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Microprocessor

Microprocessor
DMA is used between

 microprocessor and memory
 microprocessor and I/O
 memory and I/O
 none

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Microprocessor
A 37 bit mantissa has an accuracy of

6 decimal places
11 decimal places
10 decimal places
8 decimal places

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Microprocessor
A combinational PLD with a programmable AND array and a fixed OR array is called a

 PLD
 PAL
 PLA
 PROM

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Microprocessor
In 8085 microprocessor based system maximum possible number of input/output devices can be connected using I/O mapped I/O technique is

 256
 65536
 512
 64

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Microprocessor
In 8085 microprocessor which one of the following statement is wrong

 serial I/O is possible through SIM and RIM instruction
 there is a pin available for serial output
 there is a pin available for serial input
 serial I/O is not possible

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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 & 3
 1,2 & 4
 1,3 &4
 2,3&4

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