iGCSE Computer Science: Digital Image Representation

iGCSE Computer Science: Digital Image Representation

9th - 12th Grade

12 Qs

quiz-placeholder

Similar activities

14. TAHS Y9

14. TAHS Y9

9th - 12th Grade

13 Qs

Images Pixels

Images Pixels

9th - 11th Grade

17 Qs

Pearson 1CP2 - 2.2 - Image Representation

Pearson 1CP2 - 2.2 - Image Representation

9th - 12th Grade

17 Qs

J277 - 1.2 - Images

J277 - 1.2 - Images

10th Grade - University

15 Qs

Digital Imaging

Digital Imaging

5th - 10th Grade

15 Qs

Data Rep LST

Data Rep LST

9th - 12th Grade

12 Qs

Image Representation

Image Representation

7th - 10th Grade

15 Qs

KS3 Data representation

KS3 Data representation

7th - 9th Grade

16 Qs

iGCSE Computer Science: Digital Image Representation

iGCSE Computer Science: Digital Image Representation

Assessment

Quiz

Computers

9th - 12th Grade

Hard

Created by

Calum Gordon

Used 507+ times

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Pixels get their colour from a combination of which colours?

cyan magenta yellow black

red green blue

primary colours

black white

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Media Image

Which factors affect the file size of a bitmap image? (select all that apply)

pixel density

image dimensions

colour depth

software used to create it

format of image meta-data

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

If an image has a colour depth of 8 bits then the number of possible colour shades is ... ?

256

8

16

2014

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

If an image has a colour depth of 65,536 colours, then the number of bits used to represent each pixel is ...

64

10

8

16

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The True Color bitmap standard uses 24 bits to represent every pixel. How many possible colour shades does this allow?

16,777,216

65,536

24

48

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which of these image file formats involves lossy compression?

.gif

.png

.jpg

.bmp

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Media Image

Which of these image file formats involves lossless compression? (select all that apply)

.gif

.png

.jpg

.bmp

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?