PC Maintenance, Troubleshooting and Diagnosis Research Paper

PC Maintenance, Troubleshooting and Diagnosis - Research Paper Example Considering this, it seemed to me that one fine morning when my PC crashes and I lose all my data, I would probably also lose my calm and I would be stranded alone in my room and I would do everything possible to have someone fix it as quickly as it can be fixed. This brought to me another argument, 'would I have to hire a professional for every time I lose data or have problems with my computer', which made me take an interest in troubleshooting, maintenance and diagnosis. I wanted to be able to deal with common issues I face with my PC, without having to rely on another person or spending a great deal of my money on the same, since nowadays virtually everything is available on the internet and moreover, it is free for anyone to take and make use of. So I struck me that with proper fishing of data around the net and following instructions correctly, I can pretty much come up with feasible solutions to any problem which might occur with my computer. I began to think of the most commo n and most frustrating issues that I have had with my PC and made a list of it. Going through the list, it became evident that, whatever the problem there is with my PC, I tend to worry most when those problems cause me to lose data, files or folders. I realized that several companies have even gone out of business after having lost vital files and data, which meant that preventing data loss was incontrovertibly an important part of maintenance. I found it ironic that the value of the hardware of my PC was insignificant as compared to the data that my PC contained and intended to learn to deal with it. It occurred to me that in order to be able to overcome data loss, I would first have to understand data loss, to understand why it occurs and learn to troubleshoot and diagnose the problem. I intended to find answers to †¢ What causes data loss? †¢ How I can protect drives and data †¢ How I can recover directory damage, FAT and critical information This study purports t o bring to light feasible and self-evaluable ways to identify, diagnose and make right some of the common and frequently occurring problems. Causes of data loss: Hardware and system failures are the leading cause for data failure, accounting for at least 44% of all data loss. (Bigelow, 2002). Electrical failures and improper shutting down, failures of drive circuitry or disk drive crashes can cause hardware failures, causing previously accessible data to be lost. Often, the drive may not be spinning, and we may hear rattling or scraping noises from the drive while booting. These failures can usually be prevented by humidity and temperature controlled environment, by installing a UPS. Critical data can be saved by using a redundant array of independent disks (RAID) which will mirror the disk drives, enabling us to recreate the lost data. It is important to keep the drive in a clean environment, and in the case of a drive failure, we must not operate the drive as it can exacerbate dat a loss, causing the drive to be corrupted further. Software recovery utilities are a completely bad procedure to resort to in the case of a drive failure as these utilities would run assuming the failed drive to be fully operational. Surprisingly, another important cause of data loss is human

Architectural ACOUSTICS-The Athens Concert Hall Dissertation

Architectural ACOUSTICS-The Athens Concert Hall - Dissertation Example ......... p. 34 eiv. †¦................ p. 36 F. THE ATHENS CONCERT HALL †¦................ p. 38 fii. †¦................ p. 39 fiii. †¦................ p. 40 G. CONCLUSIONS †¦................ p. 40 gi. †¦................ p. 40 REFERENCES †¦................. p. 43 B. ARCHITECTURAL ACOUSTICS bi Acoustics represents the scientific discipline whereby the construction of the building can be influenced in the initial design stages to maximize desired audio qualities, while minimizing unwanted noise. As such various items will be discussed throughout this analysis describing mechanisms for the isolation of sound from where it is not wanted, as well as other strategies to amplify desired sounds within the specified areas of the structure. The characteristics of architectural acoustics is characterized by fundamental rules which have stood the test of time. Design rules in the past were relatively simple, but as the science of acoustics advances a greater c omplexity is permitted in architectural designs, with the potential of room acoustic simulations and newer analytical tools integrated for the improvement of the old techniques. With the proper understanding acoustic design can meld with standard architecture as an integral component of the overall design process, rather than an intrusive addendum. During the course of this analysis, there are many opportunities where an approach grounded in physics would be possible, but the focus in this instance will represent structural choices more than pure mathematics. Mathematics are included as necessary for comparison purposes, but the number of equations used will be limited. As the physics of architecture has its purpose, but there are a wide range of design choices which might prove equally viable from a purely scientific standpoint, but the architect must render aesthetic and stylistic choices in some cases, as well as a consideration for efficiency. There are many structures possible based upon pure physics, but financial considerations, as well as the preferences of the presumed occupants eliminate certain choices made valid from the perspective of pure science. The architect's role is to bridge the gap between pure aesthetics and hard mathematics. One equation will be included as an example, but there are many avenues the architect may choose from, and this analysis will diminish the role of physics in favor of economic considerations; as well as those concerning appearance. bii. Acoustics are an essential process even for structures not specifically dedicated towards the enhancement or amplification of particular types of sounds. Clearly, optimization of certain sounds are critical for concert halls and opera houses, which require specialized engineering to optimize the abilities of peripatetic performers playing within the structures1, but acoustics are also essential as even for more mundane structures such as office buildings or homes. The principal object ives for these buildings is to permit sound transmission with in the same enclosed area – often from one person to another. Yet at the same time as unwanted noises from outside the building or enclosed room should be impeded as much as possible. This fundamental principle could also extend to opera houses and concert halls, but with more specialized requirements. However, it may not be desirable to completely cancel all external noises from an interior room, for the sake of emergency information. The noise from an alarm or an explosion should be audible within an enclosed room so that