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Digital Electronics

Digital Electronics
The inputs of a NAND gate are connected together. The resulting circuit is ___________.

None of these
AND gate
OR gate
NOT gate

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 0. The gate is either

 an OR or an X-OR
 an OR or an X-NOR
 an AND or a NOR
 a NAND or an X-OR

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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

 65,536
 32,767
 32
 32,768

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Digital Electronics
The decimal equivalent of hexadecimal number “BEED” is

 none
 47,877
 48,877
 48,777

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Digital Electronics
Which number system has a base of 16

 Octal
 None
 Decimal
 Hexadecimal

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

  Modem.
 Microwave systems.
 Coaxial cables.
 Telephone lines.

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