Q1.What are the main types of software? What are the advantages of open-source software? Describe the decision making process of acquiring application software. Q2.“In the end‚ information system is recognized only as a foundation for human judgment‚ insight and inventiveness”. Discuss. What are different types of controls and audits required for an information system? Q3.What is computerized maintenance management? Explain the conceptual model through which the maintenance function can achieve
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The main advantages of computerizing the activities of business organization are as follows: Advantages: 1. Speed: Computerisation helps in processing the data placed in several data files in no time. This is possible due to the high speed of computers for processing data and CPU of the computer works at the speed of electricity which is the highest ever attainable speed. 2. Accuracy: The data processed by the computer are highly accurate. The programs written on the system checks and controls
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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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The History of the Computer Long before computers were invented‚ humans realized the need for them. The history of the Computer started about 2000 years ago with the abacus. It is a wooden rack holding two horizontal wires with beads strung on them and was one of the best calculating machines until the seventeenth century (PBS‚ 1). In 1835‚ English inventor‚ Charles Babbage came up with the idea of the Analytical Machine‚ a general purpose‚ fully programmed-controlled‚ automatic mechanical digital
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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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information system (MIS) is a system that provides information needed to manage organizations effectively [1]. Management information systems are regarded to be a subset of the overall internal controls procedures in a business‚ which cover the application of people‚ documents‚ technologies‚ and procedures used by management accountants to solve business problems such as costing a product‚service or a business-wide strategy. Management information systems are distinct from regular information systems in that
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Impact of Operating System Structure on Personal Computer Performance Toby Jackson Abstract The Impact of Operating System Structure on Personal Computer Performance Toby Jackson This paper presents a comparative study of the performance of three operating systems that run on the personal computer architecture derived from the IBM-PC. The operating systems‚ Windows for Workgroups (tm)‚ Windows NT (tm)‚ and NetBSD (a freely available UNIX (tm) variant) cover a broad range of system functionality and
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Computer is an electronic device used in almost every field even where it is most unexpected. That is why this age is called as the era of IT. And now we cannot imagine a world without computers. It is made up of two things one is the hardware and other is software. All physical components of computer like keyboard‚ mouse‚ monitor etc comes under the hardware whereas all the programs and languages used by the computer are called software. These days computers are the tools for not only engineers
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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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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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