Overview of computer
- 1. Overview of the Computer SystemPrepared by Masniza Mustafa
- 2. Overview of the Computer SystemWHAT IS A COMPUTER?The computer system processes data into information through four operations; input, process, storage and output.OUTPUTPROCESSINPUTSTORAGEThe user enters the data by using an input device. 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
- 3. Overview of the Computer SystemmonitorSystem unitSystem unitVspeakerVkeyboardmouseV
- 4. Overview of the Computer SystemMONITORA monitor is a computer display that is like a TV monitor. A computer monitor image is made upof pixels (dots).
- 5. Overview of the Computer SystemKEYBOARDThe keyboard is the main input device for text and commands.
- 6. Overview of the Computer SystemKEYBOARDKeyboards come with three (3) different types of port such as:• Serial port• PS/2 port• USB port.
- 7. Overview of the Computer SystemSPEAKERSSpeakers give out information in the form of sound.
- 8. Overview of the Computer SystemMOUSEA mouse is an input device used to controls the movement of the cursor or pointer on a displayscreen. It has right click, left click and double click to function
- 9. Overview of the Computer SystemSYSTEM UNITIt is the main body of a desktop computerconsisting of a metal or fibre enclosure containing the motherboard, power supply, cooling fans,internal disk drives, memory modules and expansion cardsthat are plugged into the motherboard.
- 10. Overview of the Computer SystemPRINTERA printer is a device that produces a hard copy (permanent human readable text or graphics) ofdocuments stored in electronic form that prints texts or illustrations on paper.
- 11. Overview of the Computer SystemPRINTERThere are many types of computer printers.Dot-Matrix printerInk-Jet printerLaser printer
- 12. EXERCISELabel the pictures below 11 243567
- 13. EXERCISELook at the pictures given in Column A. Then, name the components of thecomputer and state their functions.