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Microprocessor

Microprocessor
How many 16-bit special purpose registers are present in 8085 microprocessor?

 8
 2
 16
 6

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Microprocessor
In order to save accumulator value on the stack, which of the following instruction may be used

 PUSH PSW
 POP PSW
 PUSH SP
 PUSH A

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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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Microprocessor
In an intel 8085A, which is the first machine cycle of an instruction?

 A memory read cycle
 A memory write cycle
 An I/O read cycle
 An op-code fetch cycle

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Microprocessor
The number of hardware interrupts present in 8085 microprocessor are

 8
 5
 10
 16

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Microprocessor
________used to implement the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by setting various bits to form masks or generate output data via the Serial Output Data (SOD) line.

 EI
 DI
 RIM
 SIM

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