Overview of a computer
Presentation
•
Computers
•
9th Grade
•
Practice Problem
•
Medium
Pam Mac Millan
Used 2+ times
FREE Resource
19 Slides • 11 Questions
1
This section gives an overview of a computer system and an introduction to
Software and Hardware
When studying theory, you need to make your own summaries:
● Definition or description (What is it?)
● Function (What it does?)
● Advantages and disadvantages (If relevant)
● Examples (if relevant)
Summaries should be written - hand brain coordination is important.
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Hardware and Software
Hardware - all the physical components
that you can see and touch in a
computer system.
Examples: Printer, screen, portable
drive
Software - general term covering
computer programs.
Consists of application software and
system software.
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System & Application Software
4
Multiple Choice
A 3D printer is an example of
Software
Hardware
Internal CPU component
5
Multiple Select
Examples of software are (there is more than one correct answer)
MS Word
Flash drive
Smartphone
BlackBoard
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Fill in the Blanks
Windows 11 is an example of _ software
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Data
Information
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Hardware is
categorised into:
● Input
● Storage
● Processing
● Output
● Communication
https://www.computerhope.com/jargon/d/desktopc.htm
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Data and Information
https://byjus.com/biology/difference-between-data-and-information/
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Example of data vs information
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Fill in the Blanks
Test marks are an example of _
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Fill in the Blanks
The average of a class is an example of _
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Processing
Motherboard
● Large printed circuit
board that houses
(connects) all the
electronic components
of device
● Links CPU, RAM,
peripherals
https://pxhere.com/en/photo/1165248
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Multiple Choice
Answer True or False: The CPU is the large printed circuit board that houses (connects) all the electronic components of device
False
True
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The General Processing Cycle
Main hardware components are:
● Central Processing Unit (CPU) - processor that does all the processing of instructions
● Random Access Memory (RAM)
○ Stores instructions and data for CPU
○ Data is not stored permanently
● Input devices e.g. keyboard
● Output devices e.g. screen
● Secondary storage e.g. hard drive
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Input and Output devices
Output devices
Input devices
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Input devices
A few examples
● Keyboard
● Mouse
● Scanners
● Barcode scanners
● QR code scanners
● Biometric input
● Microphones
● Sensors
https://medium.com/@tryeducationtypes/what-is-an-input-device-types-
of-input-devices-a2ac2431637e
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Output Devices
Any device that receives
information from the computer
Some devices are input and output
e.g.
touch screen
Multifunction printer
Headsets - microphone (input)
and speakers (Output)
A few examples:
-Monitors
-Printers
-Speakers
-Headphones
-
-
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Multiple Select
The following are examples of input devices (There is more than one correct answer)
Temperature sensor
Touchpad
3D printer
Headset
Monitor
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Multiple Select
The following are examples of output devices (There is more than one correct answer)
Temperature sensor
Touchpad
3D printer
Headset
Monitor
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Ports
Connect the device to the
motherboard
● Universal Serial Bus
(USB) port
○ Mice, keyboard,
flash drives, etc
● High Definition
Multimedia Interface
(HDMI) port
○ Video and audio
https://pxhere.com/en/photo/1165248
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Multiple Choice
Answer True of False: A flash drive can also be called a USB
False
True
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24
Fill in the Blanks
RAM is an example of _ memory
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Secondary Storage
examples.
Hard drives
- Inside computer case
- Stored user’s programs and
data permanentl
- Mechanical (HDD)
- Magnetic
- Read-write head
- Solid State (SDD)
- Electronic circuits
- Faster, more reliable,
more expensive than HDD
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27
Fill in the Blanks
A flash drive is an example of _ memory.
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https://www.tutorialsmate.com/2020/04/advantages-and-disadvantages-of-computer.html
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Credits
Presentation Template: SlidesMania
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Free themes and templates for
Google Slides or PowerPoint
NOT to be sold as is or modified!
Read FAQon slidesmania.com
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This section gives an overview of a computer system and an introduction to
Software and Hardware
When studying theory, you need to make your own summaries:
● Definition or description (What is it?)
● Function (What it does?)
● Advantages and disadvantages (If relevant)
● Examples (if relevant)
Summaries should be written - hand brain coordination is important.
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