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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
In microprocessor based system DMA refers to

 direct memory access for the I/O device
 direct memory access for microprocessor
None of these
 direct memory access for the user

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Microprocessor
Which language could be used for programming an FPGA.

 None
 Both A and B
 VHDL
 Verilog

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Microprocessor
While using a frequency counter for measuring frequency, two modes of measurement are possible: Period time Frequency mode There is a ‘cross-over frequency’ below which the period mode is preferred. Assuming the crystal oscillator frequency to be 4MHz, the crossover frequency is given by

 1Khz.
 2 Khz.
 8 Mhz.
 2 Mhz.

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Microprocessor
In an 8085 microprocessor based system, the contents of SP are 1000H, PUSH B instruction will transfer the contents of registers B & C respectively for memory locations

 1000 H and 1001 H
 0FFE H and 0FFF H
 0FFF H and 0FFE H
 1000 H and 0FFF H

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Microprocessor
When an 8085 microprocessor is reset, the address bus contains

 003CH
 0043H
 0000H
 002CH

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