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Microprocessor

Microprocessor
RST 3 instruction will cause the processor to branch to the location

 0018H
 0028H
 0024H
 0000H

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Microprocessor
Which of the following is not treated as hexadecimal constant by assembler in 8085?

6 AFH
234
45 H
64 H

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Microprocessor
A real number consists of

Integer part, fraction part along with positive or negative sign
Integer part
None of these
Integer part and fraction part

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Microprocessor
Identify the non-programmable interfacing device from the following

 8212.
 8255.
 8295.
 8257.

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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

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

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Microprocessor
At the beginning of a fetch cycle, the contents of the program counter are

 transferred to memory data register.
 transferred to memory address register .
 incremented by one.
 transferred to address bus.

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