Operating Systems - Test
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Operating System - Theory - 2
Operating Systems An Operating System (OS) is an interface between a computer user and computer hardware. An operating system is a software which performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers. Some popular Operating Systems include Linux Operating System, Windows Operating System, VMS, OS/400, AIX, z/OS, etc. Definition An operating system is a program that acts as an interface between the user and the computer hardware and controls the execution of all kinds of programs. Following are some of important functions of an operating System. Memory Management Processor Management Device Management File Management Security Control over system performance Job accounting Error detecting aids Coordination between other software and users Memory Management Memory management refers to management of Primary Memory or Main Memory. Main memory is a large
File Management - Practical - 2
Windows File Management 1. Click the Windows Explorer button on the taskbar The Windows Explorer window opens, displaying the contents of the Libraries folder. Windows 7 comes with four default libraries: Documents, Music, Pictures, and Videos. 2. Point to Libraries, click the Expand indicator next to Libraries if necessary to expand the list, then click Documents in the Navigation pane under Libraries The contents of the Documents library folder open in our Windows Explorer window. 3. If we want to save our Data Files to a USB drive, make sure the USB drive where you store our Data Files is plugged into our computer, then click Computer in the Navigation pane The Computer window opens, displaying the contents of your computer, including all disk drives, removable storage devices, and network locations. 4. Click the drive where we store your Data Files The bottom pane of the Computer window changes to display details about the selected drive. This figure shows a USB drive labeled