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Microprocessor

Microprocessor
________is the only non-vectored interrupt in 8085 microprocessor.

 INTR
 TRAP
 RST 5.5
 RST 7

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Microprocessor
Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be

 01000000
 11000100
 010001000
 00000100

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

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Microprocessor
In C the keywords are also called

Reserved words
Class words
Special words
Character words

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Microprocessor
The five flags in 8085 are designated as

Z, CY, S, P and AC
D, Z, S, P, AC
Z, C, S, P, AC
Z, CY, S, D, AC

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Microprocessor
A number of 1-bit registers used in microprocessors to indicate certain conditions are usually referred to as

 latches
 flags
 counters
 shift registers

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