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Microprocessor

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

True
False

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Microprocessor
What are the sets of commands in a program which are not translated into machine instructions during assembly process, called?

 Operands
 Mnemonics
 Directives
 Identifiers

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Microprocessor
The 8085 microprocessor uses a crystal of frequency 6.25 Mhz. The T-state value is

 640ns
 1280ns
 320ns
 960ns

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Microprocessor
We say that a set of gates is logically complete if we can build any circuit without using any other kind of gates. Which of the following sets are logically complete

Set of {EXOR, NOT}
None of these
Set of {AND,OR}
Set of {AND,OR,NOT}

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

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

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Microprocessor
The content of the A15-A8 (higher order address lines) while executing “IN 8-bit port address” instruction are

 irrelevant
 same as the content of A7-A0
 all bits reset (i.e. 00H)
 all bits set (i.e. FFH)

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