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Digital Electronics

Digital Electronics
What logic function is produced by adding inverters to the inputs of an OR gate?

 X-NOR
 NOR
 NAND
 AND

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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
When two n-bit binary numbers are added then the sum will contain at most

 n-bit
 (n + 2)-bit
 (n + 1)-bit
 (n + n)-bit

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

 Microwave systems.
 Coaxial cables.
 Telephone lines.
  Modem.

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Digital Electronics
The largest positive number that can be stored in a computer that has 16-bit word length and uses two’s complement arithmetic is

 32,768
 32,767
 65,536
 32

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Digital Electronics
In the boolean algebra, a variable has ________ different state(s)/value(s).

 1
 4
 3
 2

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