It stands for carbon copy field. This address in the CC field will recieve an idential copy of the message.
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What doe Bcc mean in an email?
It sends an idetical copy of the message but the adress is hidden from the person recieving the email.
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What is a peripheral device?
An external device that is not a part of a computer. e.g. a scanner or printer
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Describe Wi-Fi
This allows users to work without cables, The disadvantage of this is that interference can affect the quality of the signal.
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Describe wired networks
This is faster and more secure, however, it can only be accessed from a specific location
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Describe twisted-pair cables
This is the most common cable, often called Ethernet cabling.
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Describe coaxial cables
This is better at resisting interference and can be run for longer lengths.
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Describe fibre optic cables
This has a central core made of glass and transmit signals using light. They are faster and can be used outside but are more expensive.
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What is a hub?
Hubs are devices that connects multiple computers together on a network. This allows data to be shared.
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What is a router?
Routers allow one or more LANs to connect to a WAN. It joins networks and sends the incoming and outgoing data to the correct places.
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What does HTML stand for?
HyperText Mark-up Language is the standard language for writing web pages
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What is VoIP?
Voice over Internet Protocol) is used when communicating by voice over internet.
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What does topology mean?
The word describes the layout, shape or arrangement of a network
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What is a ring network?
When computers a re connected in a circle by a cable. Messages are carried from one computer to another. This means that if one computer in the network fails, the whole network fails.
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What is a bus network?
When computers are connected in a straight line using a cable, known as a backbone. However, only one computer can use the backbone to send messages at a time, so it can be slow.
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What is a mesh network?
When every computer is connected to every other computer.
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What is a wireless network?
Radio waves and Wi-Fi technology is used to transmit data, rather than cables.
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What is a star network?
All the computers can be attached to a server through a switch
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What is PAN?
-Personal Area Network -only has a range of a few metres
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What is LAN?
-Local Area Network -Covers a small area such as a house or company site, using an Ethernet or Wi-Fi connection
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What is WAN?
-Wide Area Network -Covers a vroad area
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What is Ethernet?
A system for connecting a LAN that uses protocols.
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What is a database server?
This stores all of a company's data on one server so clients can access data without having to store it themselves. This speeds up access to data and allows data to be backed up and protected from viruses.
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Define bandwidth
The range of frequencies that are used for transmitting a signal.
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Define GSM
-Global System for Movile Communications allows phones to be used in another country (roaming)
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What is the Computer Misue Act 1990?
To prevent unauthorized access to computers- hacking.
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Other cards in this set
Card 2
Front
What does Cc mean in an email?
Back
It stands for carbon copy field. This address in the CC field will recieve an idential copy of the message.
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