CCNA Day01 Session 01 - 2018

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What is a Firmware? ( Intermediate level )

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Hi Friends, Today we will learn about Firmware! ( the lesser known part of a Computer ) We only hear and see more of software and hardware/ But there is another very important part of any computer or an electronic device... This is a Firmware. To make is simple  : I would say " Firmware is a combination of hardware and software" Let dig into it, and find more details: There are a lot of devices that contain firmware, to name a few Computer peripherals, Embedded systems, consumer appliances and Computers. A very important point to note for a firmware is that it always resides on Non Volatile memory devices such as Flash memory or a ROM, also, these could never be changed in their lifetime ( major cases ) some manufactures also release updates to the Firmware to fix bugs and  some issues if reported major. These updates have to be FLASHED into the firmware. We will go into the flashing in another blog. For now, just remember flashing is the way any firmware is ...
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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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How to set Chrome to not save history.

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Dear Readers, Lets learn how to avoid Chrome to save history. ( I have seen many requests regarding this on various forums, hence thought of sharing an Idea to accomplish this. )   Google Chrome has recently become the Default Web browser of choice for many Mac and PC users ( including me ). It’s fast, flexible, smart, user friendly, and relatively secure Etc Etc. But it has an issue / a flaw: unlike most browsers, Chrome has no user setting to prevent or automatically clear the browser history. We can though always manually clear the history, but doing that takes a few clicks through a few menus; not ideal. Luckily, there’s a trick we can use to prevent browsing history from being recorded in Chrome. See below for the trick. Chrome stores the browser history in a file on your computer’s drive. If we limit Chrome’s ability to modify that file, it won’t be able to record any web addresses. To start, first go into Chrome and manually clear your history by pressin...
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