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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- 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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Computers have brought up a revolutionary change in the past couple of decades. They are everywhere now and are being used by everyone. They are being used in every field as they provide the facility of storing large data safely which can be easily accessed and managed. They play vital role in our daily life owing to facilities it provide which are beyond our imagination .Their wide application has made the computer education a must. As computers are being used widely these days‚ gaining computer
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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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Computer technology permeates most aspects of our lives. The ability to use computer technology and to evaluate electronic information has become a basic skill for most of people. In most places of business‚ a computer is standard. In the bank they use computers to look up for account information. They use computers in the auto repair shop to assess the cars. We can’t find books in the library by looking in a card catalog — we must use a computerized database. Doctors’ offices utilize computers
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Computer Networking Type A: Very Short Answer Questions 1. Ans: 2 Ans: 3 Ans: 4 Ans: 5 Ans: 6 Ans: 7 Ans: 8 Ans: 9 Ans: 10 Ans: 11 Ans: Define a network. What is its need? A computer network is a system in which computers are connected to share information and resources. Computer networks help users on the network to share the resources and in communication. Write two advantages and disadvantages of networks. Advantages: 1. Data or information can be shared among the user. 2. Fast communication
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Lots of people accept the most invention that is computer. While people didn’t need to computers in the days of old‚ nowadays computers are used almost everywhere. The life without computer is impossible for people. Not only computer but‚ also internet. We are so much dependent on computers. Although PCs make many things esaier for us‚ there are some evidence that depending on computers brings negative results. Supporters of dependence on computers a good thing say that we can learn easily information
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Why Is A Computer So Powerful? (CHARACTERISTICS OF COMPUTERS) 1. Programmability This is the most important feature of any computer. Programmability can be simply defined as the ability of a functional unit to perform certain pre-defined operations or tasks automatically and independently under the control of running program‚ with minimum user intervention or assistance. 2. Speed of operation A computer is a very fast device. It can perform in a few seconds the amount of a work that a human
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Use of Computers in the Nursing Profession Nikkia Jones CIT-100-Research Paper Instructor- Dr. Nancy Grant Outline I. Introduction II. Advantages of computer use III. Disadvantages of computer use IV. Conclusion V. Works Cited The medical field comprises a vast base of knowledge. Computer storage serves as the best way to house all this information. There are many types of computers that can help with diagnosing illnesses‚ doing procedures to treat illnesses‚ and
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Topic name:- Importance Of Computer Assign no:- 2 Name:- Suneel kumar Class :- BBA 1A Reg no:- 1211243 Dated:- 08\7\2013 Submitted to:- Sir:- Haris Chugtai Importance Of Computer In Our Life Many technological advances have been made throughout history making life easier‚ one of which is the computer. Computers have changed the world‚ as
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