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Microprocessor

Microprocessor
Register pair used to indicate memory

 W and Z
 B and C
 H and L
 D and E

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Microprocessor
The clock speed of 8085 is

 1MHz.
 3.2KHz.
 3.2MHz.
 1KHz.

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Microprocessor
An 8-bit microprocessor signifies that

 8-bit data bus
 8-bit address bus
 8-interrupt lines
 8-bit controller

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Microprocessor
It is possible to copy a file in the same directory.

False
True

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

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

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