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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:

log2 (m)
2^m
2*m
m

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Microprocessor
Which of the following pair of gates can form a latch?

A pair of cross copled AND
A pair of cross coupled OR
A cross coupled NAND/OR
A pair of cross coupled NAND

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Microprocessor
The forms of IF statements in FORTRAN 77 are called

Logical IF and arithmetic IF
Logical IF, block IF and arithmetic IF
Logical IF and Block IF
Logic IF, block IF, arithmetic IF and negate IF

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Microprocessor
During OPCODE fetch the state of S0 and S1 is

 01
 10
 11
 00

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Microprocessor
A microprocessor without the interrupt facility

 is not useful for process control system
 cannot be interfaced with any I/O devices
 is best suited for process control system
 cannot be used for DMA operation

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Microprocessor
The maximum number of seven segment displays that can be connected to 8279 is

 8
 12
 18
 16

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