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Basic Knowledge of Computers

Classifications, generations, applications and limitations of digital computers   Computer Classification: By Size and Power Computers differ based on their data processing abilities. They are classified according to purpose, data handling and functionality. According to functionality, computers are classified as: Analog Computer: A computer that represents numbers by some continuously variable physical quantity, whose variations mimic the properties of some … Read more

Global warming

Global warming is a term used for a gradual rise of atmospheric temperature and consequent changes in the radiation balance mainly due to human action leading to climatic change at different levels – local, regional and global. As per recent estimates, it has been found that  the surface air temperature over the past 100 years … Read more

28.03.18 (CGPCS) Chhattisgarh Current Affairs

CHHATTISGARH Raipur witnesses a magnificent arangetram performance   Elegance and gracility were the words which best defined the Bharatnatyam Arangetram of Kumari Ray, which brought quite a few dance gurus from various parts of India and classical dance lovers of Raipur under one roof.   Arangetram is not only the first public performance of a trained dancer but it is … Read more

08.02.18 Chhattisgarh (CGPCS) Current Affairs

CHHATTISGARH 54l quintal food grains allotted under pds: govt   Under State Government’s Public Distribution System (PDS), 20.54 lakh quintals of food grains have been allotted to all 27 districts of the state for February month, officials informed.   The allotment by Food, Civil Supply and Consumer Protection Department includes 18 lakh 28 thousand 644 … Read more

Rural Development of Chhattisgarh

Rural development is the process of improving the quality of life and economic well-being of people living in rural areas, often relatively isolated and sparsely populated areas. Rural development has traditionally centered on the exploitation of land-intensive natural resources such as agriculture and forestry. Main Aims of Rural Developement are:- Providing livelihood opportunities to those in need including women and … Read more

Laboratory method of preparation acetic acid

Laboratory method of preparation acetic acid Ethanoic Acid (Acetic acid – CH COOH) Ethanoic acid is the second member of the homologous series of carboxylic acids. In other words, vinegar contains about 5 to 8% acetic acid. We will now describe two methods for the manufacture of ethanoic acid. In the first method, ethanoic acid … Read more

Properties of polythene

Properties of polythene Polyethylene is a thermoplastic polymer with variable crystalline structure and an extremely large range of applications depending on the particular type. It is one of the most widely produced plastics in the world (tens of millions of tons are produced worldwide each year). The commercial process (the Ziegler-Natta catalysts) that made PE … Read more

Fertilizers

Fertilizers All plants need certain mineral nutrients to survive. These minerals occur naturally in the soil and are taken up from the soil by the roots of the plants. Most soils usually have enough of these minerals to keep plants healthy. However, some nutrients are gradually used up by the plants, or are washed out … Read more

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