N5 Graphics

Bitmap graphics

• Stored as a list of objects and attributes

• Stored as a grid of pixels. Each pixel is stored as a binary number

• Stored as a text file

• Stored as a list of colours that make up an image

Vector graphic

• Stored as a list of objects and attributes

• Stored as a grid of pixels, each pixel is stored as a binary number

• Stored as a text file

• Stored as a list of colours

rectangle(2,3,4,5,black, red)

This is an example of a

• Vector graphic

• Bitmap graphic

The number of colours that can be stored is determined by the

(a)  

An advantage of bitmap graphics is

• Small file sizes

• Can enlarge images without losing quality

• Can edit individual pixles

Two advantages of vector graphics are

• Can edit individual pixels

• Small file sizes

• Can enlarge without losing quality

Two disadvantages of bitmap graphics are

• Can edit individual pixels

• Small file sizes

• Enlarging images results in pixilation

• Large file sizes

The number of pixels used to store an image is called the

(a)  

Increasing the resolution of a graphic will

(2 answers)

• Reduce the file size

• Increase the quality

• Reduce the quality

• Increase the file size

Increasing the bit depth will

(2 answers)

• Increase the number of colours

• Reduce the file size

• Increase the file size

• Reduce the quality