ictl - overview of computer system
DESCRIPTION
Slide ini digunakan dalam P&P di SMK Gadong Beaufort.Dihasilkan oleh : Rosiadi TajudinTRANSCRIPT
INFORMATION & COMMUNICATION TECHNOLOGY LITERACY (ICTL)
FORM 1
Overview of Computer System
Prepared by:ROSIADI BIN TAJUDIN
SMK GADONG BEAUFORT
Learning objectives
At the end of the lesson you will be able to:
• Identify 5 main components in the computer system correctly.
• State the functions of the 5 main components in the computer system correctly.
• Explain briefly the data processing cycle of a computer system correctly.
Main Components of Computer System
Monitor System Unit
Speaker
Keyboard
Mouse
Main Components of Computer System
Modern Computer
Main Component : Monitor
• A monitor is a computer display that is like a TV monitor. A computer monitor image is made up of pixels (dots). In general, the higher the resolution, the better the image.
CRT LCD Touch screen
Main Component : Keyboard
• The keyboard is the main input device for text and commands. The computer keyboard uses the same key arrangement as typewriters.
PS/2 USB Wireless
Main Component : Mouse
• A mouse is an input device used to controls the movement of the cursor or pointer on a display screen. It has right click, left click, double click and scroll to function.
PS/2 USB Wireless
Main Component : Mouse
Touch pad Tablet pen
Main Component : System Unit
• A system unit is also known as a base unit.
• It is the main body of a desktop computer.
• Containing the motherboard, power supply, cooling fans, internal disk drives, memory modules and expansion cards that are plugged into the motherboard.
Main Component : System Unit
Note book system unit Desktop system unit
Main Component : Speaker
• Speakers give out information in the form of sound. Computer speakers range widely in quality and price.
Variety of computer speaker
Other Computer Components: Printer
• A printer is a device that produces a hard copy (permanent human readable text or graphics) of documents stored in electronic form that prints texts or illustrations on paper.
Dot matrix Ink Jet Laser
Other Computer Components
Microphone
Scanner
Headphone
Web Camera
Data Processing Cycle
ProcessInput Output
Storage
The user enters the data by using an input device
Data is processed by the processor. In the processing operation, data is manipulated to process
or transform it into information
The storage holds data, information and
programs.
The output devices
present the processed data
as usefulinformation
products to the user
Data Processing Cycle
ProcessInput Output
Storage
Conclusion
• Five main components in computer system are monitor, system unit, keyboard, mouse and speaker.
• To enhance the computer functionality other components can be added such as printer, scanner, headphone, microphone, web camera and etc.
• Data is processed in computer system through four operations that is input, process, output and storage.
Thank you for being attentive!!!
Prepared by:ROSIADI BIN TAJUDIN
SMK GADONG BEAUFORT