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Microprocessor

Microprocessor
A microcomputer consists of

 I/O device
 a microprocessor
All of these
 memory

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Microprocessor
Identify the non-programmable interfacing device from the following

 8257.
 8255.
 8212.
 8295.

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Microprocessor
Which one of the following circuits transmits two messages simultaneously in one direction

 Duplex
 Diplex
 Quadruplex
 Simplex

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Microprocessor
In a computer the data transfer between hard disk and CPU is nearly the same as that between diskette and CPU.

True
False

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Microprocessor
A bus connected between the CPU and main memory that permits transfer of information between main memory and the CPU is known as

 Control bus
 DMA bus
 Address bus
 Memory bus

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Microprocessor
The data lines of 8085 microprocessor are multiplexed with

 higher order address lines
 status lines
None of these
 lower order address lines

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