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Digital Electronics

Digital Electronics
Which of the following represents (E3)16 ?

 (1BC)16-(DE)16
 (200)16-(11D)16
 (1CE)16+(A2)16
 (2BC)16-(1DE)16

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Digital Electronics
What is the difference between xor gate and exor gate.

 xor gives two outputs while exor gives one
 xor and exor are complement of each other
 xor gives one output while exor gives two
 both are same

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

OR gate
None of these
NOT gate
AND gate

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Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 1 and 4
 0 and 3
 1 and 3
 0 and 4

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Digital Electronics
Why decoder is used in the digital electronics ?

None of these
 It is used to separate address bus and data bus
 To convert coded information into non coded form
 To convert non coded information into coded form

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Digital Electronics
The 7-bit Hamming code is used to transmit

 no data bits
 7 data bits
 3 data bits
 4 data bits

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