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Microprocessor

Microprocessor
How many bytes in a zero memory page should be reserved for vectors used by RST instructions?

 128.
 64.
 32.
 16.

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Microprocessor
Let the content of register C be 00000000 before the instruction DCR C is executed. The content of register C after the after the execution of this instruction will be

 00000001
 None
 11111111
 00000000

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Microprocessor
Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be

 00000100
 11000100
 010001000
 01000000

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Microprocessor
In a C expression using assignment operators, relational operators and arithmetic operators, the hierarchy of operations (in the absence of parenthesis) is

Assignment, relational, arithmetic
Relational, assignment, arithmetic
Arithmetic, relational, assignment
Arithmetic, assignment, relational

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Microprocessor
In 8085 microprocessor based system maximum possible number of input/output devices can be connected using I/O mapped I/O technique is

 64
 256
 512
 65536

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Microprocessor
The forms of IF statements in FORTRAN 77 are called

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

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