1. Introduction to Computer System
Chapter – 1
COMP4001 -Computer Skills

2. 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
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3. Computer Definition Processes data into information Accepts data
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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
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4. Components of Computer System
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Components of Computer System
Software ( Programs /Set of instructions)
Hardware (Physical Parts)
Computer works with the help of software and Hardware
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5. Software Set of instructions which tell computer what to do .
They are also called programs
Commands like start ,shutdown computer (closing)
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6. System / Operating System Software
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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.
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7. Types Of operating system
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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
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8. Application Software Programs that perform specific tasks for users
Types
Word processing ( MS-Word )
Presentation (MS-PowerPoint)
Graphics
Spreadsheet
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9. Hardware Any peripheral devices ( Physically which we can and touch)
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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
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10. 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.
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11. 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.
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12. Windows 7 Desktop (Working Area )
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Windows 7 Desktop (Working Area )
ICONS
Desktop
Start button
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Taskbar Notification Area
Taskbar pinned programs
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13. Windows Desktop (classical view -Working Area )
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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
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14. 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
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15. Window Common Properties
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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
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Status Bar
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16. 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.
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17. Windows 7 computer – Properties configuration
Operating system Name
Processor speed & RAM capacity
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18. 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
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