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Microprocessor

Microprocessor
DMA signal/signals in 8085 is/are

 READY.
 HOLD.
 HLDA.
 All.

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Microprocessor
A microprocessor without the interrupt facility

 is best suited for process control system
 cannot be used for DMA operation
 cannot be interfaced with any I/O devices
 is not useful for process control system

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Microprocessor
Internet is a worldwide network of computers where most of the information is freely available.

True
False

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Microprocessor
Number of Hex digits needed to represent the 20-bit address of a memory location are

 4
 20
 16
 5

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Microprocessor
In 8085 name/names of the 16 bit registers is/are

 none of these.
 both A and B.
 stack pointer.
 program counter.

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Microprocessor
Identify the programmable DMA controller from the following

 8251
 8257
 8279
 8253

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