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Digital Electronics

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

 8
 6
 9
 3

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Digital Electronics
Which is typically the longest: bit,byte,nibble,word?

 byte
 bit
 word
 nibble

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Digital Electronics
A 15-bit Hamming code requires

 15 parity bits
 4 parity bits
 none of these.
 5 parity bits

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

 NAND
 NOR
 AND
 X-NOR

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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

  5.85 mV.
  6 mV.
 10 mV.
 5 mV.

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Digital Electronics
A system has following negative numbers stored in binary form as shown. The wrongly stored number is

 -48 as 11101000
 -89 as 10100111
 -37 as 11011011
 -32 as 11100000

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