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Digital Electronics

Digital Electronics
Which of the following is equivalant to an ODD function

 XOR
 AND-NOR
 NOR
 XNOR

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Digital Electronics
The number of 1 in 8-bit representation of 127 in 2’s complement form is m and that in 1,s complement form is n. What is the value of m:n?

 2:1
 2:3
 1:1
 1:2

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Digital Electronics
The NAND-NAND realization is equivalent to

 AND-OR realization
 AND-NOT realization
 OR-AND realization
 NOT-OR realization

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Digital Electronics
The decimal equivalent of the highest possible address for an 8-bit address bus is

 8
 128
 256
 255

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Digital Electronics
NAND. gates are preferred over others because these

provide maximum density in a chip.
consume least electronic power
have lower fabrication area
can be used to make any gate

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Digital Electronics
A digital voltmeter has a read out range from 0 to 999 counts, the resolution is

 1.1 V.
  1 mV.
 0.01 V.
 1 V.

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