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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
m
2*m

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Microprocessor
A 37 bit mantissa has an accuracy of

11 decimal places
6 decimal places
8 decimal places
10 decimal places

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Microprocessor
Which components are NOT found on chip in a microprocessor but may be found on chip in a microcontroller?

 SRAM, EPROM & PORTS
 EPROM, USART & PORTS
 SRAM & USART
 EPROM & PORTS

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Microprocessor
In microprocessor based system I/O ports are used to interface

 the I/O devices and memory chips
 the O/P devices only
 the I/P device only
 all the I/O devices

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Microprocessor
While INX B instruction execute,

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

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Microprocessor
In 8085 name/names of the 16 bit registers is/are

 program counter.
 both A and B.
 none of these.
 stack pointer.

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