
Understanding Logic Gates
Quiz
•
Computers
•
8th Grade
•
Practice Problem
•
Medium
Ubah Williams
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of an AND gate?
The function of an AND gate is to output true regardless of the input values.
The function of an AND gate is to output true only when all inputs are true.
The function of an AND gate is to output false only when all inputs are false.
The function of an AND gate is to output true when at least one input is true.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does an OR gate operate?
An OR gate outputs false if at least one input is true.
An OR gate outputs true if at least one input is true.
An OR gate has no effect on the output regardless of the inputs.
An OR gate outputs true only if both inputs are true.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the output of a NOT gate when the input is true?
null
undefined
false
true
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Draw the symbol for an AND gate.
A circle with two inputs and two outputs
The symbol for an AND gate is a flat-ended shape with two inputs on the left and one output on the right.
A square with three inputs and no output
A triangle with one input and one output
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Draw the symbol for an OR gate.
A straight line with two inputs on either end.
The symbol for an OR gate is a curved shape with two inputs on the left and one output on the right.
A square shape with one input and two outputs.
A triangle shape with three inputs and no output.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Draw the symbol for a NOT gate.
A triangle pointing right with a small circle at the tip.
A square with a line through it.
A circle with two lines extending from it.
A triangle pointing left with no circle.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the truth table for an AND gate?
| A | B | Output | |---|---|--------| | 0 | 0 | 1 | | 0 | 1 | 1 | | 1 | 0 | 1 | | 1 | 1 | 0 |
| A | B | Output | |---|---|--------| | 0 | 0 | 0 | | 0 | 1 | 0 | | 1 | 0 | 0 | | 1 | 1 | 1 |
| A | B | Output | |---|---|--------| | 0 | 0 | 0 | | 0 | 1 | 1 | | 1 | 0 | 0 | | 1 | 1 | 1 |
| A | B | Output | |---|---|--------| | 0 | 0 | 0 | | 0 | 1 | 0 | | 1 | 0 | 1 | | 1 | 1 | 1 |
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