CS1Q Computer Systems Week 15 (23rd January 2006)

Preparatory reading

• CSI: all of Chapters 1, 2 and 3.
• The biographies of Ada Lovelace, Grace Hopper and Bob Bemer can also be found on the book's website.
• The ethical issues The Digital Divide, Encryption and Peer-to-peer File Sharing can also be found on the book's website.

Lecture slideshows:

• Lecture 1 slideshow
• Lecture 2 slideshow

Tutorial:

Lab:

• This week's lab belongs to the Information Management section, for assessment of the database exercise.

Key points:

• digital information: representation and processing
• representation of positive and negative integers in binary
• conversion between decimal, binary and hexadecimal
• binary arithmetic