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Microprocessor

Microprocessor
The first microprocessor to include virtual memory in the intel microprocessor family is

 80386
 80486
 Pentium
 80286

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Microprocessor
The frequency of the driving network connected between pins 1 and 2 of 8085 microprocessor is

None of these
 twice the desired frequency
 equal to the desired frequency
 four times the desired frequency

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Microprocessor
The data bus of any microprocessor is always

 None
 Bi-directional
 Either unidirectional or bi-directional
 Unidirectional

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Microprocessor
Which general register or general register pair is incremented/decremented by 2 during PUSH and POP instructions?

 Program Counter.
 H-L.
 D-E.
 Stack Pointer.

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Microprocessor
After RESET 8255 will be in

 mode 0; all ports are output
 mode 2
 unchanged condition
 mode 0; all ports are input

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

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

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