CCNA Day01 Session 01 - 2018

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Get to know your Computer. ( Very Basic ) Class 1.

Hello Friends, Let do the first Step... Lets get to know what a Computer is. I am not explaining a text book formula here, I will try to explain as clear and as neutral that everyone should be able to understand the fundamentals. A Computer is just another machine, similar to a mobile. Most of us are using Mobile phones, very similar to it is a computer. ( I would say a Computer is more friendly and interesting than a mobile. ) The first STEP is to make this very clear that a Computer is a very simple machine. With this in your mind, lets proceed and see what a Computer has. 01. Keyboard & Mouse 02. Monitor 03. CPU Now we will learn all the above 3 and see how they are related to each other. 01. Keyboard and Mouse: These are your hands that will make computer work. Whatever you want to communicate to the Computer you will do by them. Its not wrong, If I say these are your ( hand / tongue ) and these are the only two things that can communicate to the Computer. A...
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What's Inside the Computer. ( Basics ) Class 2.

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Hello Friends, Welcome to the Second Blog as promised! What's Inside the Computer! Now that we know, what a Computer is. Lets dive in to find few more facts and insights of what is happening in a Computer. I will be concentrating more on the CPU part here. As the Other parts are pretty much easy and self explanatory,  01. Keyboard/mouse - This is our Hand/Tongue ( this is the way, how we request a task from the computer ) 02. Monitor - This is where our request is shown of what has been requested. ALSO : the results are displayed here. All the processing is happening inside the CPU that we will discuss here. The CPU: Central Processing Unit The CPU is the heart and brain of a computer. It receives data input/ executes instructions/ and processes the information and then displays the result on the output screen. The CPU contains at least one processor for it to work, which is the actual chip inside the CPU that performs calculations. For long time, most CPU's o...
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What is a Virtual machine ( Introduction )

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Hello friends, Now that we have gone through Software/Hardware/Firmware now is the time to step ahead! Lets learn about Virtual machines. Before we get into details, lets get to understand what is a Virtual Machine.  Again, I am not giving you any text book answer, I will explain in very neutral and layman terms so that the basic is well understood and remembered. The term Virtual means, something which is not physically available. Now, when I say virtual machine, it means a computer that is not physically available.  Lets consider a small Office network: 10 users and a server. Total inventory required ( basics for PC office setup ) will be: 01. 11 monitors 02. 10 normal CPU's AND a Server CPU. Now, I plan to install a virtual network, and what I need now is: 01. 11 Monitors. 02.JUST ONE SERVER PC. We are done! The example above was only for a small scale startup with 10 pc setup, just imagine this setup for 100 and 1000 and more PC setups!  V...
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