Introduction to Computers

Hands-on Skills Lesson I

By the end of this lesson, you should be able to:Define bootingDifferentiate between cold and warm bootingDescribe the booting processDemonstrate the starting of a computerDemonstrate the steps of shutting down a computer

Booting a computer

Booting refers to the overall processing of making a computer ready for use

Types of Booting

1. Cold booting
2. Warm Booting

Cold Booting

This refers to starting a computer that was off initially by pressing the power button

Warm Booting

This refers to the processes of restarting that was initially on by clicking on the restart button

Booting process

Once the computer is turn on, the BIOS checks the input and output hardware if they are in a good. This is known as Power On Self Test.If there is no problem encountered during this process, the Operating System is loaded onto the RAM and takes over the control of the computer. Note that during the booting process the computer also reads the correct time from the CMOS memory. If the battery for the CMOS memory has worn out, the computer prompts the user to enter the current date and time every time a the computer starts.

Shutting down a computer

If the Operating system is windows 10.

1. Step 1: Close all the running programs
2. Step 2:Point to the start button and click once to display the start menu.
3. Step 3:On the start menu, click on the power button, this displays sleep, shutdown and Restart Options
4. Step 4: Click on the shutdown option to shutdown the computer