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Digital Electronics

Digital Electronics
Positive integers must be represented by

 Both A and B
 None of these
 signed numbers
 unsigned number

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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

 5 mV.
  5.85 mV.
 10 mV.
  6 mV.

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Digital Electronics
Which of the following represents (E3)16 ?

 (2BC)16-(1DE)16
 (200)16-(11D)16
 (1CE)16+(A2)16
 (1BC)16-(DE)16

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Digital Electronics
The minimum decimal equivalent of the number 11C is

 268
 194
 269
 183

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Digital Electronics
When will be the output of a NOT gate is HIGH ?

 the input is HIGH and LOW
 the input is HIGH
 the input is LOW
None of these

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Digital Electronics
Which of the following gates cannot be used as an inverter?

 AND
 X-NOR
 NOR
 NAND

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