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Microprocessor

Microprocessor
Identify the non-maskable interrupt from the following

 RST 7.5
 RST 5.5
 RST 4.5
 RST 6.5

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Microprocessor
In an intel 8085A, which is the first machine cycle of an instruction?

 An op-code fetch cycle
 A memory write cycle
 An I/O read cycle
 A memory read cycle

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Microprocessor
EPROMs are preferred for storing programs while developing new microprocessor based system. Because of their

 random access characteristic
 erasable and programmable characteristic
 non-volatile characteristic
 all the above characteristic

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Microprocessor
A bus connected between the CPU and main memory that permits transfer of information between main memory and the CPU is known as

 Memory bus
 DMA bus
 Control bus
 Address bus

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Microprocessor
In 8085 microprocessor, the RST6 instruction transfer programme execution to following location

 0060H.
 0030H.
 0048H.
 0024H.

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Microprocessor
The instruction set of a microprocessor

 cannot be changed by the user
 is stored inside the microprocessor
 is specified by the manufacturers
 is specified by the user

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