CS180 Spring 2009 Homework #4 (due on April 20th in class) Name: ______________________ ID:_______________________________ Fill in the best answer: (0.2 point each) 1. A network ___________ card (NIC) is a small circuit board that converts the digital signals from a computer into signals that can travel to and from network devices, such as printers. 2. The database that keeps track of the names that correspond to IP address is called the ___________ Name Syste m. 3. A Trojan ____________ is a computer program that seems to perform one function while actually doing something else. 4. Unlike a virus, which is designed to spread from file to file, a(n) ____________ is designed to spread from computer to computer. 5. The unwanted electronic junk mail is called _______________. 6. A ______________ is a message containing information about the user sent from a web server to a browser and stored on the user’s hard drive. 7. The ________________ is a collection of documents that can related by links. 8. Popular Web browsers include Windows ______________ Explore, _______________ Firefox, and Netscape __________________. 9. The most popular digital ____________________ formats include AAC, AIFF, MP3, RealAudio, Wave and WMA. 10. Color _____________ refers to the number of colors available for use in an image. As it increases, image quality improves. Answer the question: (1 point each) 1. Explain the difference between a client/server network and a peer‐to‐peer network. 2. Draw the major components
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