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Microprocessor

Microprocessor
How many machine cycles are required for execution of IN 30H instruction

 4
 3
 5
 6

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Microprocessor
The character set of Fortran 77 includes lower case alphabets a to z.

True
False

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Microprocessor
An I/O processor controls the flow of information between

Main memory and I/O devices
Cache and main memory
Two I/O devices
Cache memory and I/O devices

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Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

 247
 244
 245
 246

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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?

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

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Microprocessor
Which instruction is required to rotate the content of accumulator one bit right along with carry?

 RRC
 RLC
 RAR
 RAL

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