CBSE Class 12 Computer Science Communication And Network Concepts Worksheet

Read and download free pdf of CBSE Class 12 Computer Science Communication And Network Concepts Worksheet. Students and teachers of Class 12 Computer Science can get free printable Worksheets for Class 12 Computer Science Communication And Network Concepts in PDF format prepared as per the latest syllabus and examination pattern in your schools. Class 12 students should practice questions and answers given here for Computer Science in Class 12 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 12 Computer Science Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems with solutions on daily basis to get more score in school exams and tests

Worksheet for Class 12 Computer Science Communication And Network Concepts

Class 12 Computer Science students should refer to the following printable worksheet in Pdf for Communication And Network Concepts in Class 12. This test paper with questions and answers for Class 12 will be very useful for exams and help you to score good marks

Class 12 Computer Science Worksheet for Communication And Network Concepts

CBSE Class 12 Computer Science - Communication and Network Concpets. CBSE issues sample papers every year for students for class 12 board exams. Students should solve the CBSE issued sample papers to understand the pattern of the question paper which will come in class 12 board exams this year. The sample papers have been provided with marking scheme. It’s always recommended to practice as many CBSE sample papers as possible before the board examinations. Sample papers should be always practiced in examination condition at home or school and the student should show the answers to teachers for checking or compare with the answers provided. Students can download the sample papers in pdf format free and score better marks in examinations. Refer to other links too for latest sample papers.

CHAPTER-14

Communication and Network Concpets

Key Points

 A network is a collection of interlinked computers by means of a communication system.

 Switching techniques are used for transmitting data across networks.

 A network can have any of these transmission media or connecting media: twisted pair cable, coaxial cable, optical fibre, microwave , radio wave , satellite etc.

 The pattern of interconnection of nodes in a network is called topology.

 Most popular topologies are star , bus , ring , graph and mesh, tree

 RJ 45 (Registered Jack 45) is a eight wire connector, which is commonly used to connect computers on LANs – especially Ethernets.

 Protocol:- A protocol means the rules that are applicable for a network. Protocol defines standardized formats for data packets, techniques for detecting and correcting errors and so on.

 Some most common protocols are HTTP ,FTP, TCP/IP

 Wireless communication is simply data communications without the use of landlines.

 TDMA:-Time Division Multiple Access technology divides a radio frequency into time slots and then allocates allots to multiple calls. 

 CDMA:-Code division Multiple access uses a spread spectrum technique where data is sent in small pieces over a number of discrete frequencies available for use. Each user’s signal is spread over the entire bandwidth by unique spreading code. At the receivers end, the same unique code is used to recover the signal.

 SMS is the transmission of short text message to and from a mobile phone, fax machine and/or IP address.

 Email (Electronic Mail) is sending and receiving message by computer.

 A web Browser is a WWW client that navigates through the World Wide Web and displays web pages .A web server is a WWW server that responds to the request made by web browser.

 A URL(Uniform Resource Locator) specifies the distinct address for each resource on the internet. An Internet address, which is character, based is called domain name.  

Please click the link below to download full pdf file for CBSE Class 12 Computer Science - Communication and Network Concpets.

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CBSE Class 12 Computer Science Communication And Network Concepts Worksheet

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Worksheet for Computer Science CBSE Class 12 Communication And Network Concepts

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Communication And Network Concepts worksheet Computer Science CBSE Class 12

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Communication And Network Concepts CBSE Class 12 Computer Science Worksheet

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Worksheet for CBSE Computer Science Class 12 Communication And Network Concepts

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