1. Module 1 Chapter 1

2. UNIT 2 – Hardware Basics  LESSON 1 – Basic Parts of A Computer  LESSON 2 – Buttons and Ports on A Computer  LESSON 3 – Inside A Computer  LESSON 4 – Laptop Computers  LESSON 5 – Mobile Devices Module 1 Chapter 1

3. UNIT 2 – Hardware Basics LESSON 1 – Basic Parts of A Computer  Computer Case  Monitor  Mouse  Keyboard  Power Cord Module 1 Chapter 1

4. UNIT 2 – Hardware Basics LESSON 1 – Basic Parts of A Computer COMPUTER CASE:  The metal and plastic box;  Contains the main components of the computer, including the;  Motherboard,  CPU/Processor, and  Power supply.  The case is either the Desktop or Tower type. Module 1 Chapter 1

5. UNIT 2 – Hardware Basics LESSON 1 – Basic Parts of A Computer COMPUTER CASE: Module 1 Chapter 1

6. UNIT 2 – Hardware Basics LESSON 1 – Basic Parts of A Computer MONITOR:  An output devise that displays images and texts on the screen;  Works with a video card inside the computer case.  Contains control buttons and built-in speakers. Module 1 Chapter 1

7. UNIT 2 – Hardware Basics LESSON 1 – Basic Parts of A Computer KEYBOARD:  An input device that helps communicate with the computer;  QWERTY (English) or AZERTY (French).  Each key or groups of keys has different functions Module 1 Chapter 1

8. UNIT 2 – Hardware Basics LESSON 1 – Basic Parts of A Computer KEYBOARD: Module 1 Chapter 1

9. UNIT 2 – Hardware Basics LESSON 1 – Basic Parts of A Computer MOUSE:  Also called pointing device, is an input device that helps communicate with the computer;  Two types of mice exist;  Optical ( uses electronic eye to detect movement )  Mechanical ( uses a rolling ball to detect movement ) Module 1 Chapter 1

10. UNIT 2 – Hardware Basics LESSON 1 – Basic Parts of A Computer MOUSE ALTERNATIVES:  Other devices that serve as a mouse;  Trackball  Touchpad Module 1 Chapter 1

11. UNIT 2 – Hardware Basics LESSON 1 – Basic Parts of A Computer MOUSE ALTERNATIVES: Module 1 Chapter 1

12. UNIT 2 – Hardware Basics LESSON 1 – Basic Parts of A Computer LECTURE END NOTE: Module 1 Chapter 1

13. Module 1 Chapter 1 Presentation Done By END OF LESSON ONE Founder/Tutor @ OLINFO

14. UNIT 2 – Hardware Basics LESSON 2 – Buttons and Ports On A Computer  The Front of A Computer Case  The Back of A Computer Case  Peripherals Used On Computers Module 1 Chapter 1

15. UNIT 2 – Hardware Basics LESSON 2 – Buttons and Ports On A Computer THE FRONT OF A COMPUTER CASE:  Power button  USB (Universal serial bus) ports  Audio in/out ports Module 1 Chapter 1

16. UNIT 2 – Hardware Basics LESSON 2 – Buttons and Ports On A Computer THE BACK OF A COMPUTER CASE:  Connection ports  Some are color coded, e.g;  Purple PS/2: Keyboard  Green PS/2: Mouse  Expansion slots  Monitor port (VGA)  Serial port (was used for digital cameras before USB) Module 1 Chapter 1

17. UNIT 2 – Hardware Basics LESSON 2 – Buttons and Ports On A Computer PERIPHERALS USED ON COMPUTERS:  Printers  Scanners  Speakers/Headphones  Microphones  Web cameras  Game controllers/Joysticks Module 1 Chapter 1

18. UNIT 2 – Hardware Basics LESSON 2 – Buttons and Ports On A Computer PERIPHERALS USED ON COMPUTERS:  Digital cameras  Mobile phones  MP3 players  Tablet computers, and lot more….. Module 1 Chapter 1

19. UNIT 2 – Hardware Basics LESSON 2 – Buttons and Ports On A Computer LESSON LECTURE END NOTE: Module 1 Chapter 1

20. Module 1 Chapter 1 Presentation Done By END OF LESSON TWO Founder/Tutor @ OLINFO

21. UNIT 2 – Hardware Basics LESSON 3 – Inside A Computer  Motherboard  CPU/Processor  RAM  Hard Drive  Power Supply Unit  Expansion Slots  Video card, Sound card, Network card, Bluetooth card (or adapter). Module 1 Chapter 1

22. UNIT 2 – Hardware Basics LESSON 3 – Inside A Computer MOTHERBOARD  Main circuit board Module 1 Chapter 1

23. UNIT 2 – Hardware Basics LESSON 3 – Inside A Computer CPU/PROCESSOR  A two-inch ceramic square with a silicon chip located inside.  Found in the motherboard's CPU socket, which is covered by the heat sink.  The computer’s brain that carries out instructions Module 1 Chapter 1

24. UNIT 2 – Hardware Basics LESSON 3 – Inside A Computer CPU/PROCESSOR  The speed is measured in;  Megahertz (MHz): Millions of instructions/second  Gigahertz (GHz): Billions of instructions/second Module 1 Chapter 1

25. UNIT 2 – Hardware Basics LESSON 3 – Inside A Computer RAM (Random Access Memory)  System’s short-term memory  Measured in Megahertz (MHz) or Gigahertz (GHz)  Higher RAM capacity handle several tasks at the same time faster than lower capacity RAMs.  More RAMs can always be added to the free slots Module 1 Chapter 1

26. UNIT 2 – Hardware Basics LESSON 3 – Inside A Computer RAM (Random Access Memory) Module 1 Chapter 1

27. UNIT 2 – Hardware Basics LESSON 3 – Inside A Computer HARD DRIVES:  Long term storage for software, documents, files, etc… Module 1 Chapter 1

28. UNIT 2 – Hardware Basics LESSON 3 – Inside A Computer POWER SUPPLY UNIT: Module 1 Chapter 1

29. UNIT 2 – Hardware Basics LESSON 3 – Inside A Computer POWER SUPPLY UNIT: Module 1 Chapter 1 Caution: If you decide to open the computer case and take a look, make sure to unplug the computer first. Before touching the inside of the computer, you should touch a grounded metal object—or a metal part of the computer casing—to discharge any static buildup. Static electricity can be transmitted through the computer circuits, which can seriously damage your machine.

30. UNIT 2 – Hardware Basics LESSON 3 – Inside A Computer EXPANSION SLOTS:  Known as PCI–Peripheral Component Interconnect)  Found on the Motherboard, and used to add various types of EXPANSION CARDS  Video card  Sound card  Network card  Bluetooth card/adapter Module 1 Chapter 1

31. UNIT 2 – Hardware Basics LESSON 3 – Inside A Computer VIDEO CARD:  Responsible for what you see on the monitor.  Comes incorporated in the motherboard as GPU (Graphics Processing Unit).  To play graphics-intensive games, you can add a faster video card to one of the expansion slots to get better performance. Module 1 Chapter 1

32. UNIT 2 – Hardware Basics LESSON 3 – Inside A Computer VIDEO CARD: Module 1 Chapter 1

33. UNIT 2 – Hardware Basics LESSON 3 – Inside A Computer SOUND/AUDIO CARD:  Responsible for the sound in the speakers.  Comes incorporated in the motherboard, but you can upgrade to a dedicated sound card for higher-quality sound. Module 1 Chapter 1

34. UNIT 2 – Hardware Basics LESSON 3 – Inside A Computer SOUND/AUDIO CARD: Module 1 Chapter 1

35. UNIT 2 – Hardware Basics LESSON 3 – Inside A Computer NETWORK CARD:  For internet access and communication over a network.  Can connect via the Ethernet cable OR Wi-Fi (wireless network connection).  Comes incorporated, but more can be added. Module 1 Chapter 1

36. UNIT 2 – Hardware Basics LESSON 3 – Inside A Computer NETWORK CARD: Module 1 Chapter 1

37. UNIT 2 – Hardware Basics LESSON 3 – Inside A Computer BLUETOOTH CARD/ADAPTER:  A short distance wireless communication technology.  Used to communicate with;  Wireless keyboards  Mice, and Printers.  Comes incorporated in the motherboard or included in a Network Card.  USB Bluetooth Adapter (Dongle) can always be added. Module 1 Chapter 1

38. UNIT 2 – Hardware Basics LESSON 3 – Inside A Computer BLUETOOTH CARD/ADAPTER: Module 1 Chapter 1

39. UNIT 2 – Hardware Basics LESSON 3 – Inside A Computer BLUETOOTH CARD/ADAPTER: Module 1 Chapter 1

40. UNIT 2 – Hardware Basics LESSON 3 – Inside A Computer LECTURE END NOTE: Module 1 Chapter 1

41. Module 1 Chapter 1 Presentation Done By END OF LESSON THREE Founder/Tutor @ OLINFO

42. UNIT 2 – Hardware Basics LESSON 4 – Laptop Computers  What Is A Laptop Computer?  How A Laptop Computer Differs From A Desktop Module 1 Chapter 1

43. UNIT 2 – Hardware Basics LESSON 4 – Laptop Computers WHAT IS A LAPTOP COMPUTER?  A personal computer, more portable than desktop.  Run the same software and open the same file types as desktop computers.  More expensive than desktop computers. Module 1 Chapter 1

44. UNIT 2 – Hardware Basics LESSON 4 – Laptop Computers WHAT IS A LAPTOP COMPUTER? Module 1 Chapter 1

45. UNIT 2 – Hardware Basics LESSON 4 – Laptop Computers HOW LAPTOPS DIFFER FROM DESKTOP COMPUTERS  Designed for portability  Built-in monitor, keyboard, touchpad, speakers.  Easily setup with few cables.  Has an AC Adapter  Built-in battery  More expensive Module 1 Chapter 1

46. UNIT 2 – Hardware Basics LESSON 4 – Laptop Computers HOW LAPTOPS DIFFER FROM DESKTOP COMPUTERS  Has an AC Adapter; Module 1 Chapter 1

47. UNIT 2 – Hardware Basics LESSON 4 – Laptop Computers HOW LAPTOPS DIFFER FROM DESKTOP COMPUTERS  Built-in battery Module 1 Chapter 1

48. UNIT 2 – Hardware Basics LESSON 4 – Laptop Computers LECTURE END NOTE: Module 1 Chapter 1

49. Module 1 Chapter 1 Presentation Done By END OF LESSON FOUR Founder/Tutor @ OLINFO

50. UNIT 2 – Hardware Basics LESSON 5 – Mobile Devices  What Is A Mobile Device?  Tablet Computers  E-Readers  Smartphones Module 1 Chapter 1

51. UNIT 2 – Hardware Basics LESSON 5 – Mobile Devices WHAT IS A MOBILE DEVICE?  Handheld devices designed to be extremely portable.  Most are powerful enough to do the same things like desktops and laptops. For example;  Tablets  E-Readers  Smartphones Module 1 Chapter 1

52. UNIT 2 – Hardware Basics LESSON 5 – Mobile Devices WHAT IS A MOBILE DEVICE?

53. UNIT 2 – Hardware Basics LESSON 5 – Mobile Devices WHAT IS A MOBILE DEVICE? TABLET COMPUTERS  No physical keyboard or Touchpad.  Entire screen is touch-sensitive.  You type using a virtual keyboard and use your finger as a mouse pointer.  A traditional computer remains less convenient, though still manage most programs than tablets. Module 1 Chapter 1

54. UNIT 2 – Hardware Basics LESSON 5 – Mobile Devices WHAT IS A MOBILE DEVICE? E-READERS (E-BOOK READER)  Very similar to tablets.  Specially designed to read e-books (digital, downloadable books).  Examples include;  Amazon Kindle,Barnes & Noble Nook, and Kobo. Module 1 Chapter 1

55. UNIT 2 – Hardware Basics LESSON 5 – Mobile Devices WHAT IS A MOBILE DEVICE? E-READERS (E-BOOK READER) Module 1 Chapter 1 Note: You don't need an e-reader to read e-books. They can also be read on tablets, smartphones, laptops, and desktops..

56. UNIT 2 – Hardware Basics LESSON 5 – Mobile Devices WHAT IS A MOBILE DEVICE? SMARTPHONES  A more powerful version of a traditional cell phone with the same basic features (phone calls, voicemail, text messaging).  Connects to the Internet over Wi-Fi or a cellular network.  Can be used to browse the web, check emails, shop online, etc.. just like with a desktop or laptop. Module 1 Chapter 1

57. UNIT 2 – Hardware Basics LESSON 5 – Mobile Devices WHAT IS A MOBILE DEVICE? SMARTPHONES  Use high-quality digital camera and has the ability to play digital music and video files. Module 1 Chapter 1

58. UNIT 2 – Hardware Basics LESSON 5 – Mobile Devices UNIT LECTURE END NOTE:  This lesson marks the end of Unit 2.  Prepare to take your end of unit CE.  15 MCQs for 30 Minutes  Send any questions through;  The Youtube comment box below  E-mail at TutorsOlinfo@gmail.comTutorsOlinfo@gmail.com Module 1 Chapter 1

59. Module 1 Chapter 1 Presentation Done By END OF UNIT TWO Founder/Tutor @ OLINFO END OF LESSON FIVE