One of the most important fundamental software in computing is the Operating system. An operating system, or OS, manages and creates harmony between all software and hardware related to the computer device. Operating systems control or monitor the execution of all other programs in the computer. Operating systems also provide security by keeping the applications … Read more
An operating system, popularly termed as OS, is a system software that manages computer software and hardware and provides common services for computer programs. The operating system runs applications and simplifies problem-solving for users, ensuring the system is user-friendly and easy to navigate. Basics of Operating System (OS): Features of an Operating System: The structure … Read more
An output device is a type of computer hardware that processes and converts information and data into a form that is human-understandable or into a physical, machine-readable form for use with other non-computerized equipment. The output can be text, audio, video, or graphics. Some of the output devices are: monitors, printers, speakers, and projectors. The … Read more
In a computer, input devices are those pieces of equipment used to provide data and control signals to an information processing system, such as a computer or other information appliances. For example, a mouse, keyboard, scanner, camera, and microphone. Input devices work as an interface between the outer world and the computer for proper communication. … Read more
A domain extension is the combination of characters following the period in a web address. Usually, domain name extensions are the last part of the domain name. For example, in the ‘https://sscrailwayexamprep.in’, .in is the domain name extension. A Top-level domain (TLD) is the rightmost portion of a domain name, located just following the last … Read more
The term ‘ Stone Age’ is used to describe a period when stone was used as the most abundant material for making tools. The Stone Age started around 2-2.5 million years ago. However, the transition out of the Stone Age occurred approximately 6000 BC – 2500 BC. The Stone Age is divided into three broad … Read more
The atmosphere is a thick layer of gases which surrounds the Earth from outer space and is always attached to the Earth’s gravitational force. The atmosphere shields the sun’s ultraviolet rays, as well as protecting us from the showers of meteors. It contains life-forming gases like oxygen for creatures and carbon dioxide for plants. The … Read more
After the partial success and evolution of ‘continental drift theory’ and ‘sea floor spreading’, scientists searched for a broader and logical concept. Hence, the ‘Plate-tectonic theory’ came into existence in 1967. Concepts like continental drift theory and sea floor spreading gave an idea about Earth’s movements, but didn’t answer every question. Hence, a better theory … Read more
The universe is the sum of the potentially knowable objects, such as planets, stars, galaxies, intergalactic space, sub-atomic particles, all matter and energies. The study of the universe as a whole is called cosmology. All the heavenly bodies, such as stars, plants, satellites, comets, and meteors, are known as celestial bodies, and they come together … Read more
Minerals are naturally occurring substances that have specific physical and chemical properties, and are the basis for the development of the economy of any country. India is endowed with a variety of minerals that form the backbone of its industries. More than 90% of the minerals are concentrated around the Chhotanagpur plateau. Over 75% of … Read more
