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Digital Electronics

Digital Electronics
The output of a gate is LOW when at least one of its inputs is HIGH. This is true for

 NAND
 AND
 NOR
 OR

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

 3 × 4
 8 × 8
 3 × 8
 8 × 4

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Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 0 and 4
 1 and 3
 0 and 3
 1 and 4

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Digital Electronics
Which GATE IS CALLED INEQUALITY COMPARATOR?

 2. AND
 4. NOT
 3. XOR
 1. NOR

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Digital Electronics
When will be the output of an AND gate is HIGH if there are three inputs, A, B, and C ?

 A = 1, B = 0, C = 1
 A = 1, B = 1, C = 1
 A = 0, B = 0, C = 0
 A = 1, B = 1, C = 0

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Digital Electronics
The 2s complement of 17 is

 110001.
 101110.
  101111.
 111110.

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