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Digital Electronics

Digital Electronics
How many bits are required to store one BCD digit ?

 4
 3
 1
 2

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

 6
 3
 9
 8

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Digital Electronics
Excess-3 code is known as

Self-complementing code
Cyclic redundancy code
Algebraic code
Weighted code

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

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

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Digital Electronics
Which one of the following even parity codes are in errors. (I)100110010 (II)011101010 (III)10111111010001010

 Only (III)
 Only (II)
 Both (I)&(III)
 Both (II)&(III)

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Digital Electronics
What logic function is produced by adding an inverter to each input and output of an AND gate?

 NOR
 NAND
 OR
 X-OR

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