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What happens when you turn on a computer?
Transcript of What happens when you turn on a computer?
A monitor is an essential part of a complete desktop. It displays the tasks you're doing now, like how the Smart Board right now is displaying my presentation.
A modem is what provides users with the internet. It is not essential but most people have one.
A system unit, also called a CPU, is the brain of the whole computer. It is where your data is stored and it also executes the tasks you tell it to. Without the CPU you can't do anything on the computer, making it a definite essential.
A mouse and a keyboard are also essentials to a computer. A mouse, also known as a cursor, is what makes you check out files and without it, it would be difficult to operate a computer. The keyboard is what gives us the opportunity to type in words, or characteristics, into the screen. Types of computers Parts of a desktop A speaker and printer are both optional on the computer. A speaker is a device which allows more than one person to listen to either movies or songs. A printer allows us to print out documents. This device is handy for businessmen. How computers have developed overtime TaskI of Essentials Types of computers Now lets explore! Personal computers are the most well known computers around the world. They are simple to operate and are considerably cheap. A Personal Computer Minicomputers are more powerful than PCs and can be used by more than one person. A Mini Computer Mainframes are computers which are so powerful they have a whole room filled with hardrives, rectangular prisms which store data. A Mainframe Circle the correct type of computer with its description Computers which are so powerful they have a whole room filled with hardrives, rectangular prisms which store data. Computers which are more powerful than PCs and can be used by many people. A. Minicomputers B. Mainframes C. PCs A. Minicomputers B. Mainframes C. PCs These computers are the most well known computers around the world. They are simple to operate and are considerably cheap. A. Minicomputers B. Mainframes C. PCs Computers through time Here is a timeline of how I believe computers have developed from the past to present to the future. You click the button and this simple action makes an incredible effect, starting up a computer. But what is happening as soon as you press the button.
The first thing that happens as soon as you turn on the PC, is that the Power Supply bursts electricity through the CPU 'making it come into life.'
Now that there is power in this technological device, the microprocessor (a chip which is basically the brain of everything you do on the computer) instructs the BIOS (Basic input/ Output System) to do a power-on self test (POST). To find out more go to the next circle. Microprocessor BIOS Thanks for listening and I hope you had a great time learning about computers. I also hope you had fun. Bye for now! 1. How does the on icon look like in this presentation? 2. What is a BIOS? A chip like a microprocessor A Hardrive A program 3. What could have been done better in this presentation? __________________________________________________
__________________________________________________ Glossary and Links! BIOS is a chip which instructs the microprocessor what to do, only in the booting up sequence. Booting is a set of operations you do after the electrical power is switched on. I know what you're thinking why didn't I use it in my presentation and write it in the glossary. Well the reason I did that was to make the text less complicated and I mentioned it in the Glossary so that people who do want to find out more about computers, can. Most of the other difficult words I've mentioned are already explained but if you still don't understand some words you can ask me after I have finished the presentation. I got around 10% of information from Wikipedia, 75% from my awesome dad and 15% of information, I have learnt from the past. By Paarth