CAT Grade 10 – Term 2 Study Notes
1. Computer Hardware
Hardware is anything you can physically touch.
Input Devices (putting data into the computer):
1 Keyboard
2 Mouse
3 Scanner
4 Microphone
5 Webcam
Output Devices (getting data out):
1 Monitor
2 Printer
3 Speakers
4 Headphones
Storage Devices (saving files):
1 HDD
2 SSD
3 Flash drive
4 Memory card
CPU (brain of the computer): ALU (calculations) and Control Unit (controls operations)
2. Software
Software tells the hardware what to do.
System Software:
1 Operating systems (Windows, macOS, Linux)
2 Antivirus
3 Utilities
Application Software:
1 Word processors
2 Spreadsheets
3 Presentation software
3. Internet & Networking
The internet connects computers worldwide.
1 Website = full site
2 Webpage = one page
3 URL = address
1. Computer Hardware
Hardware is anything you can physically touch.
Input Devices (putting data into the computer):
1 Keyboard
2 Mouse
3 Scanner
4 Microphone
5 Webcam
Output Devices (getting data out):
1 Monitor
2 Printer
3 Speakers
4 Headphones
Storage Devices (saving files):
1 HDD
2 SSD
3 Flash drive
4 Memory card
CPU (brain of the computer): ALU (calculations) and Control Unit (controls operations)
2. Software
Software tells the hardware what to do.
System Software:
1 Operating systems (Windows, macOS, Linux)
2 Antivirus
3 Utilities
Application Software:
1 Word processors
2 Spreadsheets
3 Presentation software
3. Internet & Networking
The internet connects computers worldwide.
1 Website = full site
2 Webpage = one page
3 URL = address
