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Digital Electronics

Digital Electronics
A Nibble is equal to ________ bit(s)

 2
 4
 8
 1

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Digital Electronics
2-out-of-5 code is

 weighted code
 alphanumeric code
 non-weighted code
 self-complementing code

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Digital Electronics
The only function of NOT gate is to ___________.

Act as a universal gate
Invert input signal
Stop signal
None of these

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Digital Electronics
When will be the output of an OR gate is LOW ?

 When any input is HIGH
 When all input is LOW
 When any input is LOW
 When all inputs are HIGH

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Digital Electronics
The binary number 10101 is equivalent to decimal number ___________.

27
12
21
19

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Digital Electronics
11001, 1001 and 111001 correspond to the 2’scomplement representation of the following set of numbers

 25, 9 and 57 respectively
 -7, -7 and -7 respectively
 -25, -9 and -57 respectively
 -6, -6 and -6 respectively

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