Learning is Life
opnehra Network Devices Network devices are devices or units that are used to exchange data in a computer network. These are also called network equipment. Some of the key network tips are detailed below. Modem The main purpose of the modem is to generate signals that can be sent from … Read more
Computer Network For data transmission, when many independent computers are connected together through some medium, then this arrangement is called computer network. In other words, it can also be said that an interconnected collection of many independent computers is a computer network. Along with computers, other devices and equipment like printers, plotters, … Read more
Output Devices Output devices are the means with the help of which the computer presents the results of data, information, instructions etc. received from the user to the user after processing. These devices translate the 0’s and 1’s of computer language into human language and display the result. Examples of output devices … Read more
Input Devices Data, information and instructions are inserted by the user in the computer with the help of input devices. These devices convert data and instructions given in human language into understandable signals of the computer. This is the computer language of letters, numbers and other symbols (0 and 1 bits) so … Read more
Type of Storage Devices Storage devices do the work of storing data, information etc. Computer data and programs are stored and kept for immediate and future use. The mediums in which they are stored can be divided into two parts- Primary Storage Media and Secondary Storage Media Data and … Read more
Software & Hardware, Computer Languages and Operating System Software & Hardware The work of computer is operated in two parts. Hardware Software Hardware and software together form a complete system . All the equipment, objects, programs, etc. come under either hardware or software. Therefore it is necessary to have knowledge of … Read more
Characteristics, Limitations and Generations of Computer Characteristics of Computer Computer is playing an important role in the development of modern era. Let’s see that What are the characteristics of a computer that make it so important? computer’s Main features are : Speed Computer works at a very high speed. … Read more
Computer : Introduction, Definition, Types and Uses of Computer Introduction of Computer The invention of the computer is a great achievement of the 20th century. Today computer does not need any introduction. Today computers are used in every field of life. The use of computers has become indispensable in all fields of … Read more
Varieties of Crops and Agriculture Crop Carbohydrate as source of energy is obtained from cereals like wheat, rice, maize, bajra and jowar, protein is obtained from pulses like pea, gram, black lentil, urd, moong, arhar etc. and the oil- seeds like soyabean, groundnut, til (sesamum), castor, mustard, alsi (flex) and sunflower provide … Read more
Ecosystem and Biogeochemical cycle Ecosystem It is the structural and functional unit of biosphere and is characterized by self sustenance. i.e. ability to continue a healthy state without outside assistance. It is an open system and depends on sun-energy. Ecosystems may be small or big. There is a continuous exchange of minerals and energy … Read more
Environmental Pollution The meaning of the words pollution and pollute as given in Oxford dictionary are as under : Pollute : Contaminate (or make air, water etc. impure) with harmful or poisonous substances. Pollution : The presence in or introduction into the environment of a substance which has harmful or poisonous effect. Thus … Read more
Celestial bodies and Indian Calendar Here we are studing about Celestial bodies and Indian Calendar in subsequently paragraphs. Celestial Bodies In your earlier you have studied that riddles and puzzles, have witnessed the beautiful scenes of the moons and the stars. Even you can see this mesmersing view at night. You can see … Read more
Yoga Sutras of Patanjali : Chapter 4: Liberation (Kaivalya Pada) Patanjali divided his Yoga Sutras into four chapters or books (Sanskrit – Pada), containing in all 196 aphorisms, divided as mentioned below: Concentration (Samadhi Pada) : 51 aphorisms Practices (Sadhana Pada) : 55 aphorisms Progressing (Vibhuti Pada) : 56 aphorisms Liberation (Kaivalya Pada) : … Read more
Yoga Sutras of Patanjali : Chapter 3 : Progressing (Vibhuti Pada) When Maharshi Patanjali codified, or compiled the Yoga Sutras, it was not that a new system was created, but rather, the ancient practices were summarized in an extremely organized and terse way. While the Yoga Sutras are thought to be as old as … Read more
Yoga Sutras of Patanjali : Chapter 2: Practices (Sadhana Pada) Yoga Sutras of Patanjali succinctly outlines the art and science of Yoga meditation for Self-Realization. Here we are providing Chapter 2: Practices (Sadhana Pada) containing in all 55 aphorisms. Patanjali divided his Yoga Sutras into four chapters or books (Sanskrit – Pada), containing in … Read more
Yoga Sutras of Patanjali Yoga Sutras of Patanjali succinctly outlines the art and science of Yoga meditation for Self-Realization. Yoga Sutras is a process of systematically encountering, examining, and transcending each of the various gross and subtle levels of false identity in the mind field, until the jewel of the true Self comes shining … Read more
Surya Namaskar Surya Namaskar or Sun Salutation is a sequence of 12 powerful yoga poses. Besides being a great cardiovascular workout, Surya Namaskar is also known to have an immensely positive impact on the body and mind. Something special for Surya Namaskar: Surya Namaskar is best done early morning on an empty stomach. Each … Read more
Structure of Matter and Molecule What is Matter Different objects present around us, like- water, air, salt, book, computer etc., are all matter. Every object that occupies space has mass and which can be sensed with the five sense organs, is termed as matter. When we say that matter has mass, it means that … Read more