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Digital Electronics

Digital Electronics
Which of the following is known as a mod-2 adder?

 NAND gate
 NOR gate
 X-NOR gate
 X-OR gate

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Digital Electronics
To get an excess-3 code from BCD code

 0110 is subtracted
 0011 is added
 0011 is subtracted
 0110 is added

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Digital Electronics
(44)8 in BCD 8421 code is

 01100011
 00110110
 00100100
 01000100

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Digital Electronics
When an input signal 1 is applied to a NOT gate, the output is ___________.

Either 0 & 1
None of these
1

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Digital Electronics
The decimal number 0.246 in binary is

 0.010111
 0.001111
 0.001101
 0.011011

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Digital Electronics
A bubbled NOR gate is equivalent to a

 NAND gate
 X-OR gate
 AND gate
 NOR gate

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