If you have them you could plug in additional fans allowing the tower to stay cooler.
PCI devices (extra fan's) (Graphics cards) (network cards) stuff like that
or more likely
RAM cards - for adding extra memory
Expansion cards
Expansion cards
RAM, GPU, Sound card, ect.
motherboard is the heart of the computer, also provide an area where the internal components can connect.
The purpose of a 4-pin auxiliary connector on a motherboard is to provide an additional 12V power supply to the processor.
An expansion card can be inserted into an expansion bay on various parts of a computer to add functionality to the system. The primary purpose is to provide or expand features not offered by the motherboard.
The Asus motherboard 77-12dl will be more than enough for your tpical home setup.
A peripheral is an external device that can be connected to a computer or other electronic device to provide additional functionality or input/output capabilities. Examples of peripherals include keyboards, mice, printers, and external hard drives.
Not at all, rather the motherboard acts as an interconnecting device. Different hardware components are centrally located on the motherboard and work together with software, to ultimately provide you with a computer experience.
A P1 connector is a power connector found on ATX power supplies. It is used to provide main power to the motherboard, and to control ACPI functionality (tell the power suppy to turn off and back on).
To provide power to a circuit board or fan
they provide energy for the cell membrane
Installing an additional hard drive inside a home computer will provide a large amount of additional storage. Having a separate hard drive can also act as a backup as (hopefully) both drives will not fail at the same time.
they reduced the potential for data redundancy, they provide increased functionality without requiring additional client resources and they help make the physical separation of resources transparent to users
You do not need to in order for your computer to provide basic functionality, but it seperates your hard drive so that your computer thinks you have two or more hard drives, but in reality it has only one. You may use this to use more than one operating system on any given computer system.