ERHAN BUYUKHAN COMPUTER NETWORKS NETWORK TELEPHONY –VOICE OVER INTERNET PROTOCOL(VoIP) VoIP is a set of technologies that enable voice calls to be carried over the internet (or other networks designed for data)‚ rather than the traditional telephone landline system-the Public Switched Telephone Networks(PSTN). VoIP uses IP protocols‚ originally designed for the internet‚ to break voice calls up into digital ‘packets’. In order for a call to take place the separate packets travel over an IP
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Computer Science vs. Computer Engineering Moving from High School to college is often a rollercoaster on the mind of most students. After the appliance and acceptance process‚ we then encounter a bigger question: What will our major be? As a computer and technology lover‚ I had a hard time understanding and choosing between computer science and computer engineering; even though I already knew that I wanted to study computers. People often think that studying computer science is the same as studying
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2 Fundamentals of Computer Systems You need to be able to: (a) define a computer system (b) describe the importance of computer systems in the modern world (c) explain the need for reliability in computer systems (d) explain the need for adherence to suitable professional standards in the development‚ use and maintenance of computer systems (e) explain the importance of ethical‚ environmental and legal considerations when creating computer systems. What is a computer system? At its very basic
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- Suresh Khanal Computer Networking Short Questions and Answer www.psexam.com Computer Networking Short Questions and Answers Suresh Khanal Kalanki‚ Kathmandu shkhanal@gmail.com shkhanal@yahoo.com Published By: http://www.psexam.com contact: info@psexam.com Computer Networking: Short Questions and Answers Published by PS Exam Kalanki‚ Kathmandu Nepal www.psexam.com Copyright ©2009 author. No part of this publication may be reproduced‚ stored in a retrieval system or transmitted
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into rectangles‚ dots‚ hexagons and other geometric patterns in two dimensions (2D). Barcodes originally were scanned by special optical scanners called barcode readers. Later‚ scanners and interpretive software became available on devices like desktop printers and smartphones. One Dimensional Two Dimensional PHENAMENON: Barcode Systems provides various benefits which became the motivational point for choosing a project which can manipulate this technology in developing
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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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History of generations of Computers The computers that you see and use today hasn’t come off by any inventor at one go. Rather it took centuries of rigorous research work to reach the present stage. And scientists are still working hard to make it better and better. But that is a different story. First‚ let us see when the very idea of computing with a machine or device‚ as against the conventional manual calculation‚ was given a shape. Though experiments were going on even earlier
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SYLLABUS Cambridge International AS and A Level Computing 9691 For examination in June and November 2014 University of Cambridge International Examinations retains the copyright on all its publications. Registered Centres are permitted to copy material from this booklet for their own internal use. However‚ we cannot give permission to Centres to photocopy any material that is acknowledged to a third party even for internal use within a Centre. © University of Cambridge International Examinations
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The Effects of Home Computers on Educational Outcomes: Evidence from a Field Experiment with Community College Students forthcoming Economic Journal Robert W. Fairlie University of California‚ Santa Cruz rfairlie@ucsc.edu Rebecca A. London Stanford University rlondon@stanford.edu July 2011 We thank the Community Technology Foundation of California (ZeroDivide)‚ UCACCORD‚ and Computers for Classrooms‚ Inc. for funding. We thank Hardik Bhatt‚ Jesse Catlin‚ Eric Deveraux‚ Oliver
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Computer Systems Individual Computer Systems Designing‚ and Configuring Computer Systems for DIGITEL WORLD Designing Company 1. Understand the function of computer systems. 2. Be able to design computer systems. 3. Be able to build and configure computer systems. 4. Be able to undertake routine maintenance on computer systems. Name: - Kasun NayanaKelum Batch No: - IT K 31 1|Page IT K Batch 31 Computer Systems Individual Acknowledgement I am more grateful to my lecturer Mohamed Shafeer
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