Posts Tagged ‘Computer Systems’
August 22nd, 2009
Lesley Lyon asked:
Many people sell their used computers for a variety of reasons. Some sell their used computer instead of throwing them as a trash get some money from them, while others sell their used computers to buy new computers with the latest features and technology. Not only individuals sell their used computers, but also large numbers of organizations or firms sell their used computers. They do so because the computer systems may require maintenance and repairs, after some time due to the decrease in performance seen in the computers after some years. Instead of spending more money on the maintenance and repairs they sell and gain money, as there is a great demand for used computers. Such companies easily sell their used computers online through auctions or exchange for new computers with less effort in no time.
Used computers are bought by either students who do not have good savings or earnings or they are bought by educational institutions like the schools and universities. Some parents buy used computers for their children just for browsing the Internet and to play games. For this purpose, a used computer is more than sufficient than spending huge amounts on a new computer. These target segments however require used computers in a good working condition as well as for a lesser price. Most of the used computers are sold in the online market, as it attracts all sorts of buyers. There are many numbers of online classifieds or auctions or online dealers who sell used computers. Selling used computers are a better option than throwing them as trash or keeping them in a corner occupying space and collecting dust.
The first and important step is to improve the appearance of the used computer by wiping it clean free of dust and dirt. Any buyer would get impressed by the way the computer looks, looks make the first impression. The selling price of a clean used computer is always better than the one, which is full of dirt and dust.
All the software manual, operating system and other supporting discs that came with the computer should be in tact. This will add more value, when selling the used computer and also will make the buyer consider the person who is selling the used computer as a trusted seller.
The most important thing to do before selling a used computer is to erase all the personal details or information from the hard disk or drive. Instead of just putting them in the trash folder it is very important to purge all the personal data from the computer’s memory, even invisible backup files can cause danger. A tech savvy person’s help can be got if the seller does not know how to do it. If not done it may lead to accessing the bank accounts, or emails by any unknown person leading to identity theft. For that when there is a remedy. Unused scanners, printers can also be bundled with the sale of the used computer. A buyer may sometime value it. The benefits or features of the computer can be highlighted for better sales.
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Many people sell their used computers for a variety of reasons. Some sell their used computer instead of throwing them as a trash get some money from them, while others sell their used computers to buy new computers with the latest features and technology. Not only individuals sell their used computers, but also large numbers of organizations or firms sell their used computers. They do so because the computer systems may require maintenance and repairs, after some time due to the decrease in performance seen in the computers after some years. Instead of spending more money on the maintenance and repairs they sell and gain money, as there is a great demand for used computers. Such companies easily sell their used computers online through auctions or exchange for new computers with less effort in no time.
Used computers are bought by either students who do not have good savings or earnings or they are bought by educational institutions like the schools and universities. Some parents buy used computers for their children just for browsing the Internet and to play games. For this purpose, a used computer is more than sufficient than spending huge amounts on a new computer. These target segments however require used computers in a good working condition as well as for a lesser price. Most of the used computers are sold in the online market, as it attracts all sorts of buyers. There are many numbers of online classifieds or auctions or online dealers who sell used computers. Selling used computers are a better option than throwing them as trash or keeping them in a corner occupying space and collecting dust.
The first and important step is to improve the appearance of the used computer by wiping it clean free of dust and dirt. Any buyer would get impressed by the way the computer looks, looks make the first impression. The selling price of a clean used computer is always better than the one, which is full of dirt and dust.
All the software manual, operating system and other supporting discs that came with the computer should be in tact. This will add more value, when selling the used computer and also will make the buyer consider the person who is selling the used computer as a trusted seller.
The most important thing to do before selling a used computer is to erase all the personal details or information from the hard disk or drive. Instead of just putting them in the trash folder it is very important to purge all the personal data from the computer’s memory, even invisible backup files can cause danger. A tech savvy person’s help can be got if the seller does not know how to do it. If not done it may lead to accessing the bank accounts, or emails by any unknown person leading to identity theft. For that when there is a remedy. Unused scanners, printers can also be bundled with the sale of the used computer. A buyer may sometime value it. The benefits or features of the computer can be highlighted for better sales.
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Richard n Williams asked:
Computers are performing more and more tasks in the office and workplace than they ever have before. Computers can conduct many tasks more efficiently than human workers but the more we rely on them the more vulnerable we find ourselves when the machines fail.
Each year, companies have an average of 501 hours of computer downtime, costing them millions in annual productivity and revenue and according to a recent study; computer downtime is responsible for the loss of 3.6% of annual revenue. Which is almost has high as the revenue loss by employee absence (6 %)!
The average life of an office PC is 3-4 years yet a computer’s life can be cut down to a fraction of that amount if the machine is expected to work in less than perfect conditions.
Yet the majority of causes for a computer failure can be prevented by adhering to some simple steps:
1. User errors – Any tool is only as good as the workman who uses it and computers are no different. Actions such as not powering down properly, skipping scan disks or continual button pushing while a computer is processing can damage a computer’s hardware, particularly drives and processors. Always follow the correct guidance in using a computer machine.
2. Faulty manufacture –It seems there are an almost infinite number of manufacturers and assemblers making computers and while some have vast experience and resources, others are no more than two guys in a garage so it is not surprising that an increasing number of computer systems are faulty when bought.
3. Bad upgrades – It is not just computers themselves that are victims of bad workmanship, upgrades by inexperienced computer fitters can cause horrendous problems. Faulty add-ons such as RAM can kill a processor instantly, also attempting to ‘overclock’ or interfere with a processor can often lead to a fatal melt-down.
4. USB Device Mishaps. It seems everything can be plugged into a USB these days. However, it maybe that your USB device is not suited to the operating system you use or it may be faulty leading to a fatal short circuit.
5. Power problems – Power surges or unexpected power cuts can not only cause instant loss of data but can fry a processor. It is not just power from the grid that causes problems either – lightning can surge through cables (even phone wires) frazzling your system and so can static.
6. Dirt/Dust. A dusty environment will clog a computer and block cooling vents causing a computer to overheat. Dust can also contain conductive material and particles can stick to circuit boards and cause a short circuit. A cloud of dust can also explode if it comes into contact with a source of ignition (like a computer). Even home computers if not properly cleaned can succumb to problems caused by too much dust.
7. Water/fluids. Of course computers are electrical and with all electrical equipment, computers and water do not mix, just one spilt cup of coffee could see the end of your PC.
8. Heat. Processors can run exceptionally hot and if a computers cooling system is inadequate (because the machine has been upgraded, overclocked or just clogged up with dust and grime) it will only be a matter of time before it packs up for good.
9. Cold. Just as with heat, computers don’t enjoy the cold too much either. Processors will not operate at all if the operating temperature is too cold as condensation inside the machine can freeze and expand damaging the processor and electronics.
10. Knocks/bangs. Computers are sensitive machines, simply moving a PC to another room can cause havoc, disrupting the delicate circuitry and hard drives. Dropping a computer or severe knocks and bangs will permanently damage the circuits and processors or dislodge wiring.
The easiest way to protect a PC in business applications from uncontrollable hazards such as heat, dust or vibrations is to use an industrial computer enclosure. These industrial PC enclosures allow a conventional PC to be used whilst housed in a protective cocoon which can be dust, water and even explosive proof.
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Computers are performing more and more tasks in the office and workplace than they ever have before. Computers can conduct many tasks more efficiently than human workers but the more we rely on them the more vulnerable we find ourselves when the machines fail.
Each year, companies have an average of 501 hours of computer downtime, costing them millions in annual productivity and revenue and according to a recent study; computer downtime is responsible for the loss of 3.6% of annual revenue. Which is almost has high as the revenue loss by employee absence (6 %)!
The average life of an office PC is 3-4 years yet a computer’s life can be cut down to a fraction of that amount if the machine is expected to work in less than perfect conditions.
Yet the majority of causes for a computer failure can be prevented by adhering to some simple steps:
1. User errors – Any tool is only as good as the workman who uses it and computers are no different. Actions such as not powering down properly, skipping scan disks or continual button pushing while a computer is processing can damage a computer’s hardware, particularly drives and processors. Always follow the correct guidance in using a computer machine.
2. Faulty manufacture –It seems there are an almost infinite number of manufacturers and assemblers making computers and while some have vast experience and resources, others are no more than two guys in a garage so it is not surprising that an increasing number of computer systems are faulty when bought.
3. Bad upgrades – It is not just computers themselves that are victims of bad workmanship, upgrades by inexperienced computer fitters can cause horrendous problems. Faulty add-ons such as RAM can kill a processor instantly, also attempting to ‘overclock’ or interfere with a processor can often lead to a fatal melt-down.
4. USB Device Mishaps. It seems everything can be plugged into a USB these days. However, it maybe that your USB device is not suited to the operating system you use or it may be faulty leading to a fatal short circuit.
5. Power problems – Power surges or unexpected power cuts can not only cause instant loss of data but can fry a processor. It is not just power from the grid that causes problems either – lightning can surge through cables (even phone wires) frazzling your system and so can static.
6. Dirt/Dust. A dusty environment will clog a computer and block cooling vents causing a computer to overheat. Dust can also contain conductive material and particles can stick to circuit boards and cause a short circuit. A cloud of dust can also explode if it comes into contact with a source of ignition (like a computer). Even home computers if not properly cleaned can succumb to problems caused by too much dust.
7. Water/fluids. Of course computers are electrical and with all electrical equipment, computers and water do not mix, just one spilt cup of coffee could see the end of your PC.
8. Heat. Processors can run exceptionally hot and if a computers cooling system is inadequate (because the machine has been upgraded, overclocked or just clogged up with dust and grime) it will only be a matter of time before it packs up for good.
9. Cold. Just as with heat, computers don’t enjoy the cold too much either. Processors will not operate at all if the operating temperature is too cold as condensation inside the machine can freeze and expand damaging the processor and electronics.
10. Knocks/bangs. Computers are sensitive machines, simply moving a PC to another room can cause havoc, disrupting the delicate circuitry and hard drives. Dropping a computer or severe knocks and bangs will permanently damage the circuits and processors or dislodge wiring.
The easiest way to protect a PC in business applications from uncontrollable hazards such as heat, dust or vibrations is to use an industrial computer enclosure. These industrial PC enclosures allow a conventional PC to be used whilst housed in a protective cocoon which can be dust, water and even explosive proof.
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