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Microprocessor

Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

 246
 247
 244
 245

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Microprocessor
XCHG instruction exchanges the content of H-L with ______ register pair.

 Stack Pointer
 D-E
 PSW
 B-C

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Microprocessor
The characteristics of RESET OUT signal is/are

 the signal is synchronized to the processor clock.
 indicates that µp is being reset.
 all.
 this signal can be used to reset other devices.

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Microprocessor
When an 8085 microprocessor is reset, the address bus contains

 003CH
 0000H
 0043H
 002CH

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Microprocessor
I)A total of about one million bytes can be directly addressed by the 8086 microprocessor II)8086 has thirteen 16-bit registers III)8086 has eight flags IV)Compared to 8086, the 80286 provides a higher degree of memory protection Which one of the statements given above are correct?

 1,2 & 4
 1,2 & 3
 2,3&4
 1,3 &4

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Microprocessor
An 8-bit microprocessor signifies that

 8-bit controller
 8-bit address bus
 8-interrupt lines
 8-bit data bus

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