1. Computer Technology

2. HardwareSoftware

3.  Hardware ◦ Monitor ◦ Keyboard ◦ Hard disk drive ◦ Mouse ◦ CPU (Central Processing Unit) ◦ Graphic and sound cards ◦ Motherboard and chips

4.  System Software  Helps run the computer system ◦ Operating System ◦ Drivers ◦ Servers Examples: Windows, Linux, Mac OS  Application Software ◦ Useful tasks  Word processing  Spreadsheets  Image Editing Examples: Excel, Photoshop, Acrobat

5.  4 main types of peripheral devices ◦ Input Peripherals ◦ Output Peripherals ◦ Communication Peripherals ◦ Storage Peripherals

6.  Keyboard  Mouse  Graphic tablet  Touchscreen  Barcode reader  Image scanner  Game controllers  Webcam

7.  Monitor  LCD projector  Printer  Speaker  Headphones

8.  Modems  Network adapters  Router  Wi-fi card

9.  External hard drive  Flash drive  Smartphone  CD-ROM  DVD-ROM

10.  Self Check-out Machines  DVD/CD Burners  Touch Screen Monitors

11. 1. Input2.Procesing3. Storage4. Output

12.  Protect the hardware  Prevent theft  Maintain computer  Hardware troubleshooting

13. 1. No dust or pets 2. Use a case for laptops 3. Avoid static electricity 4. Surge protector 5. Backup! Backup! Use: flash drives, online storage, CDs, external hard drives 6. Prevent remote access Use: firewalls, secure wireless access, 7. No file sharing programs 8. Use strong passwords 9. Avoid heat and humidity 10. Turn it off

14.  If unattended, lock the room  Lock it to another surface with a cable lock  Install an anti-theft program  Attach an alarm  Identification mark

15.  Use Disk cleanup ◦ Junk left behind can take up gigabytes of space  Find and destroy spyware and viruses  Uninstall unused programs ◦ The more free space, the faster it will go!  Use Disk management systems

16. 1. Power Cords 2. Outlet Power 3. Communication Connections 4. Device Configuration 5. Windows Recognition 6. Update Drivers 7. Refresh Device Manager 8. Blank Monitor ◦ Power, Video Cable, Brightness/Contrast, Swap Parts, Push in Video Card 9. Troubleshooting

17. Things to consider:Common choices:  Ease of use  Software availability  Collaboration  Multimedia  Studio work  Cost  Windows  Macintosh OS  Linux