1. Inside a Computer

2. Computer Hardware/Software What is the difference? Computer Hardware

3. Computer Hardware/Software Computer Software

4. Computer Hardware There are two categories of Hardware – Internal: The components of the computer system contained inside the computer case – External (Peripheral Devices): Those components that are attached to the computer through cables or wireless technology

5. Inside a Computer

8. Inside A Computer

9. 1: Drive Bays (For CD/DVD, USB Drives) 2: Hard Drive Bays – Hard Drives are located inside. More than one hard drive is possible 3. System Board 4. Expansion Card Slots – Add Sound, Monitor, Modem cards 5. Padlock Ring – Keeps the case of the computer locked

10. Inside A Computer 6. I/O Panel Connectors – Where you plug in your keyboard, mouse, internet, USB, monitor, microphone, etc 7. Security Cable Slot 8. AC Power Receptacle – To connect the power cord 9. Power Supply – Provides power to the computer 10. Drive Interface Cable – Connect the drive to the motherboard for processing

11. Inside A Computer What is a CPU (Central Processing Unit)? – The main computer chip that processes instruction, calculates data, manages the flow of information – Think of the CPU as the brain of the computer

12. Inside A Computer How A CPU Works – Every time you input data into your computer, the CPU processes those instructions using 4 Tasks: Fetch Decode Execute Store

13. Inside A Computer What is a Motherboard?

14. Inside A Computer What is a Motherboard? – It is the main circuit board which holds many of the critical components as well as providing connectors for devices – All components inside the computer are attached to the Motherboard – It is the heart of the computer

15. Inside A Computer What is RAM?

16. Inside A Computer What is RAM? – RAM Stands for Random Access Memory Ram is temporary memory that stores information for the length of time a computer is left on or a program is left running If the computer or program crashes, any information in RAM is lost unless you have saved it

17. Computer Storage What do we use to save our files?

18. Class Work Answer Questions 1-6 on page 38 Read page 30-37