Data Storage - Images J277

Data Storage - Images J277

10th - 11th Grade

10 Qs

quiz-placeholder

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Data Storage - Images J277

Data Storage - Images J277

Assessment

Quiz

Computers

10th - 11th Grade

Practice Problem

Medium

Created by

Clare COBBOLD

Used 21+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 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 pixelated the image is

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you increase the colour depth 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

30 sec • 1 pt

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

resolution?

Pixels per inch (PPI)

Dots per inch (DPI)

Pixels per meter (PPM)

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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