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Microprocessor

Microprocessor
How many bytes in a zero memory page should be reserved for vectors used by RST instructions?

 64.
 16.
 32.
 128.

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Microprocessor
Identify the programmable DMA controller from the following

 8279
 8251
 8253
 8257

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

 80386
 Pentium
 80286
 80486

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Microprocessor
EPROMs are preferred for storing programs while developing new microprocessor based system. Because of their

 non-volatile characteristic
 random access characteristic
 erasable and programmable characteristic
 all the above characteristic

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Microprocessor
During the execution of the instruction, the ________tests the status and control flags and updates them based on the results of executing the instruction.

 None of these
 Execution Unit (EU)
 Bus Interface Unit (BIU)
 Both ‘c’ and ‘d’

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Microprocessor
The instruction set of a microprocessor

 cannot be changed by the user
 is specified by the user
 is stored inside the microprocessor
 is specified by the manufacturers

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