NETWORK Computer Network also called Network is a group of computers and other devices connected to each other to share resources electronically. Networks can be as small as two computers or many thousand computers that are connected to one another. These computers are usually connected to one another through wires‚ satellite‚ and modems. Each device connected to the network is called a “node”‚ and the computer that is connected to the network is called a workstation. There are several ways
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HISTORY OF COMPUTERS Ancient era Suanpan (the number represented on this abacus is 6‚302‚715‚408) Devices have been used to aid computation for thousands of years‚ mostly using one-to-one correspondence with fingers. The earliest counting device was probably a form of tally stick. Later record keeping aids throughout the Fertile Crescent included calculi (clay spheres‚ cones‚ etc.) which represented counts of items‚ probably livestock or grains‚ sealed in hollow unbaked clay containers.[1][2]
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Bahçeşehir University Department of Computer Engineering CMPE 2204 Introduction to Computer Networks Spring 2013 Chapter 1 Data Communications and Networks Overview and Protocol Layers Dr. Çağrı Güngör 1 Basic Info about the Course • Course Content (tentative): — Computer networks; network architectures; protocol layers; TCP/IP; principles of Internet; wireless networks; introduction to network management‚ etc.. • Course Objectives: — Understand widely known network protocols‚ communication
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storage device of a computer where all data is saved. Hard drives are non-volatile which allows the data to be saved even when the computer is shut down. “Although most hard drives are internal hard drives‚ many users also use external hard drives to backup data on their computer and expand the total amount of space available to them”( "What Is Hard Drive?" Computer Hope. Web. 14 Sept. 2014.) The first Hard Drive was released by IBM in 1956. Random Access Memory (RAM): Another form of computer storage
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Build a Computer Computers are one of those technologies that‚ as the years pass‚ get more complicated yet simpler at the same time. The truth is‚ a person need not know anything at all of transistors‚ capacitor or the whole bunch to "build" a computer. All you really need to know are two important things. One is to always keep yourself (electrostatically) grounded‚ and secondly‚ you need to know how to put a jigsaw puzzle together. Now one would ask what a jigsaw puzzle has to do with computers‚ and
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A. VOLATILE MEMORY Volatile memory‚ also known as volatile storage‚ is computer memory that requires power to maintain the stored information‚ unlike non-volatile memory which does not require a maintained power supply. It has been less popularly known as term Dynamic random access memory (DRAM) is a type of random access memory that stores each bit of data in a separate capacitor within an integrated circuit. Since real capacitors leak charge‚ the information eventually fades unless the capacitor
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Computer Memory Memory: Your memory does not store everything forever. The computer memory refers to computer components‚ devices and recording media that retain digital information. The computer data storage provides one of the core functions of a computer that of information retention. How a Computer Remembers: A computer has two memories‚ called RAM and ROM. ROM stands for Read Only Memory. It carries the information. The computer needs to carry out‚ it’s task‚ and it cannot be altered
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Computer Simulation * A software program that runs on any computer that attempts to simulate some phenomenon based on a scientist’s conceptual and mathematical understanding of the given phenomenon. * The scientist’s conceptual understanding is reduced to an algorithmic or mathematical logic‚ which is then programmed in one of many programming languages (Fortran‚ C‚ C++‚ etc.) and compiled to produce a binary code that runs on a computer. * Have become a useful part of modeling
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broadly inclusive of all forms of educational technology in learning and teaching. E-learning is inclusive of‚ and is broadly synonymous with multimedia learning‚ technology-enhanced learning (TEL)‚ computer-based instruction (CBI)‚ computer-based training (CBT)‚ computer-assisted instruction or computer-aided instruction (CAI)‚ internet-based training (IBT)‚ web-based training (WBT)‚ online education‚ virtual education‚ virtual learning environments (VLE) (which are also called learning platforms)
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Computers in Games and Sports Practically everybody has played sports video games on a computer. It’s fun to pick a team and see how well you can play against a “virtual” rival. However‚ the uses for computers in various games and sports go far beyond video games. If you ask a cricket bowler how he throws a ball‚ he may not be able to tell you. He may say it’s just “instinct.” It’s something that comes naturally to him. The fact is that there are ways to help bowlers become better bowlers
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