SU 4 – Introduction to a computerised
environment
Information Technology (IT)
What is information technology?
Computers
Software
Data
Storage
What do we use IT for?
To manage, store, process and transmit data and information in a digital
manner.
IT concepts
What is a network?
Where two or more computers are connected on either one or multiple
locations
How can these computers be connected?
Cabling
Wireless connections
Internet
Different types of networks:
Local Area Network (LAN)
Wide Area Network (WAN)
Virtual Private Network (VPN)
What is software?
The program that gives instructions to computers to perform tasks
Different types of software:
1. System Software Application Software
Operating system that runs in the background
Instructs hardware on how to run a specific application
E.g. Microsoft Windows, Mac iOS
2. Application software
Performs specific functions as required by the user
Requires system software to operate
environment
Information Technology (IT)
What is information technology?
Computers
Software
Data
Storage
What do we use IT for?
To manage, store, process and transmit data and information in a digital
manner.
IT concepts
What is a network?
Where two or more computers are connected on either one or multiple
locations
How can these computers be connected?
Cabling
Wireless connections
Internet
Different types of networks:
Local Area Network (LAN)
Wide Area Network (WAN)
Virtual Private Network (VPN)
What is software?
The program that gives instructions to computers to perform tasks
Different types of software:
1. System Software Application Software
Operating system that runs in the background
Instructs hardware on how to run a specific application
E.g. Microsoft Windows, Mac iOS
2. Application software
Performs specific functions as required by the user
Requires system software to operate
