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Microprocessor

Microprocessor
The number of status flags present in 8085 microprocessor are

 16
 10
 5
 8

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Microprocessor
The stack is nothing but a set of

 reserved RAM address space
 reserved ROM address space
None of these
 reserved I/O address space

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Microprocessor
Which language could be used for programming an FPGA.

 VHDL
 None
 Both A and B
 Verilog

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Microprocessor
_____________is used to read the status of the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by loading into the A register a byte which defines the condition of the mask bits for the interrupts.

 EI
 DI
 RIM
 SIM

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

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Microprocessor
Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor?

 2, 3, 5
 1, 3, 4
 1, 2, 5
 1, 3, 5

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