Limitations of Primary Memory: Limited capacity because the cost per bit of storage is high Volatile - data stored in it is lost when the electric power is turned off or interrupted. So as a result additional memory called auxiliary memory or secondary memory is used. Following are the features of Auxiliary or Secondary Storage: 1. Permanent or Non-volatile Storage: The data which is stored in those devices is not lost when the power is switched off. The data is retained. 2. Voluminous
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CERTIFICATE OF APPROVAL This is to certify that the Seminar titled HOLOGRAPHIC DATA STORAGE Submitted by Nikhil Puthran 100942 Rahulsing Rajput 100944 Pravish Shetty 100954 Suraj Yadav 100962 In partial fulfillment of requirement for the term work of third year in Computer engineering is approved. EXTERNAL EXAMINER INTERNAL EXAMINER __________________ ___________________ HEAD OF THE DEPARTMENT INTERNAL GUIDE _____________________
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as one logical disk but all the data is distributed among two physical disks. If one disk fails operation cannot continue and data is lost because it is only stored in one place. RAID 1 uses two disks that are mirrored copies of each other. If one disk fails‚ operation can continue and no data is lost. 3. Explain the process of data recovery in case of a drive failure in RAID 5. 4. What are the benefits of using RAID 3 in a backup application? 5. Discuss the impact of random and sequential
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Independent) Disks. 2. When you need to take the time to restore those backups and those backups could be hours or days old‚ resulting in data loss. RAID allows you to survive a drive loss without data loss and in many cases without any downtime. 3. RAID 0 - Never‚ unless the data has no value to you. RAID 1 - If you are looking to inexpensively gain additional data redundancy and/or read speeds. A good base RAID level for those looking to achieve high uptime. RAID 5/6 - Web servers and high
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Essays One Road Donald Hall Driving through postwar Yugoslavia was nearly impossible‚ but a young poet and his new wife struggled through the desolate landscape to Athens On Friendship Edward Hoagland The intimacies shared with our closest companions keep us anchored‚ vital‚ and alive Mortify Our Wolves Christian Wiman The struggle back to life and faith in the face of pain and the certainty of death Joyas Volardores Brian Doyle Rites of Passage Steve Macone When a quirky old man who
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Disc (BD) is an optical disc storage medium designed to supersede the DVD format. The plastic disc is 120 mm in diameter and 1.2 mm thick‚ the same size as DVDs and CDs. Blu-ray Discs contain 25 GB per layer‚ with dual layer discs (50 GB) being the norm for feature-length video discs. Triple layer discs (100 GB) and quadruple layers (128 GB) are available for BD-XL re-writer drives.[2] The major application of Blu-ray Discs is as a medium for video material such as feature films. Besides the hardware
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CAPACITY PLANNING ALLAMA IQBAL OPEN UNIVERSITY (AIOU) ISLAMABAD PREPARED BY: HUMA NOOR (REG: AO595884) PREPARED FOR: MISS SANOOBAR SUBJECT NAME: PRODUCTION AND OPERATION MANAGEMENT SUBJECT CODE: 8509 STUDY CENTURE: UNITEC (ISLAMABAD) To my dearest and best friend’’ Raheela Khan’’…..Who support me and help me in making report. My family especially my ‘’Mother‚’’…….who encourage me and because of whom I’m here for higher education and only with her support and prayers I have come to
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Server Review CH 1 1. Which of the following best defines a computer used as a server? c. Operating system software that includes directory services and domain name services 2. Which of the following best describes a Windows client OS? d. Supports only 10 network connections 3. Windows Server 2008 ________________ Edition supports a maximum of eight processors. Enterprise 4. Which of the following is true of Windows Web Server 2008? b. Supports only four processors 5. You have recently purchased
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A CRITIQUE OF HIS NEEDS HER NEEDS Harley‚ Williard. His Needs‚ Her Needs: Building an Affair-Proof Marriage. Grand Rapids: Baker Book House‚ 2011. ISBN: 9780800719388. Reviewed by Donald W. Clark. Willard F. Harley‚ Jr.‚ Ph.D.‚ is a psychologist and marriage counselor. He has written many books‚ helping couples work through conflict and restore and strengthen their commitment and love for each other. He has been married to his wife Joyce for over thirty years and they have two children‚ both are
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Most organization today are moving to client server architectures. Client server attempt to balance the processing between the client and the server by having both do some of the logic. In these networks‚ the client is responsible for the presentation logic‚ while the server is responsible for the data access logic and data storage. The application logic may reside on the client on the client or on the server‚ or it may be split between both. These are many ways in which the application logic
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