prezentation

1. How Many Letters?
S1240054
Koki Tsuda

2. Abstract
Can you remember all of your ABC's?
Computer needs to remember the letters.
How much letters does the computer
memorize?

3. Introduction
You can remember a lot of letters.
Because, the letter are used associations.
For example, words,sentences,paragraphs and
stories and songs.

4. Figure

5. About space of file
Computer uses space to remember information.
For example,kilobytes(KB) or megabytes(MB).

6. History of bit
In December 1998, IEC recognized new IEC
international standard.
It invented the specific prefix.
For example,kibibyte (KiB) or gibibyte (GiB) and
so on.
I’ll show the table at next slide.

7. Table

8. Character encoding
Character encoding is the method that
computer maps with respect to a letter and
number .
For example,ASCII encoding and the UTF-8
encoding.

9. Bibliography
● http://www.t1shopper.com/tools/calculate/
● http://en.wikipedia.org/wiki/Character_
%28computing%29

10. Procedure1
1.Copy the letter A's by clicking-and-dragging to
highlight all of the letters and click “Edit” and "Copy" .
2.Paste the letter A's into your new file by clicking
inside the new document.
3.Type a name for your file. For example, A1000.txt
,A2000.txt, A3000.txt,A4000.txt.
Then, click the "Save" button.
4.Next, you want to view the files you made by
looking in the documents folder of your computer.

11. Procedure2
● Below is a box filled with 1000 letter A’s:

12. Result
● A1000.txt is 5000KB.
● A2000.txt is 6000KB.
● A3000.txt is 7000KB.
● A4000.txt is 8000KB.

13. Variations
● Try using different letters than the letter A.
● Try comparing different font styles or letter
sizes.
● Compare the file sizes for the same text
created by three different applications.

14. Summary
● The file size changes by changing font styles or
letter sizes and different applications.

15. End
Thank you for listening.