Digital Graphics & Sound Grade 8

What type of format are pictures or images held inside the computer?

• Audio format

• Digital format

• PDF format

• Word Format

What does the bitmap file stores to make up an image?

• It stores the position and colour of every pixel

• Bitmap file can be very large

• Stores dot by dot detail

• High Resolution

Vector graphics image is made up

• of shapes constructured from lines

• of numbers constructed from lines

• of sentences constructed from lines

• of excel constructed from lines

What are the file extention for bitmap and vector graphics?

• .bmp

• .doc

• .svg

• .ppt

Does pixelated effect vector images ?

• Yes

• No

• Maybe

• Not Sure

A 24 bit colour depth uses

• 7 bytes of data to store colour code = 16 million different

• 5 bytes of data to store colour code = 16 million different

• 3 bytes of data to store colour code = 16 million different

• 3 bytes of data to store colour code = 20million different

What are the other colour formats ?

Select the correct answers below

• Red and Green format

• Monochrome

  ( 0 or 1)

• 16 Colour

  4 bits gives numbers 0 - 15 in binary

• 256 Colour

  (8 bits gives numbers 0 -255)

List the different different formats to save an image

• JPEG

• GIF

• PNG

• TIFF

What is wav format used for

• Websites

• Music

• Pictures

• Radio

What is MP 3 used for ?

• Audio format for websites

• Music

• Radio

• Digital

  Audio Players