1.1 DEVELOPMENT OF INFORMATION TECHNOLOGY
DEFINITION:
Information technology or IT can be defined briefly as the use of computer hardware and software to store, retrieve, and manipulate information.
STAND ALONE:
- A desktop or laptop computer that is used on its own without requiring a connection to a network.
- A large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously.
CLIENT SERVER NETWORK:
- An architecture in which the user's PC (the client) is the requesting machine and the server is the supplying machine, both are connected via a network such as the Internet.
DISTRIBUTED COMPUTING:
- A type of computing which different components and object comprising an application can be located on different computers connected to a network.
CLOUD COMPUTING:
- An Internet service that provides computing needs to computer users.
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