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Microprocessor

Microprocessor
Pick out the matching pair

 SID; SIM
 S0;S1;wait status
 HOLD; DMA
 READY; RIM

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

False
True

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Microprocessor
How many machine cycles are required for execution of IN 30H instruction

 5
 3
 4
 6

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Microprocessor
The content of the A15-A8 (higher order address lines) while executing “IN 8-bit port address” instruction are

 same as the content of A7-A0
 all bits set (i.e. FFH)
 irrelevant
 all bits reset (i.e. 00H)

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Microprocessor
The addressing mode in instruction PUSH B is

 immediate
 register
 register indirect
 direct

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

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