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All about numbers

All about numbers

Assessment

Presentation

Computers

10th Grade

Medium

Created by

David McLean

Used 4+ times

FREE Resource

18 Slides • 12 Questions

1

All about numbers

By David McLean

2

Multiple Choice

Question image

This is the _______. It connects many parts together.

1

motherboard

2

hard drive

3

SD card

4

fan

3

Multiple Choice

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This is the _____. It is the brain of the computer.

1

OS

2

Graphical User Interface

3

CPU

4

USB

4

Multiple Select

Select the input (入力) devices.

1

keyboard

2

mouse

3

microphone

4

speaker

5

Multiple Choice

Question image

How many robots?

1

2 robots

2

10 robots

6

Multiple Choice

Question image

How many birds?

1

1

2

3

3

11

7

Multiple Choice

Question image

How many cats?

1

100

2

1

3

4

4

14

8

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10 robots

11 birds

100 cats

9

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Why do use the numbers 0123456789?

Maybe because we have ten fingers. It's easy to understand.​

Ten Fingers

10

Open Ended

Question image

What if we only had one finger? What numbers would we use to count?

指が1本しかない場合はどうなりますか? 数えるためにどのような数字を使用しますか?

11

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Yes or no.

On or ​off.

0 or 1.​

Computers only understand two numbers: 0 and 1

12

A single 0 or 1 is called a bit.

単一の0または1はビットと呼ばれます。​

​bit​

byte (B)

0

0110 0011

Eight bits are called a byte. A single unit of data (A, B, Z...) is a byte.

8ビットはバイトと呼ばれます。 データの単一ユニット(A、B、Z ...)はバイトです。​

​Upper bit 上位 Lower bit 下位

13

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File sizes can be measured in KB.

ファイルサイズはKB単位で測定できます。​

1,024B = 1 Kilobyte (KB)

Many MB of data can be put on a CD-ROM.

多くのMBのデータをCD-ROMに入れることができます。​

1,024KB = 1 Megabyte (MB)

Many GB of data can be put on a hard disk, DVD, etc.

何GBものデータをハードディスクやDVDなどに入れることができます。​

1,024MB = 1 Gigabyte (GB)

14

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Several terabytes of data can be put on a hard disk or SSD.

数テラバイトのデータをハードディスクまたはSSDに置くことができます。

1,024GB = 1 Terabyte (TB)

A data center holds many petabytes of data.

データセンターは、数ペタバイトのデータを保持しています。

1,024TB = 1 Petabyte (PB)

15

Decimal to Binary

Keep dividing by two! The answer will be the remainders put together backwards.

​2 / 60 Remainder

2 / 30​ 0

2 / 15 0

2 / 7 1

2​ / 3 1

1 1​

​残り

​Decimal Binary

60 111100​

16

Fill in the Blanks

Type answer...

17

Fill in the Blanks

Type answer...

18

Fill in the Blanks

Type answer...

19

1 5 7 9

​103

​102

​101

​100

​x

​x

​x

​x

​1,000

500

70

9

​+

​+

​+

​= 1,579

20

1 1 0 0 1

​24

​23

​22

​21

​x

​x

​x

​x

​16

8

0

0​

​+

​+

​+

​= 25

​20

​+

1​

21

Fill in the Blanks

Type answer...

22

1 1 1 1 0

Some text here about the topic of discussion

​24

​23

​22

​21

​x

​x

​x

​x

​16

8

4​

​2

​+

​+

​+

​= 30

​20

​+

0​

23

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Video time

24

Open Ended

You have 16 fingers. What numbers do you use to count?

あなたは16本の指を持っています。 数えるのに何を使いますか?

25

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26

41914?

Are you sure?

27

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28

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29

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30

学習ノート P. 8 - 9, #1-7

教科書 P. 14 - 15​

All about numbers

By David McLean

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