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Microprocessor

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

 Pentium
 80286
 80386
 80486

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Microprocessor
In a C expression using assignment operators, relational operators and arithmetic operators, the hierarchy of operations (in the absence of parenthesis) is

Arithmetic, relational, assignment
Assignment, relational, arithmetic
Relational, assignment, arithmetic
Arithmetic, assignment, relational

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Microprocessor
Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value?

 SUB A
 MOV A, 00H
 ORA A
 CLR A

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

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

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Microprocessor
In a microprocessor based system the stack is always in

 RAM
 EPROM
 ROM
 microprocessor

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Microprocessor
Which one of the following interrupt/interrupts is/are only level triggering?

 RST 5.5
 RST 6.5
 both ‘a’ and ‘b’
 TRAP

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