manage data as files, organizes files, tracks important file information, including locations Directory- Hierarchy of directories (folders and files) with the information stored that identifies and organizes files stored on media. Part of file system Hard Disk Drive- Device that stores files Input/Output- Process of adding bits into a computer and receiving the bits out of the computer. Keyboard Map- Information that matches the key that exists on a keyboard to some matching binary code so that the
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------------------------------------------------- University of Phoenix Material Appendix F - Central Processing Unit Worksheet The Central Processing Unit (CPU) is one of the most important parts of a computer system. It has a huge impact on the overall performance of any computer. If you have the opportunity, it is better to select the CPU before selecting the motherboard. Existing motherboards limit your choice of CPUs, forcing you to fit the CPU to the motherboard. If the performance
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With the introduction of computer accounting as an area of studying has outline it’s important because with two or three weeks of training, a computer program can prepare financial statement using computer application. Accounting is an important function in the business sector. It helps business to keep records of income and expenses that occurs to the day to day activity of the organization or business. Accounting involve in the preparation of general journal, spreadsheet, ledger sheet and
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Your OS will use the hard drive as a "swap file" or virtual memory, if your PC runs out of RAM while you are working away. Using your hard drive as memory causes a serious performance hit, as hard drives are slower than RAM. You must have enough memory, adding more does not help if you are not doing anything that needs more memory. Today, a modern PC and a modern OS need about 4 gigs to achieve this for most standard users. You want enough RAM so the OS doesn't start using the hard drive as memory.
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Introduction to Computers and the Internet 2 Lesson 1 What Is a Computer? n Personal Computer Hardware n Peripherals n Bits and Bytes n Computer Speed and MHz and GHz n Computer Types Lesson 2 Software n Obtaining Application Software Lesson 3 The Internet n Finding Information on the Web n Evaluating Information on the Web Lesson 4 Understanding E-mail n Sending and Receiving E-mail and Other Forms of Digital Communication
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computers in it. Every time the lesson ends you would need to store your files on secondary storage. It would be possible to store the files on a floppy disk and take them away with you, but the likelihood is that the files will be stored on the hard disk. This means that the next time you want t o use those files you need to sit at the same computer. It would be much more sensible to have a system that allowed access to the same files through any of the 20 computers. To allow this the computers
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The price and capacities of RAM and hard drive storage have come a long way in the past 30 years. Take for instance, in 1981 an 18MB hard drive cost $2500, today a 1TB hard drive costs $150. In 1990 RAM costs were $50 per MB and today one can purchase 2GB RAM for approximately $50. that there is a strong exponential correlation in the capacity vs cost ratio, where r=0.9916. During the last 30 years the capacity per unit cost ratio has nearly doubled approximately every 14 months. The regression
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storage for the hybrid cloud to sustain in enterprise storage compare to its competitors. (Western Digital Corp Annual Report 2014. 2014, pp.125) WD was one of the first media storage companies that offer up to 2 terabytes of space in its internal hard drives as part of its energy-saving Caviar Green range compare to its main competitor Seagate and when Seagate introduced its 2 terabyte of media storage, WD outrun Seagate by providing energy save drive with cheaper price. (Dieter Plas (2013). War
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GO Com Concepts_Ch01.qxd 3/6/07 4:46 PM Page 1 1 Computer Concepts chapterone Basic Computer © 2010 Pearson Education, Inc., Concepts Upper Saddle River, NJ. All rights reserved. This material is protected under all copyright laws as they currently exist. No portion of this material may be reproduced, in any form or by any means, without permission in writing from the publisher. OBJECTIVES At the end of this chapter you will be able to: 1. Define Computer and Identify
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Student Name:Joselyn Vaquedano | | To complete this homework assignment, search through pages IT-2 to IT-40. ------------------------------------------------- Introduction to Technology - CIS120 TRUE/FALSE 1. Technology, while useful, cannot help you more efficiently and effectively access and search for information. REF: IT 2 False 2. Digital literacy involves having a current knowledge and understanding of computers, mobile devices, the Internet, and related
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