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Binary

Binary

Assessment

Presentation

•

Computers

•

7th Grade

•

Practice Problem

•

Easy

Created by

S Smith

Used 106+ times

FREE Resource

14 Slides • 26 Questions

1

Binary

To know how computers store data

To convert between 4-bit binary numbers

Slide image

2

Welcome to our Online Lesson on Quizizz!

To advance to the next slide you need to click next in the bottom right.


You will be asked questions throughout the lesson, make sure you read / listen to the question carefully before answering.

3

Multiple Choice

What does the CPU do?

1

Store information

2

Process information

3

Store and processes information

4

Holds the computers instructions.

4

Multiple Choice

What am I?

The computer's main circuit board

1

CPU

2

RAM

3

Power Supply Unit

4

Motherboard

5

Multiple Choice

What am I?

I convert the power from the wall to the computer

1

CPU

2

Motherboard

3

Power Supply Unit

4

RAM

6

Multiple Choice

What am I?

I store all the information that is currently in use.

1

RAM

2

ROM

3

Hard Drive

7

Multiple Choice

What am I?

I store the operating instructions.

1

RAM

2

ROM

3

Hard Drive

8

Multiple Choice

What am I?

I store most of your data such as your files, pictures and videos!

1

RAM

2

ROM

3

Hard Drive

9

Multiple Choice

Which of these is an input device?

1

Monitor

2

Keyboard

3

USB Stick

10

Multiple Choice

Which of these is an output device?

1

Monitor

2

Keyboard

3

USB Stick

11

Last lesson we learnt....

  • There are 5 main parts to a computer, the CPU, RAM, Power Supply Unit, Motherboard and the hard drive.

12

This lesson we are going to...

  • Look at how our information is stored inside a computer

  • How to convert a small binary number to our maths system.

13

Circuits

  • Circuits are usually found in light switches which are either on or off.

  • A computer also uses these circuits!

  • When you press a button on the keyboard such as the letter 'a' the computer knows that the letter has been typed.

  • Each of these letters and numbers on the keyboard have a unique code made up from this circuits.

14

Binary

  • Binary is the language computers understand.

  • Binary only has two possible digits 0 or 1.

  • These 0's and 1's come from the circuits inside the computer!

  • 0 = OFF

  • 1 = ON

15

Multiple Choice

Binary has how many digits?

1

1

2

2

3

10

16

Multiple Choice

Binary is made up of what?

1

Just 0's

2

Just 1's

3

0's and 1's

4

Numbers?

17

Multiple Choice

What do computer's understand?

1

Binary

2

Circuits

3

I don't know

18

Binary to Maths?

We can convert from binary to our maths system!

19

Maths!

  • In maths we have the placeholders 1's, 10's, 100's and 1000's.

  • The number 6203 is made up of 3 1s, 0 10s, 2 100s and 6 1000s.

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20

Binary and Maths!

  • As binary only has two digits we use the placeholders 1, 2, 4 and 8 instead.

  • The binary number 0001 would be the number 1 in our maths system this is because the number 1 is in the placeholder that says 1.

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21

Binary to Maths!

  • The binary number 0010 becomes the number 2 this is because the 1 is in the placeholder 2.

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22

Binary to Maths!

  • The binary number 0011 becomes the number 3 this is because the placeholders 1 and 2 contain a 1, so I add these placeholders together to make 3. (1+2=3)

Slide image

23

Multiple Choice

Question image

What is binary 0001 in our maths?

1

0

2

1

3

2

4

8

24

Multiple Choice

Question image

What is binary 0011 in our maths?

1

1

2

2

3

3

4

12

25

Multiple Choice

Question image

What is binary 0100 in our maths?

1

1

2

2

3

4

4

8

26

Multiple Choice

Question image

What is binary 0101 in our maths?

1

3

2

4

3

5

27

Multiple Choice

Question image

What is binary 0110 in our maths?

1

3

2

4

3

5

4

6

28

Multiple Choice

Question image

What is binary 0111 in our maths?

1

5

2

6

3

7

4

14

29

Multiple Choice

Question image

What is binary 1 000 in our maths?

1

1

2

2

3

4

4

7

5

8

30

Multiple Choice

Question image

What is binary 1 0 1 1 in our maths?

1

4

2

8

3

10

4

11

31

What about maths to binary?

  • If I know the maths number but want to work out the binary number all I need to do is work out which of the 4 numbers add together to make our number from 1, 2, 4 and 8.

32

Example

For example, I want the number 10, I know the numbers 8 and 2 make the number 10 so I need the placeholders 8 and 2, so I pop 1's in these place holders and 0's in the placeholders that aren't needed to make the binary number 1 0 1 0.

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33

Completed Example

The number 10 in binary is 1 0 1 0 I know this is correct because 8 plus 2 equals 10 (remember we add the placeholders with a 1 in)

Slide image

34

Multiple Choice

What is the number 2 in binary?

1
2
3

35

Multiple Choice

What is the number 5 in binary?

1
2
3
4

36

Multiple Choice

What is the number 13 in binary?

1
2
3

37

Multiple Choice

What is the number 6 in binary?

1
2
3

38

Multiple Choice

What is the number 14 in binary?

1
2
3
4

39

Poll

How well do you feel you reached our learning outcome?

To know how computers store data

I am confident on how computers store data

I know how computers store data

I am unsure how computers store data

I didn't understand today's lesson

40

Poll

How well do you feel you reached our learning outcome?

To convert between 4-bit binary numbers

I can convert between binary and maths confidently.

I need some help to convert between binary and maths.

I am stuck on converting between binary and maths

I didn't understand today's lesson

Binary

To know how computers store data

To convert between 4-bit binary numbers

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