unit 1 and 2 revision

unit 1 and 2 revision

1. unit 2

2. unit 1

   • networks
     • wan
       • wide area network
         • A computer network that spans a relatively large geographical area. Typically, a WAN consists of two or more local-area networks (LANs).
     • lan
       • local area network
         • A local-area network (LAN) is a computer network that spans a relatively small area.
     • wpan
       • wireless personal area network
         • A wireless personal area network (WPAN) is a personal, short distance area wireless network for interconnecting devices centered around an individual person's workspace.
   • connection types
     • bluetooth
       • Bluetooth, the wireless technology that enables you to create a wireless connection between two devices, is more useful than you might think.
     • wifi
       • Search Results Featured snippet from the web Image result for what is wifi ccm.net The term WiFi stands for Wireless Fidelity, but really just means wireless internet.
     • ehternet
       • Ethernet is a way of connecting computers together in a local area network or LAN.
     • GPRS
       • General Packet Radio Service
         • General Packet Radio System is also known as GPRS is a third-generation step toward internet access.