WJEC ICT Unit 3 Mock Revision

What is the name of the process of reducing the size of a file in order to make it quicker to download.

eg. BMP to JPG

What name is given to the process of scrambling data contained in email messages into code so no one hacking in can understand it?

• Digitising
• Encrypting
• Scrambling
• Twisting

What does data validation do?

• Checks that an input fits certain parameters such as length.
• Checks that inputted data is completely correct.
• Checks that there is no redundant data in a field.
• Checks that the correct SQL Query has been used.

Which of the following are ways of manipulating images in photo editing software

• Cropping/resizing

• Cloning

• Lighting effects

• Changing the sound

• compressing the file size

The illusion of images moving is known as the 

• Depth of vision
• Persistence of vision
• Motion of vision 

Moving an object a small amount when animating is known as

• Stop animation
• Stop motion
• Stop tweening
• Stop framing

An animation with a beginning and end frame has what in between?

• Motion
• Tweening
• Go frame
• Stop frame

Keeping several frames visible whilst animating is known as 

• Apple skinning
• Banana skinning
• Onion skinning
• Orange skinning

2015 Question: Live actors are filmed. Frames are then traced over to produce a cartoon effect animation

• Tweening
• Key Frame
• Rotoscoping
• Stop Frame

What is an automatic computer check to make sure data entered is sensible and reasonable known as?

• Double entry
• Verification
• Validation