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INSIDE THE SERIES
The key features of the series have been designed to ensure better learning, assessment
and evaluation.
Learning Resources
Wireless Mouse
A wireless mouse has no wire. It runs on batteries. It is also
an optical mouse.
Functions of the Mouse
Wireless mouse
Let us study the various functions of a mouse.
click
Single-click or Click
Your Aim: This section Tech Funda: This section Clickipedia: This section
Releasing the left button of the mouse after pressing it once is
called single-click. A single-click is for selecting an item.
click
describes the objective of
1 Computer Networking provides a practical information Single-click provides interesting
click
the chapter. or tip to the students. Double-click computer facts.
Releasing the left button of the mouse after pressing it twice
quickly is called double-click. A double-click opens the selected
item. Double-click
Your Aim Tech Funda
to learn about:
Computer Network Need for Computer Network
Advantages of Computer Network Components of a Network Home key moves the cursor to the beginning of Home The computer mouse was invented by Douglas Engelbart.
Network Terminologies Devices Required for a Network the line.
Types of Networks Topology It was a wooden mouse.
Network Architecture Wireless Networking Technology
Protocol
The process of connecting computers and peripheral devices with each other, so that they can Right-click
exchange data is called computer networking. Various hardware devices, protocols and software click
are required for networking. In this chapter you are going learn about networking and the Releasing the right button after pressing it once is called
concepts related to computer networking. right-click. It displays a list of properties of the selected item.
COMPUTER NETWORK Tech Funda
A computer network is a group of interconnected computer systems and other computing
devices.
Right clicking on any item Right-click
displays a pop-up menu.
Keyboard and Mouse 41
Printing a Report
To print a report, follow these steps:
Step 1 Click on the File menu.
Hands-On: This section Restart: This section provides Lab Session: This is a lab
Step 2 Select the Print option. The Print dialog
2. box appears. It allows you to change the Page
Computer Network Orientation and Page Setup.
contains craft based activities
Step 3 Select the appropriate printer and click on the
The computers on the network can communicate with each other as well as work independently. a summary of the chapter for activity to develop practical
Each computer in a network is called a node. The computers in the network maybe linked through Print button. Report will be printed.
a cable, hub, switch, NIC (Network Interface Card), modem or router. Print dialog box
for home assignment. 7 quick recapitulation. skills.
Computer Networking
If a database is like a treasure chest and you're the treasure keeper, how would
you organise and store your precious items to make sure you can find them
easily when needed?
21 st Century #Technology Literacy
Lab Session Skills
Restart
21 st Register yourself with an e-greeting website such as http://egreetings.gov.in and send an
Century #Social Interaction e-greeting to your friend.
Skills #Information Literacy Forms are used to add, edit and display data from the tables in a user-friendly manner.
A query is one of the most powerful features in LibreOffice Base, allowing you to retrieve
Look around your surrounding and try to find out more examples of input specific information that may not be easily visible in the tables directly.
→ processing → output cycle. Note them in you notebook and discuss with A relationship is a link that associates a field in one table with the same field in another
your class. table. It works by matching a field with the same name in both the tables.
A report in LibreOffice Base is a feature which allows you to organize and present your
data in a user-friendly format so that it can be printed.
Register yourself with a social networking website such as Facebook and send a friend request to
your classmate.
Checkpoint Teacher's Note
1. Discuss the importance of security and types of threats arising from multiple sources.
2. Discuss some important services provided by the Internet.
A. Tick ( ) the correct option.
Lab Session Century Skills 21 st #Creativity 1. Which feature in LibreOffice Base allows us to retrieve data from a table?
3. Discuss reasons for increased cyber crimes around the world.
#Technology Literacy
a. Form b. Query
Draw the following output device in Tux Paint.
c. Report d. None of these
2. Which of the following is an organised way of creating, editing and displaying data from the table?
a. Report b. Form
c. Query d. Table
More on LibreOffice Base 45
Teacher's Note Explore More: This section 84 Glossary: This section
Speech Drill: This section
1. Explain the concept of IPO cycle with the help of real life examples. Plus (Ver. 3.2)-VIII
2. Demonstrate the Input-Process-Output cycle using Calculator application on the
(in I, II) emphasises on practising contains supplement topics for contains definition of
computer.
the correct way to pronounce add-on knowledge. important IT terms.
new words.
Explore More
Magical Mouse GLOSSARY
28 Plus (Ver. 3.2)-II SPEECH DRILL
Algorithm: Algorithm is the sequence of steps or computer operations which collectively
solve a given problem.
Learn how to pronounce these words correctly. Cell reference: A cell reference is a cell address that can be used in a formula to denote a
Let’s know about the different types of mouse. specific cell.
FINGER MOUSE Class: A class can be defined as a user defined blueprint or prototype that is used to create
Computer kuhm·pyoo·tr objects.
Finger mouse was created by Michael
Cole. As soon as your index finger E-commerce: E-commerce means to buy or sell products on an online service over the Inter-
Windows win•dowz touches the table, the mouse pointer net.
starts following your fingertip. When Functions: Functions are predefined formulas in Excel to perform both simple and complex
you lift again your fingertip, the mouse
Internet in•tr•net pointer stops moving. calculations.
Gateway: A gateway is a network device that allows to data to flow between two different
networks which may use different protocols.
Color kuh•lr
Intranet: A computer network that is used for sharing information, devices and other com-
puting services only within an organisation is called Intranet.
Input in•put WIRELESS MOUSE Legend: Legend is a key which shows the meanings of symbols and colours used in the chart.
Wireless mouse is connected with
the help of WiFi or Bluetooth to your
Curve kurv computer. Networking: The process of connecting computers and peripheral devices with each
other, so that they can exchange data is called computer networking.
Operating System: An operating system is a system software that works as a mediator be-
Linux li•nuhks tween user and computer hardware.
Operator: An operator is a symbol that tells the compiler to perform specific mathematical
Tools toolz or logical.
GAMING MOUSE Protocol: A protocol is set of standard rules used for communication.
Portable pawt•uh•bl Gaming mouse was made by Min-
User Interface: A User Interface (UI) refers to a part of an operating system that allows a user
Liang Tan. It is mainly used to play to interact with computer.
Pointing poyn•ting games because it also has some
keys on it. Web app: A Web app is an application program that is stored on a remote server and ac-
cessed over the Internet through a Web browser interface.
Ubuntu oo•boon•too
Web Portal: A website that is specifically designed to provide a single point of access for in-
formation is called web portal.
Note: These are American accent as used in computer science.
Speech Drill 85
82 Plus (Ver. 3.2)-II
180 Plus (Ver. 3.2)-VIII

