Chapter 1

Chapter 1

1. Input and Output Devices

   • Input Devices are what are used to input data into a computer system or to give to a command.
     • These Include: Keyboards, Mice, Webcams etc.
   • Output Devices are used to show the end result of a command on a computer system
     • These Include: Printers, Monitors, Speakers etc.

2. Communication Devices

   • These are devices that communicate to other computer systems
     • They include: Modem, NIC, Hub, Routers and Switches, USB Interface

3. Instant Messaging

   • Features include: Participants getting an instant reply and conversations are held in real time. As well as this there are possible features of using a webcam or microphone.

4. Networking and Networked Storage Devices

   • Networks are used to connect ICT systems so that data can be shared across them. In order for ICT systems to connect computers they need to have a network interface card. The hardware components include: routers hubs and repeaters. The main example of a world wide network is the internet.