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Update index.md (#35570)

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Rajiv Ranjan Singh
2019-03-11 21:57:40 +05:30
committed by Randell Dawson
parent 9142adbf74
commit 49ecb31306
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guide/english/computer-hardware/index.md
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@ -13,12 +13,12 @@ A Central Processing Unit (CPU) is the electronic circuitry within a computer th
![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.
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 components and other peripherals so they can communicate.
![Motherboard](https://fthmb.tqn.com/mmTUdCN6UBGIKlkEggGq4fpV-3k=/768x0/filters:no_upscale()/gig-57c732ed3df78c71b60e7aa5.jpg)
### Expansion Cards
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. It can either add capabilities, like allowing for a new type of I/O port, or upgrade existing ones, such as increasing audio quality via sound cards or increasing ethernet speed through a network card. Expansion cards are typically added to the computer by putting them in to the motherboard's available PCI-Express slots.
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. It can either add capabilities, like allowing for a new type of I/O port or upgrade existing ones, such as increasing audio quality via sound cards or increasing ethernet speed through a network card. Expansion cards are typically added to the computer by putting them into the motherboard's available PCI-Express slots.
An example of extension cards is the Graphics Processing Unit (GPU). A 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.
### Graphics Processing Unit
@ -38,7 +38,7 @@ Random-access memory (RAM) is a form of computer data storage which stores data
![Ram](https://images10.newegg.com/NeweggImage/ProductImage/20-232-476-S01.jpg)
### Case
A case is used to house all the components of a computer. The case helps maintain proper airflow, and prevents dust and other foreign substances from getting onto and into the computer and its components. Components housed inside the case are INTERNAL components, while any peripheral components outside the case are known as EXTERNAL components. Computer cases can vary from small and portable to quite large. Some cases are very plain, while others can have lighting effects and unique shapes.
A case is used to house all the components of a computer. The case helps maintain proper airflow and prevents dust and other foreign substances from getting onto and into the computer and its components. Components housed inside the case are INTERNAL components, while any peripheral components outside the case are known as EXTERNAL components. Computer cases can vary from small and portable to quite large. Some cases are very plain, while others can have lighting effects and unique shapes.
![Case](https://images-na.ssl-images-amazon.com/images/I/41Wq97Jk20L._SL500_AC_SS350_.jpg)
@ -58,6 +58,6 @@ A computer monitor is an output device which displays information in pictorial f
![Monitor](https://assets.pcmag.com/media/images/523934-dell-ultrasharp-34-curved-monitor-u3417w.jpg?thumb=y)
### Printer
A Printer is also an output device which print information on paper and you will get hard copy of your information.
A Printer is also an output device which prints information on paper and you will get a hard copy of your information.
![Printer](https://tse3.mm.bing.net/th?id=OIP.x182MqnHzLndMBv2unN4HwHaE8&pid=15.1&P=0&w=258&h=173)