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Microprocessor

Microprocessor
The ROM programmed during manufacturing process itself is called

 EEPROM
 EPROM
 MROM
 PROM

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Microprocessor
How many T-states are required for execution of OUT 80H instruction?

 7
 10
 13
 16

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Microprocessor
Both the ALU and control section of CPU employ which special purpose storage location?

 Decoders
 Registers
 Accumulators
 Buffers

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Microprocessor
Let the content of register C be 00000000 before the instruction DCR C is executed. The content of register C after the after the execution of this instruction will be

 00000001
 11111111
 00000000
 None

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Microprocessor
Identify the programmable DMA controller from the following

 8257
 8279
 8251
 8253

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Microprocessor
DMA signal/signals in 8085 is/are

 All.
 HLDA.
 READY.
 HOLD.

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