When a computer system suddenly stops operating.
crash
To put electricity into an electrical device such as a battery.
charge
A mistake or a problem in a computer program.
bug
The system used for keeping the air in a building or vehicle cool.
air conditioning
To remove the effects of an action.
undo
The smallest unit of any chemical element, consisting of a positive nucleus surrounded by negative electrons.
atom
a type of electronic device that you can operate by using your finger on the screen
touchscreen
To add a file or document to an email.
attach
a type of computer that is small enough to fit on the top of a desk
desktop (computer)
the activity of putting a file from your computer onto a special place so other people can copy it
file sharing
A new idea or method.
innovation
An important discovery or event that helps to imnprove a situation or provide an answer to a problem.
breakthrough
A simple substance which cannot be reduced to smaller chemical parts e.g. hydrogen.
element
Alive now (adjective).
living
a large amount of information stored in a computer system
database
A picture or photograph, especially one shown on a computer or TV screen.
image
A substance in a form like air that is neither solid nor liquid.
gas
go against (a trend)
buck
the outer part of a mobile phone that does not include the batter or the SIM card
handset
A record of an address of an internet page on your computer so that you can find it again easily.
bookmark
To use a program on your computer e.g. ____ a computer program.
run
used on social media for describing the general subject of a Tweet or other post
hashtag
the sound that a mobile phone makes, especially when someone calls it
ringtone
Ideas which are suggested to explain a fact or idea e.g. _____ of relativity.
theory
The scientific study of electric currect and the technology that uses it.
electronics
To keep information on a computer.
store
A state of matter that is not liquid nor a gas.
solid
To show that something is true e.g. _____ a theory.
prove
A material with particular physical characteristics.
substance
to walk around a shop looking at several things without the intention of buying; to look at information on the internet
browse
The smallest basic unit of a plant or animal.
cell
A computer programme that is designed for a particular purpose.
application
high-speed data connection
broadband
Provide extra or new information.
update
Not strong or clear e.g. a ____ sound.
faint
The pattern in which some types of energy are spread of carried.
wave
The process of finding information, a place or an object, especially for the first time.
discovery