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Microprocessor

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

 002CH
 0043H
 0000H
 003CH

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Microprocessor
Because we wish to allow each ASCII code to occupy one location in memory, most memories are __________ addressable.

NIBBLE
DOUBLEWORD (32 bits)
WORD (16 bits)
BYTE

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Microprocessor
We say that a set of gates is logically complete if we can build any circuit without using any other kind of gates. Which of the following sets are logically complete

Set of {EXOR, NOT}
Set of {AND,OR}
None of these
Set of {AND,OR,NOT}

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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 8086 the number of bytes which can be addressed directly is about

one million
1000
10000
100000

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Microprocessor
SUB A instruction in 8085

 reset zero and parity flags
 reset carry and sign flags
 sets zero and sign flags
 sets zero and carry flags

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