WJEC ICT3 Revision

Which image type is made up of millions of pixels?

• Vector

• Bitmap

• Raster

• Sketch

Choose 1 advantage of bitmap images

• They can be enlarged without losing quality

• They are high quality images

• They don't take up much storage space

• They are fast to dowload

Which types of image uses mathematical equations to work out the positions and lengths of lines, curves, etc.

• Vector

• Bitmap

• Animated gif

• sketch

Choose 2 advantages of vector images

• They are a high quality image type

• They don't take up much storage space

• The more pixels, the better quality

• They can be enlarged without losing quality

What is a disadvantage of bitmap images?

• They are made up of equations

• They take up a lot of storage space

• They lose quality when enlarged

• They contain too many pixels

Which of these animation techniques allows the animator to track the frame-by-frame motion of an object.

• Rotoscoping

• Tweening

• Onion skinning

• Cloning

Which of these animation techniques is used to get the computer to generate the in-between frames.

• Rotoscoping

• Tweening

• Onion skinning

• Stop motion

Which of these animation features involves filming live action on a real object, then producing it in a cartoon-like appearance e.g. Gollum from Lord of the Rings.

• Rotoscoping

• Tweening

• Onion skinning

• Stop motion

Which format is a compressed sound file

• wav

• wma

• mp3

• CD

MIDI (Musical Instrument Digital Interface) – allows a computer and a musical instrument to communicate. How does it do this?

• Converts analogue into digital for the computer to understand

• Converts digital into analogue for the computer to understand

• Plays CDs

• Plays mp3s