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Microprocessor

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

 512
 256
 65536
 285

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Microprocessor
IC 7485 cannot be cascadeD.

True
False

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Microprocessor
The 8085 microprocessor enters into bus idle machine cycle whenever

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

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Microprocessor
The data lines of 8085 microprocessor are multiplexed with

None of these
 lower order address lines
 status lines
 higher order address lines

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Microprocessor
Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor?

 2, 3, 5
 1, 3, 5
 1, 2, 5
 1, 3, 4

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Microprocessor
The address bus width of a microprocessor which is capable of addressing 64 Kbytes of the memory is

 12
 16
 8
 20

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