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Microprocessor

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

 65536
 285
 512
 256

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

 RLC
 RAL
 RAR
 RRC

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

False
True

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Microprocessor
The 8085 microprocessor enters into bus idle machine cycle whenever

 RST 7.5 is recognized
 INTR interrupt is recognized
None of these
 DAD RP instruction is executed

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Microprocessor
Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be

 00000100
 01000000
 11000100
 010001000

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

 960ns
 640ns
 1280ns
 320ns

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