Coding information and units of information
Answers are for parents and teachers.
1
Write your first and last name in your notebook. How many characters (counting the space), bytes and bits is that?
Characters = bytes; bits = bytes × 8.
2
How many KB is 2 MB?
2048
3
Encrypt “NON” by replacing each letter with the next letter of the alphabet (N→O, O→P).
OPO
4
Find three codes at home or on the street (road sign, barcode, QR code or musical notes) and write what each means.
For example: road sign – traffic rule; barcode – product number.
5
A class chat has 50 messages of 40 characters each. How many bytes is that in all?
2000