<commit_before>---
title: Computer Hardware
---
## Computer Hardware

In this section, we explore the various hardware components of modern computers. 

## Parts of a Personal Computer

### Central Processing Unit (CPU)
A Central Processing Unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.

![Intel Core i5 - Front](https://upload.wikimedia.org/wikipedia/commons/thumb/8/83/Intel_i5-2500.jpg/247px-Intel_i5-2500.jpg) ![Intel Core i5 - Back](https://upload.wikimedia.org/wikipedia/commons/thumb/9/95/Intel_i5-3330%2C_bottom.jpg/240px-Intel_i5-3330%2C_bottom.jpg)

### Motherboard
The motherboard houses many of the crucial electronic components of a system, such as the central processing unit (CPU), memory and extension cards. It also provides electrical connection between these compoenents and other peripherals so they can communicate.
  
![Motherboard](https://fthmb.tqn.com/mmTUdCN6UBGIKlkEggGq4fpV-3k=/768x0/filters:no_upscale()/gig-57c732ed3df78c71b60e7aa5.jpg)  

### Expansion Cards (eg. GPU)
Expansion cards are printed circuit board that can be inserted into a computer motherboard to add functionality to a computer system via the expansion bus. 
An example of extension cards is the GPU. A graphics processing unit (GPU) is a specialized electronic circuit designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device.
  
![Nvidia Titan XP](https://cdn.arstechnica.net/wp-content/uploads/2017/04/nvidia-titan-x.jpg)  
  
### Storage (SSD or HDD)
The Solid State Drive (SSD) or Hard Disk Drive (HDD) are used to store information on the computer. The drive retains the memory even after loss of power. A Hard Disk Drive uses a spinning disk to store memory, while a Solid State Drive has no moving mechanical components. 
<commit_msg>Added information to the storage section. (#27177)<commit_after>---
title: Computer Hardware
---
## Computer Hardware

In this section, we explore the various hardware components of modern computers. 

## Parts of a Personal Computer

### Central Processing Unit (CPU)
A Central Processing Unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.

![Intel Core i5 - Front](https://upload.wikimedia.org/wikipedia/commons/thumb/8/83/Intel_i5-2500.jpg/247px-Intel_i5-2500.jpg) ![Intel Core i5 - Back](https://upload.wikimedia.org/wikipedia/commons/thumb/9/95/Intel_i5-3330%2C_bottom.jpg/240px-Intel_i5-3330%2C_bottom.jpg)

### Motherboard
The motherboard houses many of the crucial electronic components of a system, such as the central processing unit (CPU), memory and extension cards. It also provides electrical connection between these compoenents and other peripherals so they can communicate.
  
![Motherboard](https://fthmb.tqn.com/mmTUdCN6UBGIKlkEggGq4fpV-3k=/768x0/filters:no_upscale()/gig-57c732ed3df78c71b60e7aa5.jpg)  

### Expansion Cards (eg. GPU)
Expansion cards are printed circuit board that can be inserted into a computer motherboard to add functionality to a computer system via the expansion bus. 
An example of extension cards is the GPU. A graphics processing unit (GPU) is a specialized electronic circuit designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device.
  
![Nvidia Titan XP](https://cdn.arstechnica.net/wp-content/uploads/2017/04/nvidia-titan-x.jpg)  
  
### Storage (SSD or HDD)
The Solid State Drive (SSD) or Hard Disk Drive (HDD) are used to store information on the computer. The drive retains the memory even after loss of power. A Hard Disk Drive uses a spinning disk to store memory, while a Solid State Drive has no moving mechanical components. Solid State Drives are often used to load operating systems since they are a great deal faster than a traditional Hard Disk Drive. 

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