COMPUTER REVOLUTION Personal Computers The personal computer revolution was a phenomenon of immense importance in the 1980s. What the average American commonly refers to as a PC‚ or personal computer‚ did not even exist before the 1970s. Mainframe computers had been the norm‚ and they were primarily relegated to business and scientific use. With the dawn of the personal computer all Americans were allowed potential access to computers. As competition and modernization increased‚ issues of cost
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The term "information technology" evolved in the 1970s. Its basic concept‚ however‚ can be traced to the World War II alliance of the military and industry in the development of electronics‚ computers‚ and information theory. After the 1940s‚ the military remained the major source of research and development funding for the expansion of automation to replace manpower with machine power. Since the 1950s‚ four generations of computers have evolved. Each generation reflected a change to hardware of decreased
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erUNIT 1 INTRODUCTION TO COMPUTERS Structure 1.1 1.2 1.3 Introduction Objectives Introduction to Computers Why Computer? Evolution of Computers 1.3.1 The First Computer 1.3.2 Some Well Known Early Computers 1.3.3 Computer Generations 1.4 1.5 1.6 1.7 1.8 1.9 Components of a Computer Hardware vs Software System vs Applications Software Bits and Bytes Input and Output Devices RAM/ROM 1.10 Secondary Storage Devices 1.11 Summary 1.12 Answers to SAQs 1.1 INTRODUCTION This unit aims
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HISTORY OF COMPUTER THE PRE-MECHANICAL AGE: 3000 B.C. – 1450 A.D. 1. Writing and Alphabets – Communication First development of signs corresponding to spoken sounds‚ instead of pictures‚ to express words. Around 2000 B.C.‚ Phoenicians created symbols that expressed single syllables and consonants (the first true alphabet) The Greeks later adopted the Phoenician alphabet and added vowels; the Romans gave the letters Latin names to create the alphabet we use today. 2. Paper
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Computing A Journey Towards The Computing World This book provides the introduction to the basic concepts related to the computing field. It also provides you the brief and clean introductory class about various types of the computers. Author: Ali Asghar Manjotho 12/25/2007 A word about the Author and the Book This book is written‚ composed‚ and organized by Mr. Ali Asghar Manjotho — studying at Computer Systems Engineering Department under the kind umbrella of Mehran University of Engineering
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Generations of Computer Computer Age: Past‚ Present‚ and Future The First generation The Second Generation The Third Generation The Fourth Generation The Fifth Generation The Computer Age 1951-1958 The First Generation Vacuum Tube – – Rapid changes Four generations over 50 years Trends across generations – Decrease size – Increase speed Magnetic core memory Storage – – Heat Burnout Machine language Punched cards Tape (1957) Characteristics of 1st Generation Computers Computers
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WINDOWS OPERATING SYSTEM COMPUTER INTRODUCTION COURSE Description Participants will learn basic computer concepts and skills related to computers. Participants will receive a thorough introduction to the domain environment. In addition‚ they will learn Windows techniques and become acquainted with applications. Delivery method: Instructor-led‚ group-paced‚ classroom-delivery learning model with structured hands-on activities Benefits: This course provides a broad information base for
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KENDRIYA VIDYALAYA SANGATHAN JAMMU REGION . STUDY/SUPPORT MATERIAL 2011-12 CLASS: XII Computer Science ACKNOWLEDGEMENTS Chief Patron Shri Avinash Dikshit Commissioner KVS‚ New Delhi Patron Shri P. K. Koul Assistant Commissioner KVS‚ Jammu Region Guidance
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Cost Concepts for Managerial Decision Making Prepared for instructional use in Economics For Managers ECG 507 College of Management North Carolina State Universiy © Stephen E. Margolis 2000 Soon we will be using the concepts of cost that are presented in Landsburg’s chapters five and six to analyze market behavior of firms. With a bit of interpretation‚ however‚ these concepts have immediate application to ordinary decisions that
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obvious. Blatent‚ obvious‚ and in my opinion‚ even obscene. Although my knowledge of the actual facts surrounding the merger of AOL and Time Warner is
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