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Microprocessor

Microprocessor
An e-mail message can be sent to many recipients.

True
False

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Microprocessor
The cycle required to fetch and execute an instruction in a 8085 microprocessor is which one of the following?

 Clock cycle
 Instruction cycle
 Memory cycle
 Machine cycle

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

 RAL
 RAR
 RRC
 RLC

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

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

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Microprocessor
Consider the following statements: Arithmetic Logic Unit (ALU) 1.Performs arithmetic operations 2.Performs comparisons. 3.Communicates with I/O devices 4.Keeps watch on the system Which of these statements are correct?

 1, 2 and 3
 1 and 2 only
 3 and 4 only
 1, 2, 3 and 4

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

 PROM
 PAL
 PLA
 PLD

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