Data Representation - Images

Data Representation - Images

4th - 12th Grade

10 Qs

quiz-placeholder

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Data Representation - Images

Data Representation - Images

Assessment

Quiz

Computers

4th - 12th Grade

Medium

Created by

Matt Fearn

Used 668+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Quality of an image depends on:
Resolution
Metadata
Screen size
Computer's speed

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The density of pixels in an image file is known as:
Resolution
Dimensions.
Transparency.
Compression.

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Resolution is measured in:
Pixels per mm or per inch
Print size.
Milimeters.
Bytes.

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Identify a true statement:
Image files can be compressed by setting pixels with similar colour to the exactly same colour.
Compressing files improves their quality.
Resolution doesn't affect the printed size of an image.
Black and white images have colour depth of two bits.

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Colour depth refers to:
How many bits are used in a file to store colour information in every pixel
Resolution divided by the number of colours in an image.
Degree of file compression applied to an image file.
Repeated resampling of an image.

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Most graphic formats create many colours from:
Red, green, blue.
Red, pink, yellow.
Red, white, blue.
Black, white, green.

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The smallest unit of data stored in an image file is called:
Pixels
Resolution
Alpha
Bitmap.

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