SESSION 7:
PERFORMING BASIC FILE OPERATIONS
The following are some of the more common file formats:
• Word documents (.doc/.docx)
• Images (.gif and .jpg)
• Executable programs (.exe)
• Multimedia files (.wma and others)
1. Close the file to be renamed, if opened.
2. Locate and Select the file
3. click the right button of mouse
4. Select Rename
5. The filename will become editable – type the new name and press ENTER Key on the keyboard.
OR
Locate and Select the file
[1] Click F2 button of mouse
[2] The filename will become editable – type the new name and press ENTER Key on the keyboard.
To delete a file/Folder:
Close the file to be deleted, if opened.
Locate and Select the file
[1] Click the right button of mouse
[2] Select Delete
[3] Pop up will ask to confirm File Delete – Click on YES.
OR
Locate and Select the file
[1] Press Delete key on keyboard
[2] Pop up will ask to confirm File Delete – Click on YES.
To COPY-PASTE a file/Folder:
Locate and Select the file
[1] Click the right button of mouse
[2] Select Copy
[3] Change the Drive and Folder to target location
[4] Click the right button
[5] Select Paste.
OR
Locate and Select the file
[1] Press CTR&C Keys together
[2] Change the Drive and Folder to target location
[3] Press CTR&V Keys together.
Note: In Copy-Paste, the file will remain there in the original location and a copy of the
same will be saved on the new location.
To CUT-PASTE a file/Folder:
Close the file to be moved, if opened.
Locate and Select the file
[1] Click the right button of mouse
[2] Select Cut
[3] Change the Drive and Folder to target location
[4] Click the right button
[5] Select Paste.
OR
Locate and Select the file
[1] Press CTR&X Keys together
[2] Change the Drive and Folder to target location
[3] Press CTR&V Keys together.
Note: In Cut-Paste, the file will be removed from the original location and will be copied
in the new location.
SESSION 8:
THE INTERNET
Networks of network is called internet. It's also called superhighway of information.
For Connect to the Internet, you need a computing device, a connection device, and an
Internet Service Provider (ISP).
Some ISP Names :-
BSNL (Bharat Sanchar Nigam Limited)
MTNL (Mahanagar Telecom Nigam Limited)
VSNL (Videsh Sanchar Nigam Limited)
Airtel
Idea
Reliance Jio
Types of Internet Connection:
- Dial-Up Connection : Very Slow Internet Connection. (Data Transfer Speed 56 Kbps)
- DSL (Digital Subscriber Line)/ADSL (Asymmetric Digital Subscriber Line) :- Like a Broad Band Or Leased Line Connection. (Data Transfer Speed 384 Kbps to 8 Mbps).
- Cable Modem : Use Internet Connection through cable TV connection.(Speed 4 Mbps).
- T1 & T3 Line :- Data Transfer Speed 1.544 Mbps (Dedicated Phone line Connection)
- Wireless : Popular Internet Connection Data Transfer speed 11 Mbps to 45 Mbps.
There are two technique of searching information on internet:
1. Through perfect URL (Uniform Resource Locator) or Website.
2. Through search engine.
Search Engine :
A web search engine is a software system that is designed to search for information on the World Wide Web. The search results are generally presented in a line of results often referred to as search engine results pages. The information may be a mix of web pages, images, and other types of files.
Some Search Engines :
Google, Yahoo, Bing/MSN, Ask etc.
Bandwidth :-
Bandwidth is defined as a range within a band of frequencies or wavelengths. Bandwidth is also the amount of data that can be transmitted in a fixed amount of time.
For digital devices, the bandwidth is usually expressed in bits per second(bps) or bytes per second. For analog devices, the bandwidth is expressed in cycles per second, or Hertz (Hz).
SESSION 9:
THE WORLD WIDE WEB
Definition :
The World Wide Web, also called the Web, is an information space where documents and other web resources are identified by Uniform Resource Locators, interlinked by hypertext links, and accessible via the Internet. English scientist Tim Berners-Lee invented the World Wide Web in 1989.
Browser :
A web browser is a software application for accessing information on the World Wide Web. Each individual web page, image, and video is identified by a distinct URL, enabling browsers to retrieve and display them on the user's device.
For Example :- Google Chrome, Internet Explorer, Mozilla Firefox, Opera, Safari etc.
Web Page :
A Web page is a formatted text document on the Web that a Web
browser can display.Website :
A Web site is one or more Web pages that reside on a single server. It's also called collection of web pages.
URL (Uniform Resource Locator)/Web Address:
Stands for "Uniform Resource Locator." A URL is the address of a specific webpage or file on the Internet.
For example http://www.ugc.ac.in/page/Annual-Report.aspx
URL Components :-
- http:// :- Indicates the protocol to be used to access a file.
- www :- Indicates that the Web site is on the Web.
- ugc :- Indicates the name of the domain.
- ac.in :- Indicates the type of domain. (TLD : Top Level Domain).
- /page/Annual-Report.aspx :- Indicates the path of the document.
Some Top Level Domains:
Name
|
Entity
|
.com
|
commercial
|
.org
|
organization
|
.net
|
network
|
.int
|
international organizations
|
.edu
|
education
|
.gov
|
National and state government agencies
|
.mil
|
military
|
E-Commerce :
E-commerce is the activity of buying or selling of products on online services or over the Internet. Electronic commerce draws on technologies such as mobile commerce, electronic funds transfer, supply chain management, Internet marketing, online transaction processing, electronic data interchange (EDI), inventory management systems, and automated data collection systems.
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