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Microprocessor

Microprocessor
In C the keywords are also called

Character words
Special words
Reserved words
Class words

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

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

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Microprocessor
Consider the following I) Sign flag II) Trap flag III) Parity flag IV) Auxiliary carry flag. Which one of the above flags is/are present in 8085 microprocessor?

 (II) & (III)
 (I) ,(III) & (IV)
 (I) & (II)
 (I) only

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Microprocessor
While CMP B instruction executes,

 only carry flag will be affected.
 only carry and zero flags will be affected.
 no flags will be affected.
 all flags will be affected.

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Microprocessor
In 8086 the number of bytes which can be addressed directly is about

100000
one million
1000
10000

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Microprocessor
A mask programmed ROM is

 erasable electrically
 programmed at the time of fabrication
 programmed by the user
 erasable and programmable

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