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OCR Computer Science - 2.6 - Images and Data Representation

Authored by Paul Meehan

Computers

8th Grade

Used 77+ times

OCR Computer Science - 2.6 - Images and Data Representation
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The following is true about metadata:

It is data about data.
It is corrupted data.
It significantly increases file sizes.

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Metadata doesn't contain the following:

File name.
Print dimensions.
Colour depth.
Camera settings for when the picture was taken.

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The following is often stored in metadata:

All of these.
Colour depth
Height and Width of an image
Compression algorithm applied.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many colours can be represented with a 4 bit colour depth? (7-9)

2
4
16
256

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is not stored as Metadata about an image? (6-9)

Height
Colour Depth
Resolution
Number of people in the image

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What three colours are used to produce a broad array of colours in a computer system? (1-4)

Green, Red, Orange
Red, Green, Blue
Yellow, Green, Red

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many colours are available for an image where the colour depth is 1?

2

1

3

4

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