Assessment Exercise 1

INSTRUCTIONS
Read and answer all questions carefully. Answers must be written on a Word file, spell-checked and submitted before the end of the lesson to itgs.sass@gmail.com DO NOT LEAVE THE CLASSROOM UNTIL YOU HAVE RECEIVED DIRECT CONFIRMATION FROM ME THAT THE FILE HAS ARRIVED.

Marking criteria
Each question is worth 10 points. Assessment criteria include:

• Answering to the point. Read the questions carefully and answer what is asked, not more, not less.
• Clarity and precision of answers.
• Ability to apply the concepts learned revealing good technical knowledge of concepts involved. Do not include definitions, no credit will be given for definitions. No copy/pasting is allowed, I will check for the originality of your answers.

1. A computer user operating at our school (from one of the terminals within the school network) types in the address www.google.com and then performs a search. Explain, including all relevant technical details, how information arrives back at the computer with the desired results. The following terms need to be used in your explanation: crawler, inverted index, server, router, DNS, IP, packets.
2. You are about to start up a new business that sells dog food in Buenos Aires with plans to extend to the rest of the country. Explain how you would make sure that your page ranks high when potential clients (dog owners) are searching for places to buy food for their pets. What specific strategies would you use?
3. Choose one of the following statements and discuss it:
   a) Search engines have a great influence on society but they were not created with that purpose in mind.
   b) Individuals can suffer the consequences of search engine manipulation.
   c) The extended use of search engines has resulted in misinformation and users being tricked into wrong decisions.
4. Explain clearly how you assess the validity of a given source when performing a search.
5. Give a brief summary of the contents of the Yahoo! Search video lecture.
6. Go to Google and search for Vitamin supplements and then for “Vitamin supplements”.
   a) Take the first and the tenth site on each search and explain why the difference in the order of appearance.
   a) Explain why the results returned by Google in the first search were different from the second one.