There is a common demand for laptops because...
1. They are portable;
2. Many come with a wireless option;
3. They are seen as 'cool' by some people, like a fashion item;
4. They are generally cheaper than buying a computer.
Its depend upon the your purpose and idea. For what purpose you are going to buy laptop. gaming and business laptop need high RAM.
you dont, if your laptop supports it you dont need the dongle
To carry your laptop computer safely and comfortably.
an extention cord...
no you dont NEED it, but you do need a router(wifi connection) in order to use the internet on the laptop
no
Yes you can play need for speed in laps better to go for an higher end laps.
Every laptop has a different power rating.
You need to use a computer with it, but not necessarily a laptop.
If you have a router (connected to internet), and you get a laptop with wireless enabled you do not need anything else. You can connect your laptop to the router and have internet on your laptop.
"A leather laptop case isn't necessary, but depending on if you need it then it may be necessary. Most people don't need a leather laptop case. A variety of laptop cases are available on the market."
No you need a blu ray player in your laptop. If your laptop has an HDMI output and a Blu Ray player then the HDMI cable will allow you to play your laptop Blu-ray disc using the HDTV instead of your laptop screen and sound