#1 What is Raspberry Pi ?



This is 1st post on Raspberry Pi tutorial.
If you want the list of posts click here.

The Raspberry Pi is a low cost, credit-card sized computer that plugs into a computer monitor or TV, and uses a standard keyboard and mouse. You might be aware of the entry level micro controller "Arduino" [Click here for Arduino Tutorials]. In the first post of the Arduino tutorials I had mentioned about the micro processor and micro controllers, so is raspberry pi same ?

Answer to this question would be no! Raspberry Pi is a SoC [System on Chip], the exact meaning of which can be found here. In layman's language it is a computer, small sized computer. It consists of a RAM, OS, Ethernet, USB ports etc., unlike Arduino.
It is way more powerful then Arduino because it has a processor with high clock frequency, RAM, Digital Signal Processor [DSP] and it has a OS [it's not a general purpose OS, we will talk about this later].

RPi is capable of performing heavy mathematical calculations, simulations etc. and believe me the major reason for people to prefer RPi is its CHEAP ! [Compared to other SoCs].

It’s capable of doing everything you’d expect a desktop computer to do, from browsing the internet and playing high-definition video, to making spreadsheets, word-processing, and playing games or even making your own electronic/computer based projects.
The Raspberry Pi Foundation is a registered educational charity (registration number 1129409) based in the UK.

Raspberry Pi Official Website :- https://www.raspberrypi.org

Here is video that will give you a little more idea about Raspberry Pi :-


You can buy Raspberry Pi from various retailers or their official store. There are many versions of Raspberry Pi like Raspberry Pi A, A+, B, B+, Raspberry Pi 2 etc.
Versions differ in their CPU clock speeds, RAM and GPIO [General Purpose Input Output] Pins. Depending upon your use you can choose one. [I will suggest to use the wiki link given above because they have made a table out of all specs of each RPi model].

So now I guess you have a pretty good Idea about what Raspberry Pi is and what it can do. In the following posts I will be taking Raspberry Pi 2 for consideration. [You can choose any of the above boards, tutorials will be general for every RPi model].
Once you learn using one board you can really work on any of them easily & by yourself.  

Visit the next post 'Setting Up Raspberry Pi - Part 1'.
click here.

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