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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Forman 28th March‚ 2012 ENG 102 IJC Effects of Computers on Society Discoveries and invention of devices are always welcomed till we‚ humans find a way to abuse its benefits and be adversely affected by it. Computers have influenced all sphere of modern society in a big way by the way people keep in touch with each other‚ the way people entertain themselves using computer and the way people buy and sell things. In todays present‚ although computers have changed in many different ways all activities
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people disregard the person that is sitting right beside them. With the help of social networks people are able to create more shallow connections rather than creating meaningful relationships. People of this generation are so absorbed by social networking that most people forget what common courtesy is or how to interact with people on a daily basis. Technology advancements have created a new way to interact with one another and have produced a new culture that seems to prefer interacting with one
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A computer network‚ or simply a network‚ is a collection of computers and other hardware components interconnected by communication channels that allow sharing of resources and information.[1] Where at least one process in one device is able to send/receive data to/from at least one process residing in a remote device‚ then the two devices are said to be in a network. Simply‚ more than one computer interconnected through a communication medium for information interchange is called a computer network
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Function of digital computer A typical digital computer system has four basic functional elements: (1) input-output equipment. (2) main memory. (3) control unit. (4) arithmetic-logic unit. Any of a number of devices is used to enter data and program instructions into a computer and to gain access to the results of the processing operation. Common input devices include keyboards and optical scanners; output devices include printers and cathode-ray tube and liquid-crystal display monitors
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last term’s work 2 Description of a computer and the monitor. 3 Features of a computer 4 Importance of a computer as a tool for processing data 5 The System Unit 6 The keyboard and its sections 7 Word Processing 8 Data Processing 9 Stages of Data Processing 10 Information Evolution 11 Revision 12 Examination JS 2 WKS TOPICS 1 ICT as a transformation tool 2 Benefits and disadvantages of ICT 3 ICT Gadgets 4 Computer Programming language 5 Computer Programming Language 6 BASIC Programming
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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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Master Akinyemi Akintunde (A.K.A LAGBE) Computer package Hand Hand- Book powered by www.lagbeglobal.net What is a Computer? A computer is a programmable machine. The two principal characteristics of a principal computer are: it responds to a specific set of instructions in a well-defined manner defined and it can execute a prerecorded list of instructions (a program). Modern Computers Defined Modern computers are electronic and digital. The actual machinery -- wires‚ transistors
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Chapter Introduction 1 1.1 Introduction The task of the assignment is to configure a fully work network for company XYZ. The company XYZ currently has two main offices located in London and in Glasgow. Also near the London based office is the existing ISP connection. A list of specifications was supplied in order to complete the assignment. The following features were needed to make sure the network worked efficiently:  EIGRP  Frame Relay  DHCP  Network
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because they only search by internet a way computers‚ laptop‚ and cell phone. For instance‚ when some people share their information by facebook and twitter‚ we can share together like communication without face-to- face and we may see by phone cell and reply it. On the other hand‚ social network has many kinds disadvantages such as lazy‚ selfish‚ and eyes health. For example‚ if we always use social network over to in front of computers sometimes make us lazy to do something and go
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