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Microprocessor

Microprocessor
In order to complement the lower nibble of accumulator one can use

 ANI 0FH
 XRI 0FH
 ORI 0FH
 CMA

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Microprocessor
Identify the non-maskable interrupt from the following

 RST 6.5
 RST 4.5
 RST 5.5
 RST 7.5

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Microprocessor
In a computer the data transfer between hard disk and CPU is nearly the same as that between diskette and CPU.

True
False

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Microprocessor
The instruction set of a microprocessor

 is specified by the manufacturers
 is stored inside the microprocessor
 cannot be changed by the user
 is specified by the user

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Microprocessor
Using one 8259 IC is equivalent to providing …………. INTR pins on 8085

 18
 16
 12
 8

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Microprocessor
The forms of IF statements in FORTRAN 77 are called

Logical IF, block IF and arithmetic IF
Logical IF and Block IF
Logical IF and arithmetic IF
Logic IF, block IF, arithmetic IF and negate IF

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