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Microprocessor

Microprocessor
When an 8085 microprocessor is reset, the address bus contains

 003CH
 002CH
 0000H
 0043H

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

 16
 12
 20
 8

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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)
 (II) & (III)
 (I) & (II)
 (I) only

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Microprocessor
Temporary registers in 8085 are

 D and E.
 B and C.
 W and Z.
 H and L.

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Microprocessor
The operating modes of 8255 A are called

Mode 0, mode 1 and mode 2
Mode 0 and mode 1
Mode 0, mode 2 and mode 3
Mode 0 and mode 2

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

 1280ns
 960ns
 320ns
 640ns

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