Queries (1 Viewer)

[crammy90]

for 2001 HSC paper
21 c) could you say that instead of the people at each segment of the parcel sending their data (collected from the barcode scanners) to the database, that infact it is a "download" distributed database system in that the head office computer's database is stored on the webserver, looks at each segments database tables and downloadings those records which have changed?
- whats a pivot table and could some1 use an example
- Multimedia: what is an example of block-based encoding?...i wrote as an example MPEG-2 as that is used for DVD's...but then they lose quality :S
- do PJ managers develop funding management/communication plans?

-2002
Does ethernet only detect errors i.e. CSMA/CD, but cant it correct using CA?

 

[mijoe]

1. I thinks it's better not to say it's a "download"
2. Pivot tables are used to summarize data in data visualization programs like spreadsheet software.
3 No idea
4 No such thing as funding management/communication plans

5. What's CA? Error correction uses retransmission symbol susbstitution or error correction code

2/3/4 aren't in syllabus