Operating System

4. A software, which helps to keep your computer safe and secure
5. This is a process, which will put all the "fragmented" files together and will make the computer faster. Windows OS provide an utility to do this job.
7. A small but very important software, which will be stored on ROM. This software will check all the hardware components when user turn on the computer. This software also will load the Operating System.
8. A utility software comes with Windows Operating Systems, which helps to remove unnecessary files from computer.
9. A special software, which will make individual hardware work. For example, to make your graphics card work, you need to install this software for that particular graphics card.
11. A free utility software in Windows Operating System, which can check all incoming and outgoing network traffic.

1. Important component of computer, which connects all the other computer components together.
2. One of the main computer components, which will do all the "processing" of the computer.
3. Most important software for computer system, which takes user input, process the input by using hardware components and provide the output.
6. A process which allows user to make a copy of important data. Free utility tool, comes with Windows, can be used to make a copy of data that be be used if user's computer crash.
10. A very important component of a computer, which keeps the data temporarily. When the user turns off the computer, all the data stored here will be erased.