Unit 2 Computer systems
Computer hardware
Word Definition Translation
case (n) the box of a computer that contains
the hardware
CPU (Central
Processing Unit) (n)
the part of a computer that controls
what it does
fast (adj) moving or happening quickly
hard disk drive (n) a piece of equipment in a computer
that is used to store information
keyboard (n) a set of keys on a computer which you
press to produce letters, numbers,
etc.
light (adj) not heavy
memory (n) the part of a computer where
information is stored
monitor (n) a piece of computer equipment with
a screen that shows information or
pictures
motherboard (n) a board where all the circuits of a
computer are placed
mouse (n) a small object connected to a
computer, that you move with your
hand and press to make the computer
do things
optical disk drive (n) a disk drive that uses a laser to read
and write data on disks
power supply unit
(n)
supplies power to the other
components in a computer
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