Web Research Project

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Chapter 4

This activity contains 4 questions.

Define and discuss the purpose of cache memory. Discuss the difference between Level 1, Level 2, and Level 3 cache.

To create paragraphs in your essay response, type at the beginning of the paragraph, and at the end.

List and discuss the function of the four steps in the cycle of the CPU.

To create paragraphs in your essay response, type at the beginning of the paragraph, and at the end.

Web Project 1: It’s All About Speed: DNA Computing

You read in this Technology in Focus how Moore’s Law, predicting the growth in the number of transistors on a processor, came about. The world is in need of information, and fast. How fast can computers go? This book references how DNA computers use chemical reactions to perform calculations. Using the following Web sites and any other research you might find, write a short paper describing the advances of DNA computing and where it stands today in terms of useful applications. Also list some of the advantages and disadvantages to DNA computing.

Suggested Web Sites

computer.howstuffworks.com/dna-computer.htm
www.cs.virginia.edu/~robins/Computing_with_DNA.pdf
www.casi.net/D.BioInformatics1/D.Fall2000ClassPage/DC1/dc.htm
www.peterindia.net/DNAComputing.html

Suggested Keywords

DNA computing, biotechnology, computer processors

To create paragraphs in your essay response, type at the beginning of the paragraph, and at the end.

Web Project 2: Supercomputers: The Most Powerful Computers in the World

Supercomputers are needed to process the most complex computing tasks. Write a short report detailing three things that supercomputers are often used for. Why are they necessary for these tasks? In addition, use the top500 site (see the link below) to answers to these questions:

How many countries have at least one supercomputer?
What country has the most supercomputers?
Which country has the fastest supercomputer?
What is the most common application for supercomputer processing?
What company makes the majority of the CPUs used by supercomputers?

Suggested Web Sites

en.wikipedia.org/wiki/Supercomputer
computer.howstuffworks.com/mdgrape-3.htm
www.thocp.net/hardware/supercomputers.htm
top500.org/lists/2009/11

Suggested Keywords

supercomputers, what are supercomputers used for, applications for supercomputers

To create paragraphs in your essay response, type at the beginning of the paragraph, and at the end.

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