Evolution of Computer A.P.Mohana priyaa Abacus Chinese invented calculating device called ABACUS Ø Also known as “SOROBAN” perform addition and Ø subtraction Wooden rack holding two horizontal wires with beads Ø strung on them. Rules memorized by the user Ø Regular arithmetic problems can be done Ø NAPIER’S DEVICE John Napier a Scottish Mathematician Ø Set of eleven animal bones later it was replaced by Ø rod Number marked on them‚they placed
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Why Is A Computer So Powerful? (CHARACTERISTICS OF COMPUTERS) 1. Programmability This is the most important feature of any computer. Programmability can be simply defined as the ability of a functional unit to perform certain pre-defined operations or tasks automatically and independently under the control of running program‚ with minimum user intervention or assistance. 2. Speed of operation A computer is a very fast device. It can perform in a few seconds the amount of a work that a human
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Computer Multimedia Sam Quesinberry Computers have come a long way very fast since there start in the 1940’s. In the beginning they were mainly used for keeping financial records by banks and insurance companies‚ and for mathematical computations by engineers and the U.S. Military. However‚ exciting new applications have developed rapidly in the last few years. Two of these areas is Computer Graphics and sound. Computer graphics is the ability of the computer to display‚ store and transmit
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Lenovo User Guide Read the safety notices and important tips in the included manuals before using your computer. Notes • Before using the product‚ be sure to read Lenovo Safety and General Information Guide first. • Some instructions in this guide may assume that you are using Windows® 7 or Windows® 8.1. If you are using other Windows operating systems‚ some operations may be slightly different. If you are using other operating systems‚ some operations may not apply to you. • The
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schoolschool code:080020registration number: | Electronic Document Preparation Management (exemplar 1) | The History of Computer | Table of Contents The History of Computer 1 Who was the father of computer? 2 THE FIVE GENERATIONS OF COMPUTER 3 What computer was produced by J.Presper Eckert and John Mauchly 4 A Description Of The Device 4 The History of Computer 1. The Abacus: Is a calculating tool used primarily in parts of Asia for performing arithmetic processes? The Chinese
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Task 1: Identification of the peripherals of a computer. To prepare a report containing the block diagram of the CPU along with the configuration of each Peripheral and its functions. AIM: To identify the peripherals of a computer. 1. The Mother Board [pic] 2. CPU (Processor) [pic] 3. SMPS (Switched mode Power Supply) [pic] 4. Cabinet [pic] 5. CPU heat Sink and fan [pic] 6. RAM (Random Access Memory) [pic]
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increase in surface area that results when individual particle-size decreases. The first military stride teat came about inferential of this technology was the development of military uniform‚ using nanoscale materials to integrate electronics‚ computer devices and power supply. In addition to ballistic protection. For instance‚ today if you want to stop a .45 caliber bullet you need about 10 to 20 pounds per square foot. Where we are headed with nanoscience and technology is the ability to stop a bullet
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IS A COMPUTER A computer may be defined as an electronic device that has the capability of accepting and processing data under the control of a stored program and producing output in the form of information. This information may be in the form of sound‚ images‚ electronic signals‚ etc. and may be stored within the computer or on an external storage device. Computers are not very intelligent but they handle instructions flawlessly and fast. They must follow explicit directions from both the user and
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Few industries have changed so much in such a short time as the computer industry‚ and the pace of change shows no sign of slowing. The computer now has a role in almost every aspect of modern life‚ and it has radically affected the way people work‚ play‚ study and organize their lives. As we enter the 21st century‚ computers are influencing ways of teaching and learning‚ as access to computers in schools is becoming more widespread and varied. Their use enables the learner to develop at his or
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A brief description of the industry: The Computer And Peripherals Industry is composed of a diverse group of companies. It produces a wide range of products for sale to just about all businesses and consumers. The industry tends to lead the economic cycle‚ and is very competitive. This industry markets a wide range of products and services‚ many of which are tied to mainframe and server computers‚ personal computers‚ and storage devices. A number of offerings include gear to connect this hardware
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