Notes and Study material for Exams
Artificial Intelligence Artificial intelligence (AI) refers to the simulation of human intelligence in machines that are programmed to think like humans and mimic their actions. The term may also be applied to any machine that exhibits traits associated with a human mind such as Learning and problem-solving. Artificial intelligence is based on the principle that … Read more
Variance Variance (σ2) in statistics is a measurement of the spread between numbers in a data set. That is, it measures how far each number in the set is from the mean and therefore from every other number in the set. In investing, the variance of the returns among assets in a portfolio is analyzed … Read more
Specially designed mock Quiz for Science and Technology for the systematic coverage of PSC Exam prelims syllabus and practice. History Free Mock Quiz has 30 questions. If any issue is observed with answer students may comment below , Science and technology are two of the most important forces shaping our world today. They have the … Read more
Remote sensing: principles, electromagnetic spectrum, components and applications Remote sensing, also called earth observation, refers to obtaining information about objects or areas at the Earth’s surface without being in direct contact with the object or area. Humans accomplish this task with aid of eyes or by the sense of smell or hearing; so, remote sensing … Read more
Occupational diversification and social structure Liberalization and society The policy of liberalisation that India has been following since the late 1980s have had a very significant impact on agriculture and rural society. The policy entails participation in the World Trade Organisation (WTO), which aims to bring about a more free international trading system … Read more
Use of I.T. in various Services An important application of information technology is video on demand. It is very common now a days. The cable tv operator provides services to watch any video clipping, movie or any favourite tv program. The channel is established from the computer at home and the cable operator. … Read more
Telecommunication Telecommunications, also known as telecom, is the exchange of information over significant distances by electronic means and refers to all types of voice, data and video transmission. This is a broad term that includes a wide range of information transmitting technologies such as telephones (wired and wireless), microwave communications, fiber optics, satellites, … Read more
Remote sensing- GIS and its application Remote Sensing Remote sensing is the acquisition of information about an object or phenomenon without making physical contact with the object and thus in contrast to on-site observation. In current usage, the term “remote sensing” generally refers to the use of satellite- or aircraft-based sensor technologies … Read more
Working Principle And Use Of Generator Generator is a machine that converts mechanical energy into electrical energy. It works based on principle of faraday law of electromagnetic induction. The faradays law states that whenever a conductor is placed in a varying Magnetic Field, EMF is induced and this induced EMF is equal … Read more