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Personal Digital Devices C


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Portable computer
Designed to allow the user to use the computer on the move, e.g. laptop, notebook, netbook and PDA.
Primary storage
Built-in storage designed to be directly accessed by the central processing unit (CPU).
RAID (redundant array of inexpensive disks)
A hard disk drive where data is written on to lots of disks at the same time. If one disk gets damaged, data can be accessed from another disk.
Ripping
The process of copying audio or video content to a hard disk drive, typically from removable media such as a CD.
Sat nav
A device, usually used in a car, that gives directions based on information received from a series of satellites.
SD and SDHC cards
Secure Digital (SD) cards are one type of flash memory card which store up to 2 GB of data. Secure Digital High Capacity (SDHC) cards are another type of flash memory and they are ideal for video cameras because they can store up to 32 GB of data.
Smart phone
A phone offering advanced features, e.g. the ability to send emails, surf the Internet.
Upload
Transfer a file from your computer to a central computer, e.g. your ISP.
USB (Universal Serial Bus)
A standard method of connecting devices such as keyboards and printers to a computer.
User interface
The way in which a user interacts with a system such as a computer or mobile phone, e.g. keypad, screens, menu and icons.