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    Add as FriendOperating System

    by: Suresh

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    1 : Functions of Operating System Prof.S.G.Isave, Tilak College of Education, Pune-30 India
    2 : sgisave@ymail.com 2 Operating System A part of system s/w. System s/w is a collection of programs which control the overall functions of computer. Operating system is a program which monitors, controls and maintains the computer.
    3 : sgisave@ymail.com 3 Functions Process Management. Resource Management. File Management. Communication Management. Security Management. Memory Management.
    4 : sgisave@ymail.com 4 Process Management. All process from start to shut down. Booting. Open, Save, Install, uninstall, Copy, Delete, Print, Scan, Connect, Send, upload, download etc.
    5 : sgisave@ymail.com 5 Resource Management. Installing drivers required for input, output, memory, power, communication devices. Coordinating among peripherals. Keyboard – monitor – mouse – printer – scanner – webcam – speaker etc.
    6 : sgisave@ymail.com 6 File Management. Name. Folders. Location. Attributes – size, type, modified, protection, password etc.
    7 : sgisave@ymail.com 7 Communication Management. User – Application S/W – Hardware. One computer to other computer in LAN/WAN. Command interpretation. Downloading-Uploading. Showing messages to user including help.
    8 : sgisave@ymail.com 8 Memory Management. Primary memory - RAM-ROM. Secondary – Hard Disc, CD, DVD, Pen, Memory card etc. Using appropriate memories to execute task. Displaying memory status. Managing disc maintenance i.e. disc cleanup, defragmentation, my document, Recycle bin etc.
    9 : sgisave@ymail.com 9 Security Management. Virus management. Alert messages. Dialogue boxes. Firewall setting. Passwords.
    10 : sgisave@ymail.com 10 OS OS takes care of all software and hardware devices to perform a task given by user. It is a gateway of a computer. os
    11 : sgisave@ymail.com 11
    12 : sgisave@ymail.com 12 Some OS Windows Linux Opera Google Chrome Macintosh MS DOS Unix Windows Server
    13 : sgisave@ymail.com 13
    14 : sgisave@ymail.com 14 Download, improve, use and feedback !

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