CBSE Class 12 - Informatics Practices - Question Paper (2016-17) (#cbsePapers)

CBSE Class 12 - Informatics Practices - Question Paper (2016-17) 

CBSE Class 12 - Informatics Practices Syllabus (2017-18) (#cbseNotes)

Informatics Practices Syllabus (2017-18)

CBSE Class 12 Informatics Practices

Here presents the prescribed syllabus for Class 12 Informatics Practices for the curriculum 2017-18.

CBSE Class 12 - Computer Science / Informatics Practices - Computer Networking - Data Transmission Media - Q and A (#cbseNotes)

Data Transmission Media

Computer Networking

Class 12 - Computer Science / Informatics Practices

Q & A

Q: Define transmission media.

Answer: The means or channel through which we send our data from one place to another are called transmission media.


Q: What are different categories of transmission media?

Answer:
① Guided or Wired Media- Examples are
ⅰ Twisted Pair Cable
ⅱ Co-axial cable
ⅲ Fibre active cable

② Unguided or Wireless Media - Examples are:
ⅰ Satellite
ⅱ Microwave
ⅲ Wifi
ⅳ Radiowave


Q: Define baud.

Answer: Baud is used as measurement for the information carry of a communication channel. It is measured in Kbps (kilobits Per Second), KBPS (Kilo Byte Per Second), and Mbps (Mega bits Per Second )

CBSE Class 12 - Computer Science / Informatics Practices - Computer Networking - Q and A (#cbseNotes)

Computer Networking 

Q and A

Q1: What is a computer network?

Answer: A computer network is a collection of interconnected computers. Two computers are said to be interconnected if they are capable of sharing hardware, software and exchanging information.


Q2: Name the architectures that are involved in network design?

Answer:
① Peer to peer (P2P)
② Client - Server
③ Hybrid of client-server and P2P

CBSE Class 12 - Informatics Practices - Important Abbreviations To Memorise (#cbseNotes)

IMPORTANT ABBREVIATIONS USED IN IP

ASCII: American Standard Code for Information Interchange

CSS: Cascading Style Sheet

CRM: Customer Relationship Management

CAPTCHA: Completely Automated Public Turing Test Tell Computers and Human Apart

DDL: Data Definition Language

DML: Data Manipulation Language

GNU: GNU’s not UNIX

ISCII: Indian Standard Code for Information Interchange

ICT: Information and Communication Technology

CBSE Class 12 - Informatics Practices- Sample Question Paper with Marking Scheme(2016)

CBSE Class 12 - Informatics Practices- Sample Question Paper with Marking Scheme(2016)