A file you can send along with an email.
The smallest amount of information that a computer can store.
A website that is used like a diary to discuss what they have been doing or
other events. People can read the entries and post comments as feedback.
A software application that provides a way to view and interact with pages on
the World Wide Web.
A series of 8 bits. One character on a keyboard is a single byte.
A small text file that is stored on your computer when you visit some websites. They can help the site identify you so you don't have to re-enter personal information everytime you visit.
Al the data about a person or thing. Made up of fields.
Storing data in a structured a logical way.
Computer programmes that are designed to carry out specific tasks.
Online discussion pages where people can post messages and get responses from other people.
The data file is unreadable.
The part of the computer that does the most data processing.
Raw figures or words with no context or meaning.
Scrambling data to make it secure. Only the users with the key and the code can unscramble and read the data.
Replacing data with a code the shortens it.
Column headings in database tables, they are part of a record.
Software or hardware that limits the data that can be sent to or from a computer, preventing unauthorised access.