Science and Technology has been a significant Unit and plays an important role in all competitive exams such as UPSC, NEET, UGC, CAT etc. Also Read: Development in Science in India is an…
Read moreThe abacus is the first known calculating device. This illustrates how the ancient computers worked. It was invented by the Chinese and is still widely used in the far east for commercial calculations….
Read moreComputer has become an essential part of our day-to-day activities. Computers are used more or less in every sphere of life. Its growing importance is because if its unique features such as Accuracy,…
Read moreIn recent years, the computer industry has grown at a phenomenal pace. In a short time of 35 years or so computers have improved tremendously. In the last decade the speed of the…
Read moreComputer is an electronic device for performing arithmetic and logical operations. Actually speaking electronic data processing does not go far back into the history. It is in existence merely from early 1940’s. The…
Read moreIt is a branch of technology known as information security as applied to computers. The objective of computer security varies and can include protection of information from theft or corruption, or the preservation…
Read moreA DBMS is a software package for defining and managing a database. A real database includes various definitions such as fields names, data formats, record structures, file structures, rules for validating and manipulating…
Read moreA database management system (DBMS) is the software that allows a computer to perform database functions of storing, retrieving, adding, deleting and modifying data. Relational database management systems (RDBMS) implement the relational model…
Read moreIn the beginning, only government “think tanks” and a few universities were linked. Basically the internet was an emergency military communications system operated by the Department of Defense Advanced Research Project Agency. The…
Read moreThe internet is a network of computers spanning the globe. This communication structure is a system connecting more than fifty million people in countries around the world. A global web of computers, the…
Read moreSpecific tasks of the computer are performed by the application software which includes applications such as Word Processor, MS Paint, Calculator and Games. Thousands of other programs are also available on the Internet….
Read moreSoftware is a general term for the various kinds of programs used to operate computers and related devices. Software can be thought of as the variable part of a computer and hardware the…
Read moreSpecific tasks of the computer are performed by the application software. It includes applications such as Word Processor, MS Paint, Calculator and Games. Thousands of other programs are also available on the Internet….
Read moreThe instructions that tell hardware what to do are called software. The two major categories of software are Operating System Software and Application Software. As computer entered the third generation, in addition to…
Read moreThe CPU processes the data it receives as input. The CPU receives the data in the form of binary bits, which it can understand. The CPU performs many functions like: The CPU can…
Read moreA digital computer can be broadly classified as a collections of four components. They are: Input Unit, Output Unit, CPU and Memory. Also Read: Computer Architecture G.K. Multiple Choice Questions With Answers –…
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