Computer

Two or more computers connected together over a large geographical area, such as the Internet.

Two or more computers connected together over a small geographical area, such as school.

Two or more computers connected together over a large geographical area, such as the Internet.

Two or more computers connected together over a small geographical area, such as school.

pioneer of computer programming

computer hardware scientist

co-developer of the first computer

pioneer of solar engineering

Software similar to a 'Trojan' as it spies on what you are doing and passes this information back across the internet.

Programs that attempt to blackmail a user into making a payment to a hacker, If money isn't paid, the network can be shutdown.

Software that is similar to a virus, although it can infect your computer without human help, instead through security loopholes. Once inside your computer it can replicate itself across networks. It is malicious as it can slow your pc down, delete files and send documents via email.

Software that is disguised as something legitimate like a computer game. Once inside it can log key strokes, record passwords and can allow someone to remote access your computer.