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Digital Electronics

Digital Electronics
AND operation is equivalant to

 Union
 Both B and C
 Intersection
 Division

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Digital Electronics
A 10 bit A/D conveter is used to digitize an analog signal in the 0 to 6 volt. The maximum peak to ripple voltage that can be allowed in the D.C. supply voltage is

  6 mV.
 10 mV.
  5.85 mV.
 5 mV.

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Digital Electronics
A computer has a word length of 8 bits (including sign). It is required to determine the range of integers that can be stored in the computer. If 1’s complement is used to represent the numbers, then the range will be

 -127 to 127
 -256 to 255
 -128 to 127
 -256 to 256

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 0. The gate is either

 an AND or a NOR
 an OR or an X-OR
 a NAND or an X-OR
 an OR or an X-NOR

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Digital Electronics
A half adder has

 2 inputs and 1 outputs
 2 inputs and 2 output
 1 input and 1 output
 1 input and 2 outputs

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Digital Electronics
Storage of 1 KB means the following number of bytes

964
1024
1064
1000

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