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Digital Electronics

Digital Electronics
Which one of the following is 2’s complement of -68?

 01111100
 00111100
 11000100
 10111100

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

 Coaxial cables.
  Modem.
 Microwave systems.
 Telephone lines.

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Digital Electronics
Which one of the following even parity codes are in errors. (I)100110010 (II)011101010 (III)10111111010001010

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

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Digital Electronics
If a Hexadecimal number needs to convert to binary. For each hexadecimal digit, there will be how many bits

 8
 2
 1
 4

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Digital Electronics
Simplified form of the function f = (x+y+xy)(x+z)

 x+y
 y+xz
 x+yz
 x+xyz

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Digital Electronics
In Digital Logic Designs, GAL is abbreviated as

 General Advance Logic
 Generic Advance Logic
 General Array Logic
 Generic Array Logic

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