Chapter 1 ict

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  • Created by: sha
  • Created on: 15-04-15 13:18
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  • Chapter 1: Hardware
    • Theatre's network
      • LAN - Local area network
      • OCER LAN Diagram
    • Networking Hardware
      • Server
        • Central repository of data & programs
        • Types of server
          • File Server
            • To store & provide files to the user
          • Web Sever
            • Uploads & distributes web pages with their linked files to the internet
          • Database Server
            • Provides database services to other computer users & programs
        • Provides services for network users
      • Backup Storage
        • Data must be backed up regularly & stored securely
        • Can be backed up on removable storage devices or cloud storage
      • Firewall
        • Protects network from intrusion
        • Data passing through is check against a set of rules
      • Printers
        • Can be standalone
        • Likely to be connected to LAN so can be shared
      • Network infrastructure
        • To join computers & peripherals together
        • Ethernet cabling
        • Fibre-optic cabling
    • Commuinication Devices
      • Network Interface Card
        • Connects computer to internet
      • Hub
        • Connects devices to share files & connection
      • Switch
        • Similar to hubs bur data can be transferred to a specific destination
      • Wi-Fi Router
        • A wireless point that provides network access in range of Wi-Fi devices
    • Point of Sale (POS or EPOS)System
      • Calculates amount owed by customer & provides options for payment
      • Connected to central computer to automatically update OCER's databse
      • Hardware used
        • Barcode Scanner
        • Chip & Pin type card readers
        • Customer Displays
        • Keyboards or Touchscreen
        • Printers for recipets
        • EPOS Processor Unit

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