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Digital Electronics

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

 Microwave systems.
  Modem.
 Telephone lines.
 Coaxial cables.

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Digital Electronics
How the digital signals is transmitted through a single conductor ?

 Analog
 Parallel
 Serial
None of these

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Digital Electronics
Which GATE IS CALLED INEQUALITY COMPARATOR?

 4. NOT
 2. AND
 1. NOR
 3. XOR

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Digital Electronics
Combinations that are not listed for the input variables are

 Don't Care
 Carry
 Overflow
 Borrow

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Digital Electronics
11001, 1001 and 111001 correspond to the 2’scomplement representation of the following set of numbers

 25, 9 and 57 respectively
 -25, -9 and -57 respectively
 -6, -6 and -6 respectively
 -7, -7 and -7 respectively

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Digital Electronics
AND-OR realization of a combinational circuit is equivalent to

 NAND-NAND realization
 NOR-NAND realization
 NAND-NOR realization
 NOR-NOR realization

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