Higher CS - Representing TEXT/GRAPHICS

What does ASCII stand for?

• American Standard Code for Information Interchange

• Advanced System for Computer Interaction

• Association of Computer Science and Information

• Automated Standard Code for Internet Interchange

How many bits does a single ASCII character take up?

• 16 bits

• 12 bits

• 4 bits

• 8 bits

What is the main advantage of Unicode over ASCII?

• Limited to English language characters

• Uses less storage space per character

• Can represent more symbols

• Lower range of colors

What type of graphics are stored as a grid of pixels?

• Vector Graphics

• Raster Graphics

• Bitmap Graphics

• 3D Graphics

What are TWO disadvantages of bitmap graphics?

• Large file sizes

• Resolution independent

• Resolution dependent

• Not blurred by scaling

What does vector graphics use to draw objects on the screen?

• Layers

• Shapes

• Attributes

• Pixels

What is the advantage of vector graphics over bitmap images?

• Not blurred by scaling

• Cannot represent photo realistic images

• Require specific vector graphics package

• Blurred by scaling

What is the disadvantage of vector graphics?

• Large file sizes

• Resolution dependent

• Cannot represent photo realistic images

• Editing is on a pixel by pixel basis

How many bits does Unicode use to represent characters?

• 16 bits

• 8 bits

• 32 bits

• 64 bits

What is the main advantage of bitmap graphics over vector graphics?

• Not blurred by scaling

• Can represent photo realistic images

• Resolution independent

• File sizes are generally smaller