ICT Revision

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Bluetooth
Bluetooth is the name given to a radio technology which allows signals to be transmitted wirelessly over short distances between telephones, computers and devices.
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Byte
Computer storage space is measured in bytes. This is the basis of sizing all types of memory from the most humble microprocessor in a washing machine to the most gigantic supercomputers. A byte is a series of 8 bits. One character on a keyboard is a
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Database
A database enables the effective storage of data in a logical and structured way. - Databases can be computerised or paper-based. - A large collection of data items and links between them, structured in a way that allows it to be accessed by a number
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Daughter Board
Refers to any electronic board that is plugged into a larger circuit board called the 'motherboard'. For example a sound card is a 'daughter board' because it is plugged into the motherboard inside the system box of a personal computer.
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Field
A field is a single piece of data about one person or one thing. Many fields make up a record. A field is usually a single column within a multi-column table.
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File
In computer terms, a 'file' is a chunk of data that is treated as a single item by the operating system. A file is given a name. For example MYDOCUMENT.DOC The name is used by the operating system to store and fetch the file. This one happens to be s
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Filter
A filter removes or hides unwanted items. An e-mail filter will try to recognise spam emails and will store them in a seperate mail box from you main emails. A filter in a program such as a database can be used to display the records that match a cri
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GigaByte (GB)
A Gigabyte is a measurement of computer memory capacity. It is equivalent to 1024 Megabytes although you will commonly see it referred to as 1,000 Megabytes (which isn't correct).
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Internet
The Internet (or "The Net") is a computer network that connects computers worldwide. The Internet is made up of many smaller computer networks. These networks send and get messages using a standard Internet Protocol (IP). A protocol is like a languag
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Nibble
The name given to 4 bits or half a byte.
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Paper Based Database
The definition of a database is a collection of data which is stored in a logical, structured and orderly manner. Most people tend to think that databases are all computerised. However, many databases can also be held on paper. For example the Phone
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Record
A database term. A record is all of the data about one person or one thing. A record is made up of one or more 'fields'. For example a name and address database could have one record such as this: "Joe Blogs", "34 Wyvern Road" , "Manchester", "UK", "
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Server
A server is a networked computer that is providing a specific service to other computers on the network
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Tchnology
This is the application of science and engineering knowledge to produce products and services. Sometimes technology is split into two descriptions: 'Hi-Tech' is used to indicate a product that uses the latest ideas and knowledge. For example, Blu-Ray
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Other cards in this set

Card 2

Front

Computer storage space is measured in bytes. This is the basis of sizing all types of memory from the most humble microprocessor in a washing machine to the most gigantic supercomputers. A byte is a series of 8 bits. One character on a keyboard is a

Back

Byte

Card 3

Front

A database enables the effective storage of data in a logical and structured way. - Databases can be computerised or paper-based. - A large collection of data items and links between them, structured in a way that allows it to be accessed by a number

Back

Preview of the back of card 3

Card 4

Front

Refers to any electronic board that is plugged into a larger circuit board called the 'motherboard'. For example a sound card is a 'daughter board' because it is plugged into the motherboard inside the system box of a personal computer.

Back

Preview of the back of card 4

Card 5

Front

A field is a single piece of data about one person or one thing. Many fields make up a record. A field is usually a single column within a multi-column table.

Back

Preview of the back of card 5
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