COMPUTER APPLICATIONS CLASS X

Computer Applications
Class X
Internet (Chap1)


Key Terms:-
• IP- Internet Protocol
• TCP- Transmission Control Protocol
• ISP- Internet Service provider
• WWW- World Wide Web
• HTTP- Hyper Text Transfer Protocol
• URL- Uniform Resource locator
• HTML- Hypertext Markup Language
• DNS- Domain Name System
• ARPANET- Advanced Research Project Agency
• W3C- World Wide Web Consortium
1. IP address- is a unique computer address assigned to any device on the network using internet protocol. Every IP address is unique, global and standardized. 2. Internet Service provider- is a company or business that provide access to the internet and related services. ISP provides the internet connection. ISP’S in India are VSNL, MTNL, Airtel, Reliance etc. 3. Bandwidth- refers to the amount of data that a signal or circuit can carry. Broadband connection speeds are measured in mbps, which stands for megabits (of data) per second.
4. Methods of connecting to internet-
a. Dial-up
b. Broadband
c. Wireless
Method Advantages Limitations
Dial-up
• Inexpensive
• Available anywhere
• Can connect using a cell phone
• Slower than broadband
• Can incur local phone charges
• Need two lines to make phone calls while online
Broadband
• Much faster than dial-up
• Always on; no wait to connect
• More expensive than dial up
• Not available in all areas
Wireless
• Less expensive to set up.
• Not limited to one fixed location
• Connectivity available on the go.
• Ideal for locations having many physical barriers like thick walls
• Vulnerable
• Susceptible to security attacks
• Limited security mechanisms

ASSIGNMENT NO. 2
Q1. Multiple choice questions:-
i. Google Chrome is a
a. Web Browser b. Word processor c. News Website
ii. HTML is a
a. Package b. Software c. Language
iii. The first page that you normally view at a website is its:
a. Home page b. First page c. Master page
iv. The first network that planted the seeds of Internet was
a. ARPANET b. Vnet c. Inet
v. Combination of multimedia and hyperlinks is called
a. Multi-link b. Hypertext c. Hypermedia
Q2. Name two popular search engines?
Q3. What is an ISP? Name one Internet service provider in India.
Q4. Write five uses of Internet for students?
Q5. What is a website?
Q6. In the URL http://www.myfirm.co.in/about.html what do the following stand for
a. http b. in

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