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Microprocessor

Microprocessor
A combinational PLD with a programmable AND array and a programmable OR array is called a

 PAL
 PLD
 PROM
 PLA

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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
 Clock cycle
 Memory cycle
 Machine cycle

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

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Microprocessor
Which instruction is required to rotate the content of accumulator one bit right along with carry?

 RAL
 RAR
 RLC
 RRC

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Microprocessor
The execution of RST n instruction causes the stack pointer to

None of these
 increment by two
 decrement by two
 remain unaffected

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Microprocessor
When an 8085 microprocessor is reset, the address bus contains

 003CH
 0043H
 002CH
 0000H

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