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Computing

Computer Science LearnITWithMrC ⛯ Year 7 Year 8 Year 9 GCSE

Computing Units

Lesson Video

45

Lesson Tasks

Watch the Lesson video
Make notes if needed.
Open your Learning Journal
Complete Task 1 in your Learning Journal
Complete the learning activities
Make sure you complete the book tasks in your Unit Booklet
Complete End of Task Assessment
Update your learning objectives

What do I need to Learn?

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I need to learn how to explain that that quantities of bytes can be described using prefixes.

I need to learn how to explain that kilo, 1 KB is 1,000 bytes.

I need to learn how to explain that mega, 1 MB is 1,000 kilobytes

I need to learn how to explain that giga, 1 GB is 1,000 Megabytes

I need to learn how to explain that tera, 1 TB is 1,000 Gigabytes.

I need to learn how to compare quantities of bytes using the prefixes above

Key Terms

Bit (b) nibble Byte (B) kilobyte(kB) megabyte(MB) gigabyte(GB) terabyte(TB)

Task 1 - Getting organised Click to see more

Task: Learning Journal

Open your Learning Journal by clicking on the image below

Learning Journal

Good notes will help you organise and process data and information

Task 2 - Units of infromation Click to see more

You must be able to understand that:

a bit is the fundamental unit of information
a byte is a group of 8 bits.
that quantities of bytes can be described using prefixes.

You must be able to demonstrate that know the names, symbols and corresponding values for the decimal prefixes:

kilo, 1 kB is 1,000 bytes
mega, 1 MB is 1,000 kilobytes
giga, 1 GB is 1,000 Megabytes
tera, 1 TB is 1,000 Gigabytes

Bit (Binary Digit)

A bit is a value of either a 1 or 0 (on or off). It is the fundamental unit of information.

Nibble

A nibble is 4 bits.

Byte

A byte is group of 8 bits.

Task:

Open your student workbook at page 24 Read through the notes then complete the following task in your book.

Task 13

When you are finished screenshot your answer into your Learning Journal

Task 3 - Extension task Click to see more

Task 1: How many bytes in?

Click on the image below to go to the task.

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Lesson Notes
Computing Units

Revision
Computing Units

Exam Quest
Computing Units