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the set of keys on a computer or typewriter that you press in order to make it work
KEYBOARD
a part of a computer that reads information on a hard disk, or a separate device that can be connected to a computer in order to do this
HARD DRIVE
a small, flat computer that is controlled by touching the screen or by using a special pen
TABLET
a set of wires in a computer along which information can be sent to and from other parts of the computer
BUS
possible to take with you if you move to a different place or job
PORTABLE
a piece of electronic equipment that is small enough to be used while holding it in your hand
HANDHELD
filled again with electricity when it has used all its electricity
RECHARGEABLE
a place in a computer circuit where an expansion card can be added
EXPANSION SLOT
the total amount that can be contained or produced
CAPACITY
a set of programs that form part of a computer) that operates every time it starts up
BIOS
the memory that can keep the information only during the time it is powered up
VOLATILE MEMORY
a type of computer memory that holds information that can be used but not changed or added to
ROM
a type of computer memory that can be searched in any order and changed as necessary
RAM
to discover the exact size or amount of something
MEASURE
how well a computer, machine, etc. works
PERFORMANCE
a set of electrical connections made by thin lines of metal fixed onto a surface, used in computers and other electronic equipment
CIRCUIT BOARD
