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Microprocessor

Microprocessor
Total number of modes the 8253 can work

 6
 4
 12
 8

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Microprocessor
The number of interrupt lines in 8085 is

2
3
4
5

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Microprocessor
After RESET 8255 will be in

 mode 0; all ports are output
 unchanged condition
 mode 2
 mode 0; all ports are input

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Microprocessor
In an 8085 microprocessor based system, the contents of SP are 1000H, PUSH B instruction will transfer the contents of registers B & C respectively for memory locations

 0FFF H and 0FFE H
 1000 H and 0FFF H
 1000 H and 1001 H
 0FFE H and 0FFF H

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Microprocessor
________is the only non-vectored interrupt in 8085 microprocessor.

 INTR
 RST 7
 TRAP
 RST 5.5

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Microprocessor
The forms of IF statements in FORTRAN 77 are called

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

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