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Computer Science and Engineering multiple choice questions and answers set contain 5 Computer Architecture & Organization mcqs on digital components. Each quiz objective question has 4 options as possible answers. Choose your option and check it with the given correct answer.
(6)
Which of the following is not a universal building block ?
[A]
2 input NAND gate
[B]
L3 input NAND gate
[C]
2 input XOR gate
[D]
None of the above
Comment
(7)
CARRY, in half adder, can be obtained using
[A]
EX-OR gate
[B]
AND gate
[C]
OR-gate
[D]
EX-NOR gate
Comment
Answer: Option [B]
Half adder is constructed using AND operation.
(8)
A NAND gate has inputs A and B. It's output is connected to the both of the inputs of another NAND gate. An equivalent gate for these two NAND gates is
[A]
OR gate
[B]
AND gate
[C]
NOR gate
[D]
XOR gate
Comment
(9)
The operation which commutative but not associative is
[A]
AND
[B]
OR
[C]
XOR
[D]
NAND
Comment
(10)
In which of the following gates, the output is 1 if and only if at least one input is 1?
[A]
OR
[B]
NOR
[C]
AND
[D]
NAND
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