Graphic DesignYear 7

This Lesson

Know what is meant by a file extension and to give

examples

File Formats

What are file formats/ extensions?

A file format/ extension relates to the last three/ four letters at the end of a file name e.g. image_transfer.doc

• It is possible that you cannot see them as your computer may be set to hide them

What is the purpose of file formats/ extensions?

File formats/ extensions are there so that your computer knows what programme to use to open the file

As you may already know it is not possible to open a music file (.wma) in Microsoft Word (.doc) and so on

File Formats

These are some of the file formats/ extensions that you may recognise

.doc – Microsoft Word

.ppt – Microsoft PowerPoint

.xls – Microsoft Excel

Image file formats

Below are some of the file formats/ extensions that are related with image files on your computer:

.JPEG - Joint Photographic Experts Group

.GIF - Graphics Interchange Format

.TIFF – Tag Image File

.PNG – Portable Network Graphics

File Formats

When the “Save As” dialog box is open click on the drop down menu for “Save as Type”

File Formats

A list of the file formats that the programme supports is shown and you can now save your document in a format you want

PDF Format

What is a PDF?

PDF stands for “Portable Document Format”

It is used for creating electronic documents

The file extension is .pdf

Now you try!

• See how many different file extensions you can list

• Research and list at least 5 different file extensions

File Extension Task

Task: Continue creating your main image

Update your workbook

Reflect on what you have learnt this lesson.

Make sure you write down your homework in your planner!

Homework is due next lesson.

LO: Experiment with Photoshop to adapt an image.