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Digital Electronics

Digital Electronics
Which of the following is not a transmission medium?

  Modem.
 Coaxial cables.
 Telephone lines.
 Microwave systems.

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Digital Electronics
An 8 × 4 ROM contains a decoder of size

 8 × 8
 3 × 4
 8 × 4
 3 × 8

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Digital Electronics
10’s complement of 63325600 is

 36674400
 633256600
 36774400
 366744399

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

None of these
1
Either 0 & 1

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Digital Electronics
X = 01110 and Y = 11001 are two 5-bit binary numbers represented in 2’s complement format. The sum of X and Y in 2’s complement format using 6 bits is

 0001111
 001000
 101001
 100111

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Digital Electronics
What is the gray code for the binary 101011?

 011111
 110101
 111110
 101011

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