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Microprocessor

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

 8
 12
 16
 20

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

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Microprocessor
During OPCODE fetch the state of S0 and S1 is

 00
 01
 11
 10

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Microprocessor
The execution of RST n instruction causes the stack pointer to

 decrement by two
None of these
 increment by two
 remain unaffected

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Microprocessor
Identify the non-programmable interfacing device from the following

 8257.
 8255.
 8212.
 8295.

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Microprocessor
Pick up the programmable interrupt controller from the following

 8257
 8279
 8275
 8259

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