Introduction to Computer System Chapter – 1 COMP4001 -Computer Skills

Computer Skills - COMP4001 Computer Definition It is a electronic device that accepts input , processes data, stores data and produces output. Example Calculator - It accepts only numbers , does simple math process( +,-,*,/ ) , produces output /result on screen COMP4001 College of Applied Sciences ,MOHE

Computer Definition Processes data into information Accepts data Computer Skills - COMP4001 Computer Definition Accepts data Raw facts, figures, and symbols Processes data into information Data that is organized, meaningful, and useful Computer not only calculates ,but also capable of doing many big tasks with the help of software programs. Like salary calculation, bank transcations …. Produces and stores results COMP4001 College of Applied Sciences ,MOHE

Components of Computer System Computer Skills - COMP4001 Components of Computer System Software ( Programs /Set of instructions) Hardware (Physical Parts) Computer works with the help of software and Hardware COMP4001 College of Applied Sciences ,MOHE

Software Set of instructions which tell computer what to do . They are also called programs Commands like start ,shutdown computer (closing) COMP4001

System / Operating System Software Computer Skills - COMP4001 System / Operating System Software Programs that control or maintain the operations of the computer and its devices Operating System (OS) Set of programs that coordinates all activities among computer hardware devices and allows users to run application software Every computer system has( must ) at least one operating system Operating system software is must. In New computers operating system software is installed but not copied. COMP4001 College of Applied Sciences ,MOHE

Types Of operating system Computer Skills - COMP4001 Types Of operating system Windows ( 7,XP, Vista) GUI, Famous, User Friendly Unix, Sco-Unix DOS ( very old) GUI - graphical User interface – user friendly - pictures or Icons which are very easy to click and work Windows Operating System Desktop COMP4001 College of Applied Sciences ,MOHE

Application Software Programs that perform specific tasks for users Types Word processing ( MS-Word ) Presentation (MS-PowerPoint) Graphics Spreadsheet COMP4001

Hardware Any peripheral devices ( Physically which we can and touch) Computer Skills - COMP4001 Hardware Any peripheral devices ( Physically which we can and touch) and components (inside covered) of the computer NOTE :Explain about each device and why we use COMP4001 College of Applied Sciences ,MOHE

Practical Exercise (Desktop) Computer Skills - COMP4001 Practical Exercise (Desktop) Use Desktop Programs option and check the following. What are the Application software in your college computer? What is the Operating System on your system? What are the software of Microsoft company? What are the other interesting programs of operating system? Last 1 is hour practical. student should practice after demo in the class. COMP4001 College of Applied Sciences ,MOHE

Computer Skills - COMP4001 Practical Exercise List the hardware parts which you are able to see and use. How Keyboard is different from screen? Can you print from your system / is printer is connected to your system. Student should be able to tell names in english and write on the board common hardware devices. COMP4001 College of Applied Sciences ,MOHE

Windows 7 Desktop (Working Area ) Computer Skills - COMP4001 Windows 7 Desktop (Working Area ) ICONS Desktop Start button COMP4001 Taskbar Notification Area Taskbar pinned programs College of Applied Sciences ,MOHE

Windows Desktop (classical view -Working Area ) Computer Skills - COMP4001 Windows Desktop (classical view -Working Area ) Start Quick Launch Taskbar Taskbar Notification Button Toolbar Area Icons Desktop Mouse Cursor Explain Taskbar use and show them practical by opening 2 to 3 different windows COMP4001 College of Applied Sciences ,MOHE

Start Icon /Button Computer Skills - COMP4001 Current user name Frequently used programs Search files Recently opened items Explain the Usage of these options and let them check on their PC COMP4001 College of Applied Sciences ,MOHE

Window Common Properties Computer Skills - COMP4001 Window Common Properties Close Maximize/Restore Minimize Control Icon Title Bar Menu Bar MY COMPUTER WINDOW Explain each label and show demo practically by using window Show window minimizing , maximizing , closing and window minimized small icon on taskbar COMP4001 Status Bar College of Applied Sciences ,MOHE

System Properties /Configuration To see your computers operating system Click on ‘My computer’ on desktop / from ‘Start’ Menu Keeping your mouse cursor in ‘My computer ‘ Window , Right click on mouse and select ‘Properties’ option The ‘System Properties’ window is displayed with system details. COMP4001

Windows 7 computer – Properties configuration Operating system Name Processor speed & RAM capacity COMP4001

Computer Skills - COMP4001 Shutting down system Shutdown or logoff your computer after using or when you don’t want to use computer system * Difference between Logoff and shutdown COMP4001 College of Applied Sciences ,MOHE