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Digital Electronics

Digital Electronics
9’s complement of 52784630 is

 48225469
 57316379
 47215369
 58326479

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Digital Electronics
A self-complementing code for the decimal digits is created using the weight 4 4 3 -2. The value of 8592 in the code is

 1000 0101 1001 0010
 1100 1011 1111 1001
 1100 1001 1111 1000
 1100 0111 1111 0011

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Digital Electronics
When will be the output of an AND gate is HIGH if there are three inputs, A, B, and C ?

 A = 1, B = 0, C = 1
 A = 1, B = 1, C = 1
 A = 1, B = 1, C = 0
 A = 0, B = 0, C = 0

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Digital Electronics
How many output is high of NOR GATE ?

 3
 2
 1
 4

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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.
 5 mV.
 10 mV.
  6 mV.

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Digital Electronics
Minimization of logical expressions while designing digital systems helps in reducing

 power requirements
All of these
 cost
 space requirements

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