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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

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

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 AIM : Assemble and DisAssemble Personal Computer  Apparatus : Screw Driver Kit Precautions:  1) Computer sholud be disconnected to powersupply and remove all power chords. 2) Wear gloves or keep hands dry. Procedure : 1) Open the Cabinet 2) I Identified some important parts of the computer, namely     a) SMPS - Switch Mode Power Supply - It is the power supply unit to all peripherals of the computer.     b) Mother Board - It is a basic main computer board. here I observed          1) RAM - Random Access Memory          2) ROM - Read Only Memory          3) CMOS Battery - Complementary Metal Oxide Semi Conductor - For saving BIOS Inoformation          4) RAM Slots          5) CPU Fan, and I noticed CPU under CPU Fan         6) I noticed all connectors like powersuppy, CPU Fan, Sound Speakers, Extenal USB Ports,      Mounted Ports, etc         7) Hard Disc         8) DVD drive I observed carefully these parts, and enjoyed the architecture. Now, I will assemble and disassemble the Person

  Basic Parts of a Computer Some of the main parts of a computer are the keyboard, CPU, monitor, power supply, and storage memory. Computers have become an indispensable part of our daily lives due to their high usability. From basic arithmetic operations to high-end algorithms, computers can perform multiple tasks based on the input data and software installed. The basic knowledge about the main parts of the computer is being imparted to school kids so they can learn the advanced concepts easily in the higher grades. There are five basic parts of a computer including the processor, which are assembled for carrying out various logical computing operations.   What is a Computer? A computer is a machine or an electronic device that stores, retrieves, and manipulates data. It can perform arithmetic operations or logical functions automatically based on the instructions and input data provided by users. Here, input data refers to the information provided by the users. The input data can be