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Microprocessor

Microprocessor
Total numbers of output pins in 8085 microprocessor are

 30
 27
 40
 13

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Microprocessor
The number of status flags present in 8085 microprocessor are

 10
 8
 5
 16

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Microprocessor
The register which holds the information about the nature of results of arithmetic and logic operations is called as

 Flag register
 Condition code register
 Accumulator
 Process status register

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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
 RIM
 SIM
 DI

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Microprocessor
SUB A instruction in 8085

 sets zero and sign flags
 reset zero and parity flags
 reset carry and sign flags
 sets zero and carry flags

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Microprocessor
EPROMs are preferred for storing programs while developing new microprocessor based system. Because of their

 erasable and programmable characteristic
 random access characteristic
 all the above characteristic
 non-volatile characteristic

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