multi media

Question 1

what is bitmap images

Answer 1

an array of individual pixels stored in the format of rows and columns

Question 2

pixel

Answer 2

a single square of one color and the smallest addressable element in an image

Question 3

image resolution

Answer 3

it is the level of detail an image has , it is measured by pixels per inch

Question 4

screen resolution

Answer 4

it is the number of pixels which can be viewed horizontally and vertically on a screen

Question 5

color depth/ bit depth

Answer 5

number of bits allowed to represent each pixel color

Question 6

meta data

Answer 6

data about data for eg file name , file size, color depth

Question 7

file header

Answer 7

data about bitmap image such as image size, number of pixels ,type of compression,

Question 8

how are images coded into digital format

Answer 8

1. images are stored as bitmap images
2. each image is made up of pixels
   3.each pixel is a single color
   4.each color has a unique binary value
3. the binary values are stored in a sequence for each image

Question 9

features of graphic editing software

Answer 9

resize: increase/ decrease size of the picture
crop: remove certain parts of the picture
blur: reduce the focus
red eye reduction: reduces red light reflected from human eye