Computer Science
Class-VII
Chapter-3 Browsing Internet
A. Tick the correct answer:
1. The Internet is a __________ public spiderweb of computer connections.
a. massive b. tiny c. compact d. loose
Answer: Massive
2. Ther term ___________ refers to the World Wide Web or simply the web.
a. WCW b. WWW c. WVW d. WWP
Answer: WWW
3. The most interesting thing about internet is that no signal controls or maintains the :
a. computer b. protocol c. internet d. web
Answer: Internet
4. Electronic Mail, better known as:
a. Gmail b. Goolge c. E-com d. Email
Answer: Email
5. What is widely considered the buying and selling of products over the internet?
a. E-commerce b. Electronic Mail c. Electronic device d. E-mail
Answer: E-commerce
6. A ___________ room is an area on the internet or other computer network where users can communicate.
a. E-com b. chat c. E-mail d. date
Answer: Chat
7. What is chiefly a vast resource of information?
a. computer b. E-mail c. Internet d. Magazine
Answer: Internet
8. The INBOX is normally opened automatically when you _____ to read your mail
a. Logout b. Sign out c. Add account d. login
Answer: Login
B. Fill in the blanks:
1. The most interesting thing about ____________ is that no signal agency controls or maintains the internet.
Answer: Internet
2.The WWW is just one of many __________ of the internet and comupter networks.
Answer: Applications
3. E-commerce is subdivided into __________ categories.
Answer: Three
4. A chat room allows users to ___________ with one another through instant messaging.
Answer: Communicate
5. Internet is such a huge network of several different _______ networks.
Answer: Interlinked
6. To use e-mail facility on the internet, first of all we have to create our personal ______ account.
Answer: E-mail
7. To send and receive e-mails, we have to first log onto our e-mail account by visiting its website and typing the ____________ and ____________.
Answer: Username, Password
8. Composing an e-mail messsage is just like writing a note in a ________ processor.
Answer: Word
C. Write true or false:
1. The U.S defence department set an Advanced Research Project Agency for future research.
Answer: T
2. Research Tim Berners Leee led the development of the original world wide web in the late 1980s and early 1990s.
Answer: T
3. The postal address details like name, address, city , state, pin, country, etc.
Answer: T
4. Business to business, business to consumer and consumer to consumer are the three categories of e-mail.
Answer: F
5. You can visit any website by typing its address in the address bar.
Answer: T
6. Modem is a device that connects to your computer with the telephone line.
Answer: T
7. Each website has two pages.
Answer: F
8. The send email tool in a course is a read only tool.
Answer: F
D. Answer the following questions:
1. What is the full form of ARPANET?
Answer: Full form of ARPANET:
Advanced Research Project Agency Network.
2. On which technologies is the World Wide Web based?
Answer: The world web is based on these technologies:
* HTML- Hyper Text Markup Language
* HTTP- Hyper Text Transfer Protocol
* Web servers and web browsers.
3. Who developed the world wide web and when?
Answer: Tim Berners Lee development of the original World Wide Web in the late 1980s and early 1990s.
4. What is the use of composing an email?
Answer: Composing an e-mail message is just like writing a note in a wordprocessor.Once you have finished composing your message, you type your recipients e-mail addresses and the subject of your message in the appropriate boxes and your message is ready to send.
5. What is modem?
Answer: Modem is a device that connects to your computer with the telephone line. It changes the computers signals so that they can travel through telephone lines and vice versa.
6. What is a chat room?
Answer: A chat room is an area on the internet or other computer network where users can communicate. It allows users to communicate with one another through instant messaging.
7. Briefly explain the term Internet.
Answer: Network of networks is called Internet. World Wide Web is also called Internet. Internet is such a huge network of several different interlinked networks.
8. Define e-commerce.
Answer: E-commerce stands for electronic commerce. The buying and selling of products and services by businesses and consumers through an electronic medium is called e-commerce.
9.What do you understand by ISP?
Answer: ISP-Internet Service Provider is a company that give you access to the internet for a fee. The browser will not be able to display pages unless the computer is connected to an ISP. Example- BSNL, Airtel, Reliance etc.
10. What are the features of electronic mail?
Answer: Features of electronic mail:
* E-mail is the fastest way of sending mails.
* The cost of sending an e-mail is very less.
* The postal address details like name, address, city ,state, pin, country.
* We can attach photos, videos or other important data.
11. What is search engine? Write some examples.
Answer: Search engine is used for searching information. Some search engines are: www.google.com, www.yahoo.com, www.bing.com etc.
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