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Microprocessor

Microprocessor
Maximum number of I/O that can be addressed by the INTEL 8085 is

 256
 65536
 512
 285

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Microprocessor
In a computer the data transfer between hard disk and CPU is nearly the same as that between diskette and CPU.

False
True

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

 ORI 0FH
 XRI 0FH
 CMA
 ANI 0FH

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

 RRC
 RAL
 RLC
 RAR

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

 1280ns
 640ns
 320ns
 960ns

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Microprocessor
In 8086, _______ uses a mechanism known as an instruction stream queue to implement a pipeline architecture.

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

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