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Microprocessor

Microprocessor
Which of the following interrupt is both level and edge sensitive?

 INTR
 TRAP
 RST 7.5
 RST 5.5

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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

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

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Microprocessor
Identify the non-programmable interfacing device from the following

 8257.
 8255.
 8295.
 8212.

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Microprocessor
PSW stands for

 accumulator contents
 flag byte
 none
 accumulator and flag register contents

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Microprocessor
A combinational PLD with a programmable AND array and a programmable OR array is called a

 PAL
 PLA
 PROM
 PLD

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Microprocessor
While STC instruction executes,

 all flags will be affected.
 only carry and zero flags will be affected.
 only carry flag will be affected.
 no flags will be affected.

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