register pair by two and stores the result in HL register pair (in 8085 assembly language) is

 XTHL & DAD H
 XCHG & DAD B
 PCHL & DAD D
 XCHG & DAD H

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Microprocessor
The number of output pins in 8085 microprocessors are

 27.
 21.
 19.
 40.

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Microprocessor
The operations executed by two or more control units are referred as

 Multi-operations
 Bi control-operations
 Micro-operations
 Macro-operations

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Microprocessor
The register which holds the information about the nature of results of arithmetic and logic operations is called as

 Flag register
 Accumulator
 Condition code register
 Process status register

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

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

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