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Microprocessor

Microprocessor
Total numbers of output pins in 8085 microprocessor are

 27
 30
 40
 13

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Microprocessor
I)A total of about one million bytes can be directly addressed by the 8086 microprocessor II)8086 has thirteen 16-bit registers III)8086 has eight flags IV)Compared to 8086, the 80286 provides a higher degree of memory protection Which one of the statements given above are correct?

 1,2 & 3
 2,3&4
 1,2 & 4
 1,3 &4

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Microprocessor
The microprocessor issues ALE during first T-state of

 every machine cycle
 memory WRITE cycle only
 fetch cycle only
 memory READ cycle only

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Microprocessor
Which one of the following microprocessor has 16-bit data bus?

 8085
 Z-80
 6502
 68000

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Microprocessor
A number of 1-bit registers used in microprocessors to indicate certain conditions are usually referred to as

 shift registers
 counters
 latches
 flags

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

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

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