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Microprocessor

Microprocessor
A microprocessor with a 12-bit address bus will be able to access

 4 K bytes
 1 K bytes
 10 K bytes
 8 K bytes

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Microprocessor
A microprocessor without the interrupt facility

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

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Microprocessor
Each instruction in assembly language program has the following fields:Lable fieldMnemonic fieldOperand fieldComment fieldThe correct sequence of these fields is?

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

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

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

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Microprocessor
In C the keywords are also called

Character words
Class words
Reserved words
Special words

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Microprocessor
I)A total of about one million bytes can be directly addressed by the 8086 microprocessor II)8086 has thirteen 16-bit registers III)8086 has eight flags IV)Compared to 8086, the 80286 provides a higher degree of memory protection Which one of the statements given above are correct?

 1,2 & 4
 2,3&4
 1,3 &4
 1,2 & 3

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