Electronics and Communication Engineering - Digital Electronics

1.
Consider the following statements: A multiplier
  1. selects one of the several inputs and steers it to the output
  2. routes the data from a single input to many outputs
  3. converts parallel data into serial data
  4. is a combinational circuit
On the above statements which are correct?
1, 2, 4
2, 3, 4
1, 3, 4
1, 2, 3
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
In the full adder, denoting Sum by S and carry by C
S = 1 when two or more inputs are unity
C = 1 when two or more inputs are unity
C = 1 when all the inputs are unity
S = 1 when all the inputs are unity
Answer: Option
Explanation:
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3.
Each term in POS form is called max terms.
True
False
Answer: Option
Explanation:
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4.
When signed numbers are used in binary arithmetic, which of the following has unique representation for zero?
Sign-magnitude
1's complement
2's complement
9's complement
Answer: Option
Explanation:
No answer description is available. Let's discuss.

5.
Which of the following characteristics is not true for TTL Logic?
Good speed
Low power dissipation per gate
High cost
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.