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Microprocessor

Microprocessor
Total number of modes the 8253 can work

 6
 8
 4
 12

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Microprocessor
I)A total of about one million bytes can be directly addressed by the 8086 microprocessor II)8086 has thirteen 16-bit registers III)8086 has eight flags IV)Compared to 8086, the 80286 provides a higher degree of memory protection Which one of the statements given above are correct?

 1,2 & 3
 2,3&4
 1,2 & 4
 1,3 &4

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

 0000H
 0018H
 0024H
 0028H

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Microprocessor
In Fortran 77 a variable name can contain special characters.

False
True

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

 Process status register
 Flag register
 Accumulator
 Condition code register

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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

 220-1
 20
 220
 220 - 1

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