Logic Gates
Presentation
•
Computers
•
8th Grade
•
Practice Problem
•
Hard
Wessam Yehia
FREE Resource
15 Slides • 14 Questions
1
2
3
Open Ended
How do these devices *know* what to do and when to do it?
4
5
Multiple Choice
What is the two-state system that computers understand?
Binary
Decimal
Hexadecimal
Octal
6
7
Open Ended
What is a Logic Gate and how does it function in digital circuits?
8
9
Multiple Choice
What conditions must be met for the automatic greenhouse watering system to turn on?
The soil must be wet and the temperature is cold.
The soil must be dry and the temperature is hot.
The soil must be dry and the temperature is cold.
The soil must be wet and the temperature is hot.
10
11
Multiple Choice
What is the output of the OR gate when both inputs are OFF?
1 (ON)
0 (OFF)
1 (ON) if either input is ON
0 (OFF) if both inputs are ON
12
13
Multiple Choice
What is the function of a NOT gate in a backup power system?
It turns ON when main power is available
It inverts the signal
It provides constant power
It connects multiple inputs
14
15
Multiple Choice
Match the real-world problem to the logic gate that solves it: 1. A security alarm triggers if it is nighttime AND it detects movement. 2. A car alarm sounds if the driver's door OR the trunk is opened. 3. A cooling fan turns on when the room is NOT cool.
AND
OR
NOT
NAND
16
17
Multiple Choice
What is the role of the output of one gate in a circuit?
It becomes the input for the next gate
It is discarded
It is the final output
It is used for storage
18
19
Multiple Choice
What conditions must be met for the washing machine to start?
The start button is pressed
The timer is on
The machine is full of washing
All of the above
20
21
Multiple Choice
What is the output Q when Input A is 1, Input B is 1, and Input C is 1?
0
1
2
3
22
23
Multiple Choice
What conditions must be met for the wildlife camera to take a picture?
Only motion sensor is triggered
Only proximity sensor is triggered
Either motion or proximity sensor is triggered and it is daylight
None of the above
24
25
Fill in the Blanks
Type answer...
26
27
28
Multiple Choice
What are the three components that make up the language of digital systems?
Binary
Logic Gates
Circuits
Analog Signals
29
Poll
How confident do you feel about this topic now?
Show answer
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