storage location can increase overall computing efficiency and reduce overall computing cost. By placing all of your important files in a single location, you do not need to worry about different versions of files you're actively working on, wasting disk space by having multiple copies of less-than-important files scattered on different systems, backing up the right files onto the right backup storage medium from the right computer, making sure every PC in your home has access to the appropriate files
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consumer level 100TB hard drive in the next five years. It must be noted all figures pertain to magnetic storage, solid state storage has been omitted for the sake of brevity. References 1. Perry, Mark J. "Infomation Age 2.0: The Cost Of Hard Disk Storage Space Has Decreased By Almost 1.5M Times Since 1980." Stock Market Opinion and Analysis, Breaking News, Stocks Quotes, Earnings Estimates. IStockAnalyst, 10 June 2011. Web. 25 Apr. 2013.
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A computer is an electronic device that stores, retrieves, and processes data, and can be programmed with instructions. A computer is composed of hardware and software, and can exist in a variety of sizes and configurations. Hardware is the physical equipment of a computer system, including the central processing unit (CPU), data-storage devices, terminals, printer, etc. Software is a program or set of instructions or rules that control the operation of a computer. The most obvious hardware component
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Prepare a 2-3 page paper explaining the following: · Accuracy of data input is important. What method of data input would be best for each of the following situations and explain why: · Printed questionnaires Keyboard; aside from avoiding uncertainty from unclear handwriting or other methods, and because "...most input data consists of letters and numbers. In addition, people are usually familiar with how to use keyboards and with the layout of the keys. Thus, little training is required for
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under services because it contains electronic pages where customers can visit and view the services and details about the company. Portable storage devices – is grouped under hardware because these devices include: memory card, external hard disk, floppy disk, pen-drives etc. They preserve information for retrieval. Moreover, they are office devices that are used at the front-desk to store office files, video, audios etc which would be retrieved when needed. KYC guidelines- can be grouped under data
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w 9B12A020 DATAVAST INC.: THE TARGET SEGMENT DECISION Maggie Hao wrote this case under the supervision of Professor Michael Taylor solely to provide material for class discussion. The authors do not intend to illustrate either effective or ineffective handling of a managerial situation. The authors may have disguised certain names and other identifying information to protect confidentiality. Richard Ivey School of Business Foundation prohibits any form of reproduction, storage or transmission
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tracks, and sectors per track are identical on all hard disks. __T__ 5. Dynamic disks make it possible to set up to 2000 dynamic volumes on one disk. __T__ 6. Although CD-ROM discs are extremely reliable, the large number of dents makes this surface very sensitive to scratches and other kinds of damage that can hinder optical readout. __F__ 7. Very few DVD drives can read CD-ROMs and DVDs. __F__ 8. High Definition-Digital Video Disk (HD-DVD) has the ability to store up to 87 GB of data
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the growth to cost difference for 32 years. This was determined by the increase of the density of disks by 60% a year with an average decrease in price of 37.5%. The 60% increase is based on the growth predictions for MR head technology by IBM, which had increased its area bit density at a rate of 60% per year since 1989 and projects the same rate to continue into the future. Projected Magnetic Disk Prices Year | Cost for 1 GigaByte = 1,000 MBytes (Storage for 2 Scanned File Cabinets) | Cost for
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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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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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