It is called monitor shut off. It's for the purpose of power saving. You can actually disable it or make the time too long before it shuts down by going to the properties.
Yes, it puts the laptop in a kind of sleep mode so that when you open the laptop back up (some laptops require for you to hit the power button) it will take a few seconds to resume and you basically start back where you left off.
saves battery power without shutting down
Have you tried pressing Fn+F7? This activates / deactivates the touchpad.
Yes.
It is usually a laptop A "wireless computer" is generally a laptop, which, unless it isn't fully charged, will operate without cords or wires. =]
Depending on the use and care of the laptop it can last anywhere from two years to ten years. With shutting the computer down correctly, updating your computer when it calls for it, and keeping malicious software from harboring on your computer for long periods of time to ensure the longest life for the laptop.
Most modern laptop computers may be used without the battery installed with no side-effects, other than that of the battery not charging. A few computers are designed to prevent you from operating the computer without a battery, so that you won't lose your work, if you accidentally unplug the unit, although the internal battery might give you a few seconds of time to plug it back in.
A laptop computer has a battery that has a wonderful battery life. As long as you charge your laptop battery for the appropriate amount of time, then you can use your laptop without the need to plug it in for many hours. This will allow you to be free and not be tied to finding an outlet to plug in your laptop.
A laptop IS a computer
A laptop IS a computer. They can certainly be used for most applications without being connected to anything. Many have wireless capability and can connect to the internet without being directly connected to anything else, but they are connected, it's just wireless.
Those without at least one would be a rarity
Try Fn+F7 it usually works on mine!