"The subject of Information technology deals with planning, design, development, and implementation of software systems. This covers computer-based information systems. It comprises of all major information technology areas. The computer executes the instructions given by the user and produces the desired output. The four components of a computer system are an input device, a processing device, a storage device, an output device. Input devices provide ways to communicate with the computer. Processing devices store retrieve and process data into meaningful information which is later displayed on the output device. Storage devices are used to store information.
Computers can be classified into various categories: supercomputer, mainframe computer, minicomputer, and microcomputer. Supercomputers are used for jobs that take massive amounts of calculating, like weather forecasting, engineering design. Mainframe computers are mainly used in banking and financial sectors etc. Minicomputers are mainly used in departmental systems, online reservations, etc. Microcomputers are mainly used in offices and as personal computers.
Today Information Technology is a must as a subject as well as growth in any career. While studying Information Technology as a subject in CBSE curriculum it is difficult for students to find a right helping tool or resource which can provide all the possible solution. Apart from course books by CBSE students also refer and practice NCERT exercises for the subject. NCERT Exercises are a very powerful study material to study and evaluate the understanding of the topic on a deeper level. NCERT Solutions are very helpful and important for the final board exams.
If you are looking for the best NCERT Information Technology solution online then Extramarks is the only trusted name. Extramarks provides NCERT solutions for CBSE Class 9 Information Technology for all chapters. The solutions for CBSE Class 9 Communication Technology includes expert content from the best teachers in the country.
Extramarks make available for students, solutions of difficult questions and learning tricks through smart use of Educational Technology for all classes and subjects. These online courses and exercises offer a thorough understanding of each concept and are enriched using animated images, graphic media content and immersive video lectures. NCERT Solutions for CBSE Class 9 Communication Technology are available on the Extramarks learning app and website.
Make your preparation for this and other subjects for the Class 9 final exams holistic by studying with fun and interactive methods from the Extramarks learning app. To know more, download the app today. "