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Digital Electronics

Digital Electronics
What is the minimum number of 2 input NAND gates used to perform the function of 2 input OR gate

 1
 2
 3
 4

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Digital Electronics
What will be the Boolean expression for an inverter logic gate, where input is A and output is G ?

 G = A
 G = Ā
 A= G
None of these

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Digital Electronics
Number of 2 input multiplexers need to construct a 210 inputs multiplexer is _________

 9
 1023
 129
 32

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Digital Electronics
The NAND gate is AND gate followed by ___________.

AND gate
None of these
NOT gate
OR gate

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Digital Electronics
Which of the following BCD codes with an odd parity bit included in the end of code group, have error in the code? (I)1001010110000 (II)0100011101100 (III)0111110000011 (IV)1000011000101

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

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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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