data

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 system being modeled. Personal computer: A personal computeris a computer small and low … Read more

Migration

Migration has been defined as crossing of the boundary of a political or administrative unit for a certain minimum period of time. It includes the movements of refugees, displaced persons, uprooted people as well as economic migrants. Internal migration refers to a move from one area (a province, district or Municipality) to another within one … Read more

World Distribution of forest reserves

Distribution of natural Resources World Distribution of forest reserves Forests cover 31 percent of the world’s land surface, just over 4 billion hectares. (One hectare = 2.47 acres.) This is down from the pre-industrial area of 5.9 billion hectares. According to data from the U.N. Food and agriculture Organization, deforestation was at its highest rate … Read more

IT Act (2000)

  The Government of India enacted the Information Technology (I.T.) Act with some major objectives to deliver and facilitate lawful electronic, digital, and online transactions, and mitigate cyber-crimes. The original Act contained 94 sections, divided in 13 chapters and 4 schedules. The laws apply to the whole of India. Persons of other nationalities can also be … Read more

Basics of cyber security

Cyber security is a process, technique or procedure to ensure information security goals. Aim of Information Security is to provide CIA i.e. Confidentiality of information Integrity of information Availability of information   These 3 parameters (CIA) are called security goals/security Services. The other security objectives also include such other parameters as authenticity, authorisation, accounting and … Read more

Indian Space Science Data Center(ISSDC), Ramanagara

Indian Space Science Data Center(ISSDC), Ramanagara The Indian Space Science Data Center (ISSDC) is located at the Indian Deep Space Network (IDSN) Byalalu campus of ISTRAC/ISRO. ISSDC provides data ingestion, processing, archival and dissemination Services to the global science community for the science missions of ISRO. ISSDC is designed to provide high computation, high capacity … Read more

Purusharth

Purusharth The Hindu scriptures declare four goals in human life and they are called the purushartha. The term purushartha not only denotes what the objectives of life should be but it also means what the objectives of life are as the result of the psychological tendencies of the individual. The purushartha consists of dharma, Artha, … Read more

Probability

Probability Probability is simply how likely something is to happen. Whenever we’re unsure about the outcome of an event, we can talk about the probabilities of certain outcomes—how likely they are. The analysis of events governed by probability is called statistics. Tossing a Coin When a coin is tossed, there are two possible outcomes: heads … Read more

Data handling and Interpretation (charts, graphs, tables, data sufficiency etc.)

We have Bifurcated the topic Data handling and Interpretation (charts, graphs, tables, data sufficiency etc.) into following topics for exhaustive study:- Data Analysis – Mathematical operation Basic numeracy (numbers and their relations, orders of magnitude etc.) Data Interpretation (charts, graphs, tables, data sufficiency etc.) and analysis of data. Data Collection Analysis- Interpretation- Collection, Interpretat ion and … Read more