How computers work.

This is a presentation explaining how computers work.

Big image

The case

Yes this is apart of the computer. This part is not a mandatory part of the computer but if you want a "professional" build then it is this part also means your computer looks alot nicer from the outside along with a more compact design the case has slots for different parts also making building your computer having slots for everything like:

Power supply

GPU slots

HDD Slots

USB Slots for the motherboard USB ports

Sound card/Audio input & Output

LAN connection port


Water Cooling



The CPU means Central Processing unit.

This part does all the calculations sent by the RAM.

There are 2 main CPU manufacturer Intel Which is the I series and the E series and the other manufacturer is amd who also produces other computer components

The CPU is a fairly small chip placed underneath the Heat Sync

There are many series of the intel processors and amd here are some intel ones

T series

E series

Xeon series

Celeron series

I series

This is in order of how fast the series are

2x 2.66Ghz E6650 [E series]


1x2Ghz amd fx Eight-Core [Latest Xeon Series]

the i series processor would be fast which is something that should be taken into account when buying a computer


Simple upgrades for your computers.


The RAM is a shortened name of Random Access Memory.When you upgrade your RAM it will mean you can have more windows or "tasks" open without your computer slowing down as much a powerful CPU will still be needed to keep them all running if they are all rendering or so. For that they will require a better GPU for image and video rendering.Or watching multiple youtube videos in HD that will lag it out.

The main job of the RAM is to store temporary information and tasks for the CPU to calculate and the GPU to display and render

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This is what all the components of the computer connect to.This has the biggest connector from the power supply which is either a 24 pin plug usually on the side of a motherboard or a 20+4 for more modern power supplies.And either with expansion slots or leads everything will connect to the motherboard linking it to the CPU to control everything.

The Motherboard is like the body of the computer it connects everything together with wires and pins just like the human body does with nerves. The type of processors that it can have is determined by how many nm's the CPU uses which connects the cpu to the motherboard like nerves do to the brain.

PSU (Power Supply unit)

The PSU is what provides power from the mains into the computer powering everything.

Most modern day PSU's have 2 modes a 240V input for UK mains and 110V input for Europe.There are loads of PSU's in the world available all with different Watt value's

because some higher end components use more power so to make a higher end build you will need a higher end PSU.


This stands for graphics processing unit this is pretty much a CPU but instead of number crunching

How all the components connect together


Everything connects to this such as:

Network Card [integrated and dedicated]

Sound Card [integrated and dedicated]

GPU [integrated and dedicated]

SLI and CrossFire Gpu [dedicated]


Optical drve

DVD burner



CPu power

20 pin motherboard power

24pin motherboard power and more.

Most things you can just plug into the motherboard with connectors.But things like the HardDrives SSD's and some more just use SATA connectors or power leading from the motherboard to send data to the rest of the computer components.Or use power to get the airflow going around the computer like fans and even water cooling.As the pump needs power.

building a computer?

To build a computer you want to get all of your parts together and be in a anti static environment. get your motherboard out and locate it on the box for a easy stable desk. the second step you want to do is to get your cpu out of its plastic packaging and place the pin side into the correct LGA socket be careful not to bend the pins and pull up the safety clamp. At this point you want to install the ram into the DIMM slots on the motherboard. there will be a notch about 2/3 of the way down. now your going to want to install your motherboard but FIRST your iosheild into the case. line up your motherboard to the iosheild. you should have a PSU inside of your case already but if not install simply slide in the PSU and plug the4 pin CPU in the motherboard and the 20+4pin