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Microprocessor

Microprocessor
The number of interrupt lines in 8085 is

3
2
5
4

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Microprocessor
A field programmable ROM is called

 FPROM
 PROM
 FROM
 MROM

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Microprocessor
A microprocessor without the interrupt facility

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

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Microprocessor
If the number of address bits in a memory is reduced by 2 and the addressability is doubled, the size of the memory (i.e., the number of bits stored in the memory)

Remains unchanged
Halves
Doubles
Increases by 2^(address bits)/addressability

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Microprocessor
Which one of the following statement is false?

 A microprocessor has an ALU
 A microprocessor has bi-directional data bus
 A microprocessor has unidirectional address bus
 A microprocessor has bi-directional address bus

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Microprocessor
DMA signal/signals in 8085 is/are

 HOLD.
 All.
 HLDA.
 READY.

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