Toshiba Magnia 3135R, Руководство пользователя

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file name extension: The characters at the end of a file name, starting with a period. They
indicate the type of file. In Windows and DOS, extensions consist of three
characters apart from the period. Examples are .EXE for program files, .HLP
for help files, .BMP for bitmap files, .INI for initialization files.
firewall : A security system that prevents computers in an organization’s network from
communicating directly with computers outside the network. It consists of a
computer system which controls access to the organization’s network and
routes incoming and outgoing messages. See also proxy server.
firmware: Software permanently stored in read-only memory in the CPU or in a device
controller. You can update the information by replacing the ROM or
reprogramming flash ROM.
flash ROM : A type of non-volatile memory that you can reprogram with software supplied
by the device manufacturer. It allows you to upgrade the server or controllers
without replacing the ROM.
folder (also called directory): Part of the organizational structure that allows the operating
system to locate files (documents). Each folder holds a number of related files
and folders (subdirectories).
font: A complete set of characters of one design and size, used to display information on
the screen or output it to a printer.
format: To prepare a blank disk for use with the computer’s operating system. Formatting
creates a structure on the disk so that the operating system can write
information to the disk or read information from the disk.
frame: An individual picture in film and video. Film has 24 fps. Video has 30 fps. With the
SMPTE time code, each video frame has a unique address. On a videodisc, a
frame is a block of coherent information (a picture, block of text, etc.). A
videodisc contains 54,000 frames, each with a unique address.
full duplex: A type of data transmission in which data flows between two devices in both
directions simultaneously. See also half duplex .