1. Data Encoding
WJEC GCSE ICT

2. Starter: Testing Existing Knowledge
What do you think each of these terms stand for:
M&S
MATALAN PE
ICT
MSN GB
M or F?
DTV Airport
S M L XL XXL HD
USB

3. Objectives Understand what data encoding is.
Know why we use data encoding.
Suggest the benefits and drawbacks of data encoding .

4. Starter Review Why do we use acronyms in life? M&S Marks and Spencer
MATALAN Matthew and Alan
PE Physical Education
ICT Info and Comms Technology
MSN Microsoft Network
GB Great Britain
M or F? Male or Female
DTV Airport Durham Tees Valley
S M L XL XXL Small, Medium, Large….
HD High Definition
USB Universal Serial Bus

5. Life vs. A Computer
Why do we store things on a computer this way then?
Computers do it because:
Takes up less storage space
Faster to enter / type
Easier to check with validation (no spelling etc).
Faster to use and send the data (smaller file sizes).
THIS IS CALLED: ENCODING

6. Where in Society?
encoding is
everywhere

7. Benefits and Drawbacks
Less storage space needed
Copying data could be a bad thing! (think about MP3)
Data can be easily copied / transferred
Data theft?
Easier / faster to back up
Training needed to understand code
Fast to access.
Security of data

8. Objectives Review Understand what data encoding is.
Know why we use data encoding.
Suggest the benefits and drawbacks of data encoding .