What is a computer? In pairs come up with a short definition that answers the following two questions: What is a computer? What does a computer do?

Definition A computer is a machine whose job it is to store, process and present data.

What do these terms mean? Do you understand the following terms when related to computers? Data Store data Process data Present data

Group task Draw three columns on your sheet of paper and write the following headings: Storing data Processing data Presenting data Photographs Calculating the scores in a game you are playing Showing your work on a computer screen

Group task Storing data Processing data Presenting data Photographs Music Documents Videos Software programs e.g. Office, Games Calculating the scores in a game you are playing Opening an application to play music or videos Recognising that you have chosen a different font style / size to use Working out a calculation in a spreadsheet Sending a document to the printer ready for printing Resizing a photograph Saving a file in a different format e.g. .png to .jpg Showing your work on a computer screen Playing a music track through the speakers Displaying a web page correctly so that you can view it

Binary data Find out the answers to the following questions and be prepared to tell the class: What does the term ‘binary’ mean? What is ‘binary data’? Why does a computer only use binary data?