Because Apple is a power hungry and greedy company that pattented their "magsafe" technology with such a high price tag that no one else would consider paying for it.
Laptop power supplies generally come from their manufacturer. So HP power supplies would come from Hewlett Packard, and IBM power supplies would come from IBM.
All new laptops come with a wireless network adapter.
Freezing rain and heavy snow cause power failures by building up on overhead power lines, overburdening them. They either snap the line from the weight or come loose from their connectors to the poles and come down.
Toshiba laptops come in all different sizes, from 10" to 18".
yes
All laptops come equipped with their own battery packs. When you disconnect a laptop from the mains, it automatically switches to the DC power from its battery pack.
They can come in lots of different colours
Not all of them, most of them.
All new laptops come with wireless network cards already built into them
Not sure why the words "CD slots" is in the question...but laptops do come with CD rom drives.
No, new laptops do not come with Windows XP back up software disks. New laptops and desktops now come with Windows 8 installed. A Windows XP disk could still be purchased separately at select places.
never