Digital Imaging

Question 1

What is a bitmap

Answer 1

Made up of lots of pixels

Stores info about each individual pixel in the image

Question 2

What are the advantage of a Vector graphic?

Answer 2

Smaller memory size
Easier to transform or change a vector graphic
Quicker upload and download times due to smaller file size

Question 3

BMP (Uses, Advantages & Disadvantages)

Answer 3

Stands for bitmap
Saves the image as a group of pixels
Used for drawings

Advantages
Creates a good quality image

Disadvantages
File sizes can be large which will increase upload/download times

Question 4

JPEG (Uses, Advantages & Disadvantages

Answer 4

Stands for Joint Photographic Experts Group
Used for putting images on the internet

Advantages
File type compresses images which their file sizes smaller
Ideal for uploading/downloading

Disadvantages
Reduced quality of the image

Question 5

GIF (Uses, Advantages & Disadvantages)

Answer 5

Stands for Graphics Interchange Format
Used to create small, basic web animations

Advantages
Small size makes them ideal for internet use

Disadvantages
Fewer colours than a JPEG or BMP
Not suitable for photographs

Question 6

TIFF (Uses, Advantages & Disadvantages)

Answer 6

Tagged Image File Format
Made for scanners

Advantages
Good image quality

Disadvantages
Larger file size

Question 7

EPS (Uses, Advantages & Disadvantages)

Answer 7

Encapsulated Postscript
Used to convert text to vector art

Advantages
Small thumbnails preview when working with lots of files

Disadvantages
Technology is not commonly used