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Microprocessor

Microprocessor
The first microprocessor to include virtual memory in the intel microprocessor family is

 Pentium
 80486
 80286
 80386

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Microprocessor
The instruction set of a microprocessor

 is specified by the manufacturers
 cannot be changed by the user
 is specified by the user
 is stored inside the microprocessor

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Microprocessor
Output of the assembler in machine codes is referred to as

 Object program
 Symbolic addressing
 Source program
 Macroinstruction

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Microprocessor
At the beginning of a fetch cycle, the contents of the program counter are

 transferred to memory address register .
 transferred to address bus.
 incremented by one.
 transferred to memory data register.

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Microprocessor
In 8085 microprocessor which one of the following statement is wrong

 serial I/O is possible through SIM and RIM instruction
 serial I/O is not possible
 there is a pin available for serial input
 there is a pin available for serial output

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Microprocessor
PSW stands for

 flag byte
 none
 accumulator and flag register contents
 accumulator contents

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