Computer Networks NETWORKING CONCEPTS Network A network is basically an interconnection of various points to make a connected system e.g Road‚ Telephone‚ Social Data Network A computer network therefore refers to an interconnection of computers and other peripherals by use of a communication link Peer to Peer Networks In a peer-to-peer network‚ all computers are considered equal; they all have the same abilities to use the resources available on the network. Peer-to-peer networks are designed
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The advent of computers has revolutionized the workplace and redefined operational practices. The use and deployment of computers‚ computer systems and information technology (IT) applications in every aspect of business is now commonplace. The recent application and adoption of Web-based‚ information and telecommunication technologies has force-multiplied the capabilities and benefits of computers. The importance of computers in business cannot be overstated. Collaboration o Businesses are using
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University E. Jacinto St.‚ Davao City CPE 420: Computer Systems Architecture [Evolution of Computers – From 1st Generation to Present] November 13‚ 2012 Prepared for: Engr. Eleonor Palconit Prepared by: Jhunorjim C. Zandueta The evolution of computers is considered one of the most rapid technological development in the history of human innovation. Within just 50 years‚ computers had evolved from bulky military hardware that computed ballistic trajectory
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LECTURE 2 COMPUTERS ARE EVERYWHERE 1 – THIS LECTURE LOOKS AT A FEW SPECIFIC AREAS of SOCIETY AND WHERE COMPUTERS ARE USED » TRANSPORT » MEDICAL WORLD » AGRICULTURE » AIRLINE TRAVEL COMPUTERS ARE EVERYWHERE 2 Computers are everywhere. Our lives are directly affected when they do not operate. Computers have infiltrated our lives so we do not know how to function without them. INFORMATION AGE 3 We live in what we call the INFORMATION AGE – Evolving more
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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 and Technology Jamshoro bearing the roll number (07CS20). He started
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Computer Fundamentals Computer is an electronic device that manipulates data according to set of instructions and produce a meaningful result. • Computers are not very intelligent devices‚ but they handle instructions flawlessly and fast. • They must follow explicit directions from both user and computer programmer. • Computers are really nothing more than a very powerful calculator with some great accessories. • Applications like word processing and games are just a very
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Computer Crime Computer crimes need to be prevented and halted thought increased computer network security measures as well as tougher laws and enforcement of those laws in cyberspace: Computer crime is generally defined as any crime accomplished through special knowledge of computer technology. All that is required is a personal computer‚ a modem‚ and a phone line. Increasing instances of white-collar crime involve computers as more businesses automate and information becomes an important
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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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PARTS OF THE COMPUTER All computer systems need two types of parts that work together to make them run. These parts are: 1. Hardware - The hardware is the part of the computer you can touch and see. Eg: Keyboard‚ Mouse‚ Hard disk etc. 2. Software - The software is a part of the computer you cannot touch but is very important. The software is all the programming that makes the computer run; controlling everything that the computer does. Common
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The Computer Revolution If I were to make a history book of the years from 1981 to 1996‚ I would put computers on the cover. Computers‚ you may ask?‚ Yes computers‚ because if there were suddenly no computers on the world‚ there would be total chaos. People could not; communicate‚ commute‚ make business transactions‚ purchase things‚ or do most things in their daily routine‚ because power plants use computers to control the production of electricity. Computers have evolved extreme rapidly
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