Data Representation- Images

Data Representation- Images

9th - 11th Grade

10 Qs

quiz-placeholder

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Data Representation- Images

Data Representation- Images

Assessment

Quiz

Computers

9th - 11th Grade

Practice Problem

Medium

Used 25+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What do we call the smallest unit of data that can be represented in an image?

pixel

dot

colour

bit

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is meant by Colour Depth?

Number of pixels in the image

The number of colours available for each pixel

How pixellated the image is

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

If you increase the colour depth then the file size will decrease?

TRUE

FALSE

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many colours can be represented with a 4 bit colour depth?

2

4

16

256

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term used to define what must be known about a bitmap, for it to be represented accurately?

Microdata

Metadata

Megadata

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In modern technology what unit of measurement would be used for screen size?

Pixels per inch

Dots per inch

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is not stored as metadata about an image?

Height

Colour Depth

Resolution

Number of people in the image

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