Revision Self Guided - Y8

• Computing
• Lower Secondary (Key Stage 3)

Y8 Revision Self Guided

Work your way through this interactive guide

Attempt all interactive elements

do not skip through otherwise the revision will not be effective

Photo Editing Skills Recap

Write down every tool you can think of in PhotoPea

What does the layer tool do ?

Layer tool

Helps you organise elements in the file

Which file type is a flattened version of the saved PSD file

1. An MP3 file
2. a JPG file
3. A PDF file
4. A PSD file still

Select and move

Use this to select a layer and move it

Selection tools

Allow you to select regions of the layer to be edited (like deleted or recoloured)

Crop tool

Chops away parts of the image (like scissors would)

Eraser Tool

Deletes areas of a layer like a standard rubber would on paper

Magnifier

Zoom in and out of parts of the image

Do you know which label is right for each tool?

Do you know any useful keyboard shortcuts in Photopea?

Good shortcuts in Photopea

CTRL+C = Copy

CTRL+V = Paste

CTRL+D = Deselect areas

CTRL+Z = Undo last action

EMAIL REVISION

Email etiquette

• Formally written
• Look like letters with greeting and signoff
• NOT social media (snapchat/messenger)
• can have attachments
• Need suitable subject titles 

Scratch revision

Exercise

The best way to revise scratch is to run through the basics on the scratch website

Click to Go To Scratch

Try recreate some basic programs like:

• Sprite chasing game - cat and dog
• look over your maze and add another level
• ensure you use a broadcast, a variable and if/else blocks

Sharing media revision

What advise can you give around sharing images online?

Sharing images

Sort out your permissions

Lock down your accounts to prevent access

Never send images to people you do not know IRL

Don't share images that give away your location

Don't share images of other people without permission

Image binary revision

How many colours can you represent using 4 bits per pixel?

More bits = more colours

More on images

For more information, videos and explanations of how images are stored on a computer go to

bbc bitesize website

Microbit revision

For microbit revision

The best way to revise microbits is to go to the microbit website and code some simple programs using the virtual microbit instead of a real one.

GO HERE FOR WEBSITE

Try recreate some basic programs like:

• happy/sad face switcher
  
• random dice roller
  
• rock, scissors paper game

Python Application revision

Advise:

To prepare for the application questions you need to remember:

• Simple python syntax
• including printing, taking inputs, storing variables etc...
• The best way to prepare is to look over the slides your worked on with the code links and tasks
• Here is the link