Assignment:
Use google as your search engine.
1. Suppose I am a biologist and I want to do some research about tigers living in the woods. Now, I want to find some Web pages that satisfy the following conditions:
• containing the word "tiger";
• containing the word "woods" or "forests";
• not containing the proper name "Tiger Woods"; and
• not containing the word "golf"
How can I combine these search conditions to create one query in Google to find these pages? Type your query here exactly as you entered it into the Google search bar (or cut and paste your search strategy):
2. Search the Web and find the answers to the following questions. For each question, make sure you include the /urls you used to find your answers.
a. Who is often called the "Father of Computing" and when did he live?
b. What was the "Analytical Engine"?
c. Was the Analytical Engine designed to run on electricity?
d. Who was Ada Lovelace, and how is she related to the "Father of Computing"?
e. Who was Ada Lovelace's father?
f. What computing "first" is Ada Lovelace known for?
3. Search the Web and find the answers to the following questions. For each question, make sure you include the /urls you used to find your answers:
a. The ENIAC is often called the first general-purpose computer, though some question this distinction. In kilograms, how much did ENIAC weigh?
b. What was ENIAC designed to be used for?
c. In what year was the construction of the ENIAC completed?
d. Some claim that other fully programmable, electronic computers were produced before ENIAC. Find at least one example, the year of its production, and who was responsible for its production.
e. How did the ENIAC computer establish the word "bug" used to describe a problem with a computer?
4. There are many online tools to test the speed of your network connection. Google "speed test" and you can find a lot of them.
For example,
a. Go to https://www.speedtest.net/
Click on "Begin Test." How fast is your connection?
Download speed:
Upload speed:
b. Does your download speed match your upload speed?
c. Provide one reason why it is better to have your download speed greater than your upload speed?
5. We have introduced physical address and IP address of a computer. A physical address is also called MAC (Media Access Control) address or Ethernet ID. It is the unique identifier assigned to a network interface for communications. An IP (Internet Protocol) address is a numerical label assigned to a device participating in a computer network.
In this question, you need to find out:
a. What is the physical address of your computer? Please list all you can find.
b. What is the current IP address, (IPv4 address), of your computer?
6. The "ping" command is a computer network tool used to test whether a particular host is reachable across an IP network.
a. What is the IP address of www.google.com?
b. How long did it take (round-trip time)?
c. What is the IP address of www.hitachi.co.jp?
d. How long did it take (round-trip time)?
e. Did it take more time or less time to send a packet to the hitachi url or the google url? Why?