No, they are not hard to install at all. You can either get a key pad entry for your garage or your front door. Either way you decide to go, they can both be installed pretty easily without having done it before. You can get more detailed info on how to install the garage door pad at http://www.ehow.com/how_7299223_install-garage-door-opener-keypad.html.
Yes
There's no hard limit on the number of operating systems you can install. The limit will be dictated by the number of operating systems that support your hardware and the amount of space on your hard drive(s).
no its really easy...great keypad
You need to create a partition on your hard drive. You can then install separate OS on each partition. Run BIOS to select which partition to boot from.
It depends on if the dog is very young and very energetic. If it is, you're going to have a hard time catching it and installing the tracking system.
It is extremely difficult to install keyless entry mode, especially if you are deaf or blind. Nearsightedness may also be an issue one would concern. However, if you believe in the quality of your own healing ability then you shall achieve your goals.
To install two separate operating systems you will have to create separate partions on the hard disk. You then install each operating system in it's own partion and use a boot loader such as GRUB to select which system you want to boot, some operating systems might include their own boot loader during the installation.
yes just press hard on your keypad until broken
If you are good with electrical wiring, it will not be that hard. If you aren't that sure, you should get an electricican to install it.
What are the prosiejers to install a hard drive besides the computers motherboard
This depends on how you are as an individual at wiring projects. If you understand the intercom wires and how to hard wire them throughout the house then it may not be difficult. This website walks you through a general wiring job. http://homeintercomsystemsinfo.com/nutone-intercom-systems/how-to-install-a-wireless-home-intercom-system-2/
You must partiton your hard drive so you have two partitons(you MUST have the partition space be at LEAST the minimum requirement for the specific Operating System being installed in that partition). Once you partition your hard drive you can then install the two operating systems(one operating system per partition). Its recommended that you install the older OS before the latest OS.