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Different Functions Of Operating Systems

Topic: Different Functions Of Operating Systems What is an Operating System? Operating systems are an important type of system software. They provide a lot of facilities to the users. An operating system can be defined as software that acts as an interface between the end user and the hardware. Computer users can use computer systems that have an OS or operating system installed. For example, Microsoft Windows is a popular PC operating system. What is the Importance of Operating System in Computer? Each computer must have at least one operating system to run other programs. for example, if there is no operating system in your computer, you will not be able to use the computer. When you install an OS like Microsoft Windows on your computer, it displays its GUI that is Windows desktop on startup. Now you can use your computer with the help of graphical user interface elements like icons, menus, shortcuts on your computer screen. Similarly if you wish to install application prog

Explain Different Components of Operating System

Topic: Explain Different Components of Operating System Q. What is an Operating System? Explain Components of an Operating system. Operating System An operating system is a set of programs that manages all computer components and operations. An operating system works as an interface between the user and the computer hardware. Examples of Operating Systems Some popular operating systems are DOS, windows, Unix, Linux, and OS/2. Without Operating System, a computer cannot do anything. Users interact with the computer through operating system. Operating system acts as an interface between a user and computer hardware. Components of an Operating system An Operating system has many components to manage all resources of a computer system as following: 1.    Process Management CPU can perform one task at one time. If there are many tasks, operating system decides which task should get the CPU first. 2.     Main Memory Management Operating system manages memory (RAM)for

Attributes of TR Tag in HTML Tables

Use Of TR Tag <TR> tag is used to create rows in HTML Tables. <TR> is the opening tag to start a row and </TR> is a closing tag to end a row. You can place pairs of <td>...</td> tags to create data cells in a row within the <tr>...</tr> tags. for example to create a row with only one cell containing data "Apples", we will use the following html code.and Mangoes respectively: <tr> <td>Apples</td> </tr> Apples If you want to create a row with two cells containing data "Apples" and "Mangoes" respectively, we will use the following html code. <tr> <td>Apples</td> <td>Mangoes</td> </tr> Apples Mangoes You canm also create a header row with the help of <TR> tag and <TH> tags. For example, to create a header row with two header cells with contents "Employee" and "Salary", we will use the following HTML co