Computers – An Introduction A computer is defined as an electronic device that accepts input‚ processes it as per the given instructions and produces meaningful output. The term computer is used to describe a device which is combination of electronic and electromechanical devices. It is derived from the word “Compute” which means Calculation. “Charles Babbage” is known as the father of the computer. Data and Information Data refers to raw facts that are gathered and fed to the computer. A computer
Premium Computer Graphical user interface Personal computer
-An abstraction omits unneeded helps us cope with complexity detail‚ s. co 0.1 What is happening below Your Program? m 1 Introduction & MIPS http://handoutsuite.googlepages.com Little bit of History “Where . . . the ENIAC is equipped with 18‚000 vacuum tubes and weighs 30 tons‚ computers in the future may have 1‚000 vacuum tubes and perhaps weigh just 11/2 tons. Popular Mechanics‚ March 1949”!!! 1.2.1 Performance Benchmark • Benchmarks used to compare performance
Premium Central processing unit
Computer keyboard In computing‚ a keyboard is a typewriter-style device‚ which uses an arrangement of buttons or keys‚ to act as mechanical levers or electronic switches. Following the decline of punch cards and paper tape‚ interaction via teleprinter-style keyboards became the main input device for computers. A keyboard typically has characters engraved or printed on the keys and each press of a key typically corresponds to a single written symbol. However‚ to produce some symbols requires pressing
Premium
Information Technology History of Computer The first computers were people! That is‚ electronic computers (and the earlier mechanical computers) were given this name because they performed the work that had previously been assigned to people. "Computer" was originally a job title: it was used to describe those human beings (predominantly women) whose job it was to perform the repetitive calculations required to compute such things as navigational tables‚ tide charts‚ and planetary positions for
Premium Computer Personal computer
Chapter 30: The West at the Dawn of the 21st Century~. ----------------------------------- The 20th century movement of people: The Soviet communists’ forced removal of the Russian peasants and the Nazi’s deportations and execution of European Jews were only the most dramatic examples of this development. Many moved from the countryside to the cities. Other vast forced movements due to the government caused millions of Germans Hungarians‚ Poles‚ Ukrainians‚ Bulgarians‚ Serbs‚ Finns‚ Chechens
Premium Europe European Union World War II
Chapter 30 Notes THE TWENTIETH CENTURY MOVEMENT OF PEOPLE Significant numbers of people moved – willingly or not – in and out of various parts of Europe in the 20th century. Europeans moved from the country to the city; the Nazis and the Soviets displaced millions of people‚ re-settling some and killing others; post-war border changes and policies pushed and pulled local minorities and entire nations around the map of Europe. Millions of Europeans emigrated‚ while European colonials returned
Premium Europe World War II Cold War
INFORMATION TECHNOLOGY: Set of tools‚ processes‚ and methodologies (such as coding/programming‚ data communications‚ data conversion‚ storage and retrieval‚ systems analysis and design‚ systems control) and associated equipment employed to collect‚ process‚ and present information. In broad terms‚ IT also includes office automation‚ multimedia‚ and telecommunications AREAS AND USES OF COMPUTER: * EDUCATION Computers are used in schools for teaching Computers are used for mathematical calculation
Premium Computer
computer sciences EDITORIAL BOARD Editor in Chief Roger R. Flynn University of Pittsburgh‚ Pittsburgh‚ PA Advisory Editors Ida M. Flynn University of Pittsburgh‚ Pittsburgh‚ PA Ann McIver McHoes Carlow College‚ Pittsburgh PA EDITORIAL AND PRODUCTION STAFF Kathleen J. Edgar‚ Senior Editor Shawn Beall‚ Cindy Clendenon‚ Alja Collar‚ Debra M. Kirby‚ Anjanelle M. Klisz‚ Mark F. Mikula‚ Charles B. Montney‚ Kate Millson‚ Nicole Watkins Contributing Editors Michelle DiMercurio‚ Senior Art Director Rita
Premium Computer
The Decade of the 1940s Nickenha Ashley History of Psychology Dr. Specht November 20th‚ 2013 The 1940s was a great period of well-known events in history. One of the most important events of the decade was World War II‚ which basically ruled the 1940s. World War II started on September 1‚ 1939 beginning with the German invasion of Poland; and Britain and France declaring war on German two days later. It was the most costly and destructive war in history and its effects‚ for good and
Premium World War II United States
FOC QUESTION BANK QUESTION BANK – I YEAR IT PART – A UNIT – I 1. Define Data and Information. 2. Who is the Father of Computer and why is he called so? 3. Name some of the popular Microprocessor manufacturers. 4. Expand COBOL‚ BASIC‚ FORTRAN and IBM. 5. Specify the electronic components used for different computer generations. 6. Compare the computer with calculator. 7. What are the languages used in computer generations. 8. How are the mainframe systems useful? 9. What is a base
Premium Computer Application software Computer software