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Digital Electronics

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

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

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Digital Electronics
Complement of XNOR and NOR is ________ and ________ respectively.

 XOR, OR
 NOR, XNOR
 XOR, NOR
 OR, NOR

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Digital Electronics
The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to positive logic system.

 –1.5 V and – 5 V
 0 V and 5 V
 1 V and -5 V
 5 V and 0 V

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Digital Electronics
Boolean algebra is also known as

 Counting algebra
 Switching algebra
 Transistor algebra
 Gate algebra

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Digital Electronics
The 2s complement of 17 is

 101110.
 111110.
  101111.
 110001.

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Digital Electronics
How many entries will be in the truth table of a 3 input NAND gate ?

 8
 6
 3
 9

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