Statistics shows that an average personal computer is used for only four hours a day and left idle for about 5.5 hours. This shows that computers are not always in use majority of time they are kept on. However, computer systems usually increase the electricity expenses hence there is a need to use a set of features that diminish power consumption by computers known as computer power management.
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TYPES OF COMPUTER POWER MANAGEMENT.Most of the computers when purchased have energy saving features installed but they have to be turn on so as to function as intended. There are different types of these power management and they include;
1. System standby or sleep. This is a technique commonly applied when the computer is not in use for one hour or even more. It helps to slow down the clock rate of the CPU and also spin down the hard disk.
2. Turning off or dimming the monitor. When you are not using the computer for about 30-60 minutes, it is advisable to always turn off the monitor because this will diminish the beam control power thereby assists in saving energy.
3. System shut down or power off. For example; at the end of work day, it is not good to leave the computer on until the next work day or even during weekends. It is good to turn off these computers so as to cut on costs.
4. Turning off hard disks. This will help save energy though in little amount.
DOES POWER MANAGEMENT AFFECT COMPUTERS NEGATIVELY?There are some common myths that turning on and off a computer will end up reducing its life span. Moreover, it is said that turning on a computer requires a lot of extra energy. This is not true. Surprisingly, turning off the computer will even help increase its life span because heat is always produced from the central processing unit(CPU) hence shutting down will help it to cool down and will also give time for the moving parts like cooling fans and spinning hard disks to rest.
IS THERE ANY DRAWBACK ASSOCIATED WITH POWER MANAGEMENT?It is well known time is money, hence fully turned off computers will always take a lot of time to bring it back to its normal operational status. Therefore, it is advisable to turn off the PC when you are away for a long period of time like at the end of work day. Also, using sleeping mode is suitable when the PC is idle for thirty to sixty minutes.
Apply these methods today and save money spent on electricity expenses.