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The part of the computer that processes the image. If you intend doing a lot of image manipulation buy a computer with at least 32Mb or RAM, but ideally with 128Mb or more.

Related Terms

Computer memory that is used to run the computer’s operating system and software programs. The software program indicates how much memory is needed to run it on the box or in its instruction leaflet. This figure is on top of what’s needed to run the operating system.
A plug-in chip that contains (part of) a computer's internal memory or RAM.
Standard type of memory chip used in computers.
A type of memory that can hold data without needing power. It's used in SmartMedia and CompactFlash cards so photographs are safely stored when the camera is switched off.
Most digital cameras have a slot that takes a removable memory card such as MemoryStick, SmartMedia or CompactFlash. The camera uses this card to store pictures. Several sizes can be purchased from 2Mb to up to 1Gb depending on the make and type.
Digital memory used in computers that cannot be overwritten. Many of the basic operating system controls are factory installed in the ROM and cannot be accidentally erased.
Type of computer memory chip that can be increased by the user. It has now been superceded by Dimms.
Stands for Personal Computer Memory Card International Association - a group of 25 companies in 1989 who set worldwide standards for compact removable memory cards. These included Type I, II and III cards and were used to store images in a professionally specified camera or add extra functions to a computer. They have largely been superceded by the much smaller CompactFlash and an adaptor is available for older cameras to take the newer cards.
A button or lever on the camera or exposure meter used to lock the automatically measured light reading into a memory while you recompose.This is ideal for backlit subjects because you can move closer to the subject, take a reading without any background in the view, lock the exposure and move back to the original position to take the photo.It's also fine for landscapes when there's an expanse of bright sky. Point the camera down to the ground, lock the exposure, recompose and shoot.Use this to bias the exposure to one area of the scene or to maintain a consistent reading when lighting conditions are variable.
An area of internal memory that temporarily holds reusable data to ensure a faster access time. Large programmes, such as PhotoShop, require quite a bit of cache, otherwise they get very slow.
This looks just like an audio CD and is used to carry up to 740MB of computer data, including images and software.
A removable memory card used in digital cameras to store pictures. The current maximum capacity is 256Mb.
Developed jointly by Kodak, Canon, Fuji and Matsushita, DPOF is a function that appears in some digital cameras to allow users to order prints of specific pictures from files stored on the cameras memory card, such as CompactFlash, SmartMedia or floppy d
A type of internal memory for personal computers.
A unit of computer memory equivalent to 1024 megabytes (or one billion bytes).
A unit of computer memory that's equivalent to 1024 Kilobytes.

Not to be confused with Megabit (Mb - note the lower case 'b'), which is one thousand times smaller.
Removable memory card introduced by Sony that's currently available in sizes up to 64Mb.
Memory cards such as CompactFlash, SmartMedia or MemoryStick that are used in digital cameras to store images.
A type of memory used in PCs that's faster than EDO Ram.
A removable memory card thats used in digital cameras, phones and MP3 players to store pictures, data or sound.
A graphics card thats built into a computer to control how many colours are seen on the monitor.
Indicates whether the camera can be connected to a TV to view the results. If it has PAL it can be played on UK-televisions or NTSC for US. Image quality looks as good as it would on a computer screen and if the camera has a slide show mode it can be left to run through all the pictures stored in the camera's memory or card.
A picture file format that some of the more advanced cameras have the option of using when taking photographs. In this mode the photograph is captured in a "raw"state direct from the camera's CCD so no automated processing is done by the camera. You then use RAW processing software such as Capture One to view and process the file on your computer giving you complete control of properties such as exposure, colour and sharpness. This mode is preferred by enthusiast and professional photographers who tailor settings to there liking. The downside is the file is not compressed by the camera, like it is in normal jpg shooting mode so you can only shoot a small number of photos before the memory card fills up.
Found on Nikon Coolpix digital cameras, this mode takes a series of shots but will only save the sharpest one to the memory card, which can help to achieve a sharp shot in low light where flash photography is prohibited.