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Microprocessor

Microprocessor
It is possible to copy a file in the same directory.

True
False

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Microprocessor
In a microcomputer , the address of memory locations are binary numbers that identify each memory circuit where a byte is stored. If a microcomputer uses 20-bit address, then numbers of different memory locations are

 20
 220 - 1
 220
 220-1

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Microprocessor
What is mean by ALU

 Arithmetic logic unit
 Arithmetic local unsigned
 Arithmetic logic upgrade
 Arithmetic logic unsigned

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Microprocessor
Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value?

 ORA A
 SUB A
 CLR A
 MOV A, 00H

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Microprocessor
The register which holds the information about the nature of results of arithmetic and logic operations is called as

 Condition code register
 Accumulator
 Flag register
 Process status register

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Microprocessor
Which one of the following circuits transmits two messages simultaneously in one direction

 Duplex
 Quadruplex
 Simplex
 Diplex

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