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Criado por Dean Whittle
mais de 8 anos atrás
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Questão | Responda |
BIOS | Basic In Out System |
ROM | Read only memory |
Where the operating system is stored | Secondary storage / Hard disk |
What does the BIOS do? | check hardware such as memory chips and then load and run the operating system |
Where the BIOS is stored | ROM |
Boot error | When the computer cant find an operating system |
Logging on | The process of identifying yourself to a computer system using a user name and password. |
Logging out | The process of exiting a computer system. |
Username | Used to identify the user |
Password | Used to confirm the identity of the user. |
LAN (Meaning and description) | Local area network, over a small area usually one building |
WAN (meaning and description) | Wide area network, a network over a large geographical area usually connected by the internet. |
Advantages of a network | Share files share hardware share software Share internet connection |
Disadvantages of a network | Security issues for files (viruses and hackers) Can be complicated to maintain need expertise to set up Viruses can spread easily |
Name 3 topologies | Bus network Ring network star network Peer to peer network |
Description of a star network | In a star network, all the computers and peripherals are connected to a central device so that each has its own cable connection: |
Description of a peer to peer network | The computers all connect to one another with no central server. |
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