Answers to Quiz 1

What is "sorting on disk"?

• It is the problem of sorting a data set, when that data set is on disk, but too big to fit into memory.

What is Mitch Kapor known for?

• A variety of things. He developed the user interface to Lotus 1-2-3, based on the original spreadsheet idea which he got from VisiCalc. He was a cofounder of EFF, the Electronic Frontier Foundation. He wrote the Software Design Manifesto, which is chapter 1 of Winograd.
• Fun answers:
  • His savvy taste in clothes.

Are there pointers in Java? Explain your answer.

• There are references, which are basically the same as pointers. However, Java does not permit all the standard pointer manipulations that a language like C permits. More importantly, Java does not require you to dispose of objects.

What are the C and U columns for in Humphrey's time log?

• Completed and Units
• Fun answers:
  • "C" refers to the time spent programming in the "C" language. "U" means the same thing.

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Source text last modified Mon Sep 1 15:08:42 1997.

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