Rolling the Dice

Tom Kelliher, CS29

Apr. 15 and 17, 1997

1. Thursday's quiz material:
   1. Issues lecture.

   2. Definitions.

2. Today's general topic: Taking chances with the future.

Backing-Up Data

1. What does this mean?

2. What's worth backing up?

3. How often?

4. For how long?

5. Where to keep the backup?

Network and Local Drives

1. What's the difference?

2. Operationally, what does that mean?

3. How can I tell?

Poor Planning

1. Drive letters in DOS vs. a unified tree in Unix.

2. The 640KB RAM limit.

3. Thin FAT pointers or geometrically growing disks.

4. IP addresses.

5. Late software.

6. Poor human factors engineering.

7. AOL's problems with flat-rate charges.

8. The growth of Internet hosts and users.

What are the causes?

Who makes the decisions?

Who has the power?