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- undo
- reverses whatever change you just made
- Unicode
- Unicode Worldwide Character Standard. A
scheme for encoding characters using 16 bits per character.
Unicode includes glyphs for the scripts for all major languages,
including symbols.
- UNIX
- operating for scientific applications by
Bell Labs
- upgrade
- to replace a program with a newer version
of one you already have
- upload
- transfer a file from your computer to
another
- UPS
- Uninterruptable Power Supply
- combination of surge protector, power line conditioner, and
battery power supply
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 USB
- Universal Serial Bus. A type of
connection that can be used by a wide range of devices, rather
than each device having its own shape for its connector. Fast (12
Mbps). Quickly replacing serial and parallel ports.
- user interface
- the way the user tells the software what
to do and how the computer displays information and options to the
user.
- user friendly
- a program or user interface which is easy
to use
- user response
- what the user does to answer a question
that the computer asks
- user ID
- identification name of user
- user profile
- a set of preferences for a particular
user. Available in network settings.
- utility
- a program that performs tasks related to
the maintaining of your computer's health - hardware or data.
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