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Microprocessor

Microprocessor
Which of the following instruction is not possible in 8085?

 POP PSW
 POP D
 POP 30 H
 POP B

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

 PLA
 PLD
 PAL
 PROM

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Microprocessor
The relation among IC (Instruction Cycle), FC (Fetch cycle) and EC (Execute Cycle) is

 IC = FC + 2EC
 IC = FC - EC
 EC = IC + FC
 IC = FC + EC

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Microprocessor
The operating modes of 8255 A are called

Mode 0, mode 2 and mode 3
Mode 0 and mode 1
Mode 0, mode 1 and mode 2
Mode 0 and mode 2

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Microprocessor
A field programmable ROM is called

 FROM
 FPROM
 PROM
 MROM

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Microprocessor
An I/O processor controls the flow of information between

Main memory and I/O devices
Two I/O devices
Cache and main memory
Cache memory and I/O devices

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