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Microprocessor

Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

 245
 244
 246
 247

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Microprocessor
The number of interrupt lines in 8085 is

4
5
3
2

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

 512
 65536
 285
 256

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Microprocessor
Each instruction in an assembly language program has the following fields 1. Label field 2. Mnemonic field 3. Operand field 4. Comment field What are the correct sequence of these fields?

 1, 3, 2 and 4
 2, 4, 1 and 3
 1, 2, 3 and 4
 2, 1, 4 and 3

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

 640ns
 1280ns
 960ns
 320ns

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Microprocessor
The multiplexing of address bus and data buses is used in

 depends on the internal architecture.
 none of these.
 never multiplexed.
 all the microprocessors.

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