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Peripheral: The hardware (keyboard, printer, modem, camera...) connected to a
computer via a communication port (serial, parallel, USB...) for entering or
transmitting data.
Pixel (Picture
Element): This is the unit of display of a computer image, the
intersection between a line and a column. A group of pixels constitutes an image.
Port: A socket enabling you to connect a computer to its peripherals. There are
several types of port: Serial, Parallel and USB ports or firewire ports.
Resolution: This is the number of pixels displayed per inch (about 25.4 mm) in
terms of dpi. For example, the value 400 dpi represents 400 pixels in the area of
one inch. The higher the number of pixels, the finer the details in the image.
However, this is accompanied by a corresponding increase in the volume of data
and the time required to process it, as well as the amount of memory required to
manage the processing. In summary: the higher the resolution the clearer the
image, and the quality of the display on the screen.
SD: SD means Secure Digital. See
USB: Universal Serial Bus. This communication port is characterised by a high
transfer speed (12 Megabits/second), about 50 to 100 times faster than the
speed of a traditional serial port (RS-232C).
Digiframe
Digital photo frame
memory card
Non binding document, subject to modification in the event of
misprint(s) – MKG0308
62
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