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Microprocessor

Microprocessor
In C the keywords are also called

Character words
Class words
Special words
Reserved words

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Microprocessor
The addressing mode in instruction PUSH B is

 register
 register indirect
 direct
 immediate

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Microprocessor
In order to complement the lower nibble of accumulator one can use

 ORI 0FH
 XRI 0FH
 ANI 0FH
 CMA

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Microprocessor
Total number of modes the 8253 can work

 4
 6
 8
 12

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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?

 Identifiers
 Directives
 Mnemonics
 Operands

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Microprocessor
Identify the programmable DMA controller from the following

 8253
 8251
 8279
 8257

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