CBSE Class 12 Informatic Practices Computer Networking

Read and download CBSE Class 12 Informatic Practices Computer Networking chapter in NCERT book for Class 12 Informatics Practices. You can download latest NCERT eBooks for 2022 chapter wise in PDF format free from This Informatics Practices textbook for Class 12 is designed by NCERT and is very useful for students. Please also refer to the NCERT solutions for Class 12 Informatics Practices to understand the answers of the exercise questions given at the end of this chapter

Computer Networking Class 12 Informatics Practices NCERT

Class 12 Informatics Practices students should refer to the following NCERT Book chapter Computer Networking in standard 12. This NCERT Book for Grade 12 Informatics Practices will be very useful for exams and help you to score good marks

Computer Networking NCERT Class 12

After learning this chapter the students will be able to:

   Define what a Computer Network is

   List the benefits of networking

   List different wired and wireless media for communication

   Identify different network devices

   Identify the type of network on the basis of area covered

   Describe various terms associated with computer networks.

   List various security threats to computer networks

   List the preventive and corrective measures against these threats

Have you ever worked on Internet? Have you ever used an ATM? Have you evergiven the print command on a computer to get the printout on a printer attached to some other computer? Have you ever transferred songs from your computer to a cell phone or vice-versa? If the answer to any of these questions is YES, then you have experienced and utilized the services of a computer network. In this chapter you will study about various types of computer networks, their benefits, and what is required to create computer networks.

Can you place 10 coins in such a way that they lie in 5 straight lines and on each line there are exactly 4 coins? Such situations are faced by the designers of computer networks. They have to think of various ways of interconnecting the computers so that the specific goals of network setup are achieved.

Networking - a brief overview

A computer network is a collection of interconnected computers and other devices which are able to communicate with each other. In this context, the term interconnected means that there exists a path through which data can be transmitted from one computer/device to another.

   A computer network is a collection of interconnected computers and other devices which are able to communicate with each other and share hardware and software resources. 

   Why do we have computer networks? Are there any advantages of networked computers over stand alone computers? Yes, there are many. A few of these advantages are: Resource Sharing

   Cost saving

   Collaborative user interaction

   Time saving

   Increased storage

Let us discuss these advantages in some details

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