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Microprocessor

Microprocessor
Which of the following instruction will never affect the zero flag?

 XRA R
 ORA R
 DCX Rp
 DCR R

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Microprocessor
A field programmable ROM is called

 FROM
 FPROM
 PROM
 MROM

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Microprocessor
In 8085, the pins for SID and SOD are

5 and 4 respectively
3 and 4 respectively
4 and 3 respectively
4 and 5 respectively

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Microprocessor
Total numbers of output pins in 8085 microprocessor are

 40
 27
 13
 30

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Microprocessor
CALL instruction is a ______ instruction.

 2 bytes
 3 bytes
 1 bytes
 4 bytes

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Microprocessor
How many segments are there in 8086?

 4.
 2.
 3.
 6.

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