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Microprocessor

Microprocessor
If m is a power of 2, the number of select lines required for an m-input mux is:

2*m
m
log2 (m)
2^m

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Microprocessor
The number of status flags present in 8085 microprocessor are

 5
 10
 16
 8

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Microprocessor
Pick up the programmable interrupt controller from the following

 8259
 8279
 8257
 8275

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

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Microprocessor
How many 16-bit special purpose registers are present in 8085 microprocessor?

 8
 2
 6
 16

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Microprocessor
SUB A instruction in 8085

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

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