Most likely is that through the years, we have accumulated a lot of manners when we sit front to computer, such as avoid leaving near of the PC the cell phone, most of them heard from the mouth of dozens of colleagues and technicians, and have become true myths, which most of the time not have the slightest scientific handle.
If never we got to really think about some of the strange things that we do while using the computer, this is our chance of knowing that leads us to behave that way. Know which of these affirmations are myths and truths which will help us to think more effectively differently. The following are several situations where myths are very present in our behavior:
Myth N°1: It is bad for the computer have magnets attached to the CPU?
False! There is no problem with the CPU, but if it happens with the monitor, it alters its colors. This always happens with CRT type monitors. In LCD monitors there is no such problem. Avoid, at all costs, electromagnetic devices placed close to monitors because colors can become permanently altered.
Myth N° 2: Pushing the tray of the CD / DVD with your finger to insert it into the CPU is harmful?
False! Nothing to do with reality. Nothing will happen to the CD / DVD if you push the tray with a normal force. It was developed exactly for that.
Myth N° 3: Spilling water or coffee on the keyboard can damage it?
True! The metallic contacts that are under the keys can deteriorate. You can create a short circuit and stop working.
Myth N° 4: You need to have space between the monitor and the back wall?
False! The monitor is not a fridge. The atmosphere, in general, should be ventilated, but it is not essential that there is a great distance. It is much worse to have another monitor behind (as in many offices) because it can be a risk of interference.
Myth N° 5: If the PC remains powered all night, is necessary to turn on and off again to use it?
False! It is possible to keep on with no problem. Although it may seem otherwise, you feel you want to turn it off to rest, according to human logic. The hard disk lasts much longer if the power is on, Turn on and off the hard drive shorten its life. As a matter of economy of energy, should not leave the PC turned on several days, though, if we did not consider the factor of global warming, it would be much better for the PC that never turn off. They were created for that.
Myth N°6: Is it possible to damage the computer if we place a cell phone near the device?
False! No problem; at most, an interference caused by the phone on speaker.
Myth N°7: After turning off the computer it is better to wait a few seconds before turning it back on?
True! You should wait at least 10 seconds before turning it back on.
Myth N° 8: Move the CPU when the PC is turned on can damage the hard disk?
False! The centrifugal force that rotates the hard drive is so great that nothing happens when the CPU moves. Much less, if it is a notebook, because they were created for that.
Myth N°9: For the sake of the monitor, it is convenient to use a screensaver when not in use?
True! This is because the screensavers were designed to deteriorate the screen evenly. If the images are renew constantly, not spent in one place. Of course this is only necessary in CRT monitors. The LCD and LED monitors do not have this problem.
Myth N° 10: It is dangerous to look at the red light below the optical mouse?
True! While we will not becoming blind by doing so, the fact is that being a fairly strong light can damage the retina.
Myth N° 11: In the notebooks, first must connect the power cord to the computer and only after to the electrical outlet?
False! It can be done in any order. Almost all modern laptops have anti short circuit protection and are multi-voltage, can be connected to voltages from 90 to 240 volts, being extremely stable.
Myth N° 12: When we turn off the computer, we must also turn off the monitor?
False! It does not matter. When disconnecting the CPU, the monitor is in a state that consumes very little power (about 1W, almost nothing) and suffers no wear. The decision ends up being a function of the economy, although consumption is really minimal.
Myth N° 13: The computer should never be exposed to the sun?
True! If the computer heated more than necessary and allowed, life tends to decrease. Therefore, it is never a good idea to install the PC near a window directly exposed to sunlight.
Myth N° 14: If more than 80% of the hard disk is used, the PC becomes slower?
True! It is always a matter of percentage. Even though it has 20 Gb free, if less than 20% of disk capacity, the operation of the computer will be slower.
Myth N° 15: The desktop full of icons makes the PC run slower?
True! No matter whether they are icons of programs or files. What happens is that the video card PC constantly renews the information displayed on the monitor, how much more we have icons on the desktop, slower renewal.
Myth N° 16: Do not remove a USB flash drive or memory card without removing it safely.
True! You must select the ‘Safely Remove Hardware’ before removing it. Otherwise, you run the risk of damage the USB memory device.
Myth N° 17: Turn off the PC directly with the button, without doing it by choice of operating system can damage the hard disk?
True! The hard drive can be damaged to be off while reading or writing. When turned off suddenly, the plates that cover the disk (which rotates up to 10,000 revolutions) descend upon him. When you select the ‘Off’ option, the entire system is prepared to stand and suspend all activities. Each piece will be in its proper place.
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