FINLANDIA SCHOOLHardware is the physical parts of a computer we can see and touch
Software are the programs or instructions(cannot touch) thoughts
MAIN PARTS OF A COMPUTER
1. System Unit: Contains CPU, motherboard, RAM
2. Monitor: Display screen
3. Keyboard: Typing device
4. Mouse: Pointing device
INPUT DEVICES: Hardware used to enter data into comuputer
| Device | Description | Uses |
| Keyboard | Keys in QWERTY layout; alphanumeric, function(F1-F12), arrow keys | Typing documents,entering data, commands |
| Mouse | Pointing device; left/right buttons, scroll wheel | Clic, select, drag, scroll |
| Microphone | Captures sound | Voice recording, video calls, voice commands |
| Webcam | Digital Camera | Video calls, taking photos |
| Scanner | Converts paper to digital | Scan documents, photos |
| Joystick/Game pad | Game controller | Playing video games |
| Touchscreen | Touch sensitive screen | Smartphones, tablets, ATMds |
| Digital camera | Takes photos/videos | Photography, transfer to computer |
| Barcode reader | Reads product barcode | Shops, libraries |
| Biometric devices | Fingerprint/face scanner | Security, attendance |
Mouse Actions
1. Click: Press left once
2. Double click: Press the left twice quickly
3. Right click: Opens menu
4. Drag: Hold and move
Keyboard Types: Wired or Wireless(bluetooth)
OUTPUT DEVICES: Displays/presents information from the computer
| Device | Description | Uses |
| Monitor | Display screen(LCD, LED,OLED) | View documents, videos, games |
| Printer | Prints on paper | Documents, photos, projects |
| Speakers | Output sound | Music, videos, notification |
| Headphones | Personal sound device | Private listening, online classes, gaming |
| Projector | Projects screen unto walls | Presentations, movies |
| Plotter | Large technical drawings |
Architecture, engineering, poster |
Printer Types:
1. Inkjet: sprays ink; cheap, good for color photos, slow
2. Laser: uses toner, fast, good text quality, expensive to buy
3. 3D printer: prints 3D objects layer by layer
INPUT AND OUTPUT DEVICES(BOTH)
1. Touchscreen: