Logic Gates
- 1.
What are logic gates?
- A.
Pieces of hardware that perform operations on bits
- B.
Software that allow editing of information
- C.
Pieces of hardware that provide storage space
Correct Answer
A. Pieces of hardware that perform operations on bits -
- 2.
Why logic gates are used within the computer system?
- A.
To store data permanently
- B.
To carry out the instructions
- C.
To provide arithmetic and logical operations
- D.
All of the above
Correct Answer
C. To provide arithmetic and logical operations -
- 3.
In logic, bits are represented as:
- A.
1: False 1: False 0: True
- B.
0: False 1: True
- C.
0: True 1: True
Correct Answer
B. 0: False 1: True -
- 4.
Types of logic gates:
- A.
NOT, AND, OR
- B.
NOT, AND
- C.
NOT, OR
- D.
NOT, OR, NAND
Correct Answer
A. NOT, AND, OR -
- 5.
Each logic gate function is described by:
- A.
Its symbol
- B.
Possible inputs
- C.
A truth table
- D.
All the above
Correct Answer
C. A truth table -
- 6.
This table lists every possible combination of input and equivalent output:
- A.
Binary Table
- B.
Truth Table
- C.
Logic Table
- D.
False Table
Correct Answer
B. Truth Table -
- 7.
Not gate is also known as:
- A.
Simple NOT
- B.
Inclusive NOT
- C.
An inverter
- D.
Non of the above
Correct Answer
C. An inverter -
- 8.
What is the function of a NOT gate?
- A.
The output is always 0 (false)
- B.
The output is always 1 (True)
- C.
The output is the inverse of its input
- D.
None of the above
Correct Answer
C. The output is the inverse of its input -
- 9.
The Boolean expression of NOT gate is X = NOT A
- A.
True
- B.
False
Correct Answer
A. True -
- 10.
The Boolean expression of OR gate is
- A.
X = A.B
- B.
X = A OR B
- C.
OR = A + B
Correct Answer
C. OR = A + B -
- 11.
The Boolean expression of AND gate is
- A.
X = A.B
- B.
X=A+B
- C.
X = A – B
Correct Answer
A. X = A.B -
- 12.
Which logic gate produces an output that is the inverse of the input
- A.
AND
- B.
OR
- C.
NOT
Correct Answer
C. NOT -
- 13.
Which logic gate produces an output 1 when both inputs are 1?
- A.
AND
- B.
OR
- C.
NOT
Correct Answer
A. AND -
- 14.
Which logic gate produces an output 1 when any inputs are 1?
- A.
AND
- B.
OR
- C.
NOT
Correct Answer
B. OR -
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Current Version
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Jan 23, 2013Quiz Edited by
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Mar 23, 2011Quiz Created by
Silm
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