9 'word of mouth' false technology

There are many 'tips' and technology information that is transmitted daily, but very few people know they are outdated or wrong.

1. Mac does not stick to viruses

For years, Apple claimed on the website that its computer was better than a Windows computer because of the "immunity " of the virus that the PC often encountered. However, over time, Apple cannot be complacent. In June 2012, the company updated the website and deleted the claim because of the spread of the virus that attacks the Mac operating system. According to Sophos, about 2.6% of Macs have infected the virus.

2. The more cameras 'dots' the better

Surprisingly, many people still carry the idea of ​​' as many pixels as possible' when buying a camera. A higher MP number is only meaningful if you plan to enlarge the photo without breaking the image. The MP number is not as important as the lens and camera sensor.

3. Turn off the app to extend the iPhone battery life

For a long time, the word ' mantra' to use iPhone longer is to double-click the home button and then turn off all applications on the end of the screen toolbar that is not in use. However, this app icon row is just a list of recently used applications, not running applications. When you press the home button and exit an application, the iPhone will automatically turn off the application about 5 seconds later; The application does not drain the iPhone battery.

4. Plugging in the computer charger continuously will make the battery 'bottle'

Many people who regularly plug in their laptops even when they are not using such a fear will make the battery 'bottle ', but it is not. Today, almost every laptop uses lithium batteries and is designed with a switch, automatically selects a stable power supply, so it is possible to use the power supply directly from the charger without the battery power supply. when the battery is full, and the battery power for the laptop battery will disconnect when the battery is fully charged.

In addition, continuous charging is better than using a battery that is often depleted and recharging, removing the battery charger and reinstalling it because it will reduce laptop battery life.

5. At least once a week to drain the battery

As with the above reasons, lithium batteries can be charged at any time, and should not be depleted and charged before charging, when charging is low.

6. Placing laptops on thighs increases the risk of infertility

Some researchers believe that sperm exposed to radiation from laptops affects DNA and less movement, increasing the risk of infertility. However, it seems that this study has been done quite 'carelessly' and actually proves that male sperm is not in danger with the habit of putting a laptop on the lap.

There are more legitimate reasons for not putting a laptop on your lap like you might get ' baked skin syndrome ', which means permanent skin damage.

7. QWERTY keyboard reduces the typing speed

Some people try to find a way to prove that the QWERTY keyboard is designed to slow down user typing. The wrong story spread here is: In the 1870s, editing a sickly newspaper because the correspondent always made a typo, so he wanted to rearrange the silly keys so that even the typist The fastest must also slow down and minimize the number of errors.

However, the real story here is that the QWERTY layout is chosen to reduce the number of typos, but not to slow down. Keys are arranged according to the combination of frequently used characters, such as 't' and 'h' pairs of characters. The QWERTY keyboard is named after the first 5 characters on the top of the keyboard from left to right.

8. Magnet delete hard drive data

Although magnets can erase floppy disk data, USB, SD memory cards, laptop and desktop hard drives are not affected, unless using a specially designed magnet strong enough to erase all content Hard Drive.

9. Facebook starts charging for services

Many people believe that after IPO, the world's largest social network will charge user services. However, the reality is not so. This is a question and answer section in the Facebook Help Center help center: 'Does Facebook charge a service fee?' 'Is not. We always keep Facebook a free service for everyone. '