Digital Data - Computing

Digital Data - Computing

7th - 12th Grade

14 Qs

quiz-placeholder

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Digital Data - Computing

Digital Data - Computing

Assessment

Quiz

Computers

7th - 12th Grade

Practice Problem

Hard

Created by

Jack Jervis

Used 26+ times

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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many nibbles in 2 Bytes?

4

2

8

1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many bits in 1KB

1000000

8000

1000

80000

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many MB in 1TB?

1000000

1000

1000000000

2000000

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which two statements best describes the term 'Unicode'?

Can only represent a small number of characters

A character set

Used to store the number of colours in a pixel

Can represent all characters in the world

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

_ _ _ _ _ is an 8-bit character set.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement best describes the term 'lossy compression'

Making the file size bigger to save space

Reducing file size without removing data

Reducing file size without losing quality

Reducing the file size by removing data

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

To calaculate the size of a sound file in bits. The formula is...

Sample Rate * Bit Depth * ?

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