PCO - LEC1 - Plan and prepare for task to be undertaken.pptx

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1. PERFORMING COMPUTER OPERATIONS (PCO) Plan and Prepare for Task to be Undertaken Computer System Servicing 11

2. Performing Computer Operations Content Standard The learners demonstrate and understanding of concepts and underlying principles in performing computer operations Performance Standard The learners shall be able to perform computer operations based on a given tasks

3. Occupational Health and Safety Guidelines

4. Objectives Explain safety measures in a workplace Demonstrate safety through understanding of Occupational Health and Safety (OHS) guidelines, Explain the importance of occupational health and safety in a workplace.

5. Plan and Prepare for Task to be Undertaken PLACE See to it that the place for doing the task is conducive to work, well ventilated, clean, and has good lighting. A space provided for freedom to move is important. A place chosen will give you idea on what task is to be done.

6. Plan and Prepare for Task to be Undertaken WASTE DISPOSAL Used wire or wire strips or other things that can’t be used anymore must be disposed in proper storage bin or container.

7. Plan and Prepare for Task to be Undertaken TOOLS/EQUIPMENT Tools and equipment must match with the task to be done. You should be careful enough to choose tools and equipment that are worthy of use. They must be in good condition so that it can be easily utilized without damaging the parts.

8. Plan and Prepare for Task to be Undertaken TOOLS/EQUIPMENT A tool is a handheld device that aids in accomplishing a task. Tools range from a traditional metal cutting part of a machine to an element of a computer program that activates and controls a particular function.

9. Plan and Prepare for Task to be Undertaken Preparing for the task to be undertaken includes proper tool selection. How do you select the best tool for the job? First , know and understand in detail the scope of work to be accomplished, Second , plan for the scope considering the sequence of tasks.

10. Plan and Prepare for Task to be Undertaken Preparing for the task to be undertaken includes proper tool selection. Selecting the best tool for each task requires: training in the proper use of the tools, field experience in their safe use, and following the manufacturer’s guidance and instructions for that specific tool.

11. Plan and Prepare for Task to be Undertaken When obtaining the tool all the associated tooling and consumable parts, as recommended by the manufacturer, must be included. In addition, related consumable parts must also be selected and used according to their manufacturer’s instructions.

12. Plan and Prepare for Task to be Undertaken SAFETY Always prioritize safety. Remember that accident is not an excusable incident. It can be avoided. Always remember the motto “ Safety first”.

13. Plan and Prepare for Task to be Undertaken

14. Plan and Prepare for Task to be Undertaken PROCEDURE/TASK Identify what task to perform before identifying materials and tools to use. The service procedure/task to employ will tell you the corresponding tools and materials needed. Appropriate tools to use with the task will enhance your ability to provide a competitive and efficient service.

15. OCCUPATIONAL HEALTH AND SAFETY POLICY AND PROCEDURE A planned system of working to prevent illness and injury where you work by recognizing and identifying hazards and risks.

16. OCCUPATIONAL SAFETY AND HEALTH POLICY AND PROCEDURE Health and safety procedure is the responsibility of all persons in the computer and technology industries.

17. OCCUPATIONAL SAFETY AND HEALTH POLICY AND PROCEDURE You must identify the hazards where you are working and decide how dangerous they are. Eliminate the hazard or modify the risk that it presents.

18. 1.) Do not work alone so that there’s someone who can take care of you in case of emergency

19. 2.) Always power off the computer and unplug the computer before working on it

20. 3.) Take away any liquid near your working area to avoid getting electrocuted or accidentally damaging computer parts.

21. 4.) Be careful with tools that may cause short circuit.

22. 5.) Always ground or discharge yourself before touching any part of the computer.

23. 6.) Do not use excessive force if things don't quite slip into place.

24. 7.) Clean the area before and after using it to maintain sanitation and prevent accidents.

25. 8.) Hold the components on the edges and do not touch the Integrated Circuit (IC) parts.

26. 9.) Always wear personal protective equipment (PPE) in accordance with the organization's OHS procedures and practices.

27. 10.) Make sure that the pins are properly aligned when connecting a cable connector.

28. 11.) Contingency measures during workplace accidents, fire and other emergencies are recognized.

29. 12.) Use brush, compressed air or blower in cleaning the computer system.

30. SAFETY PRECAUTIONS Do not place any combustible materials near the power outlet. Avoid using power cord with defects such as loose contacts and exposed conductors. Avoid using connecting wires with exposed conductors. Do all the wiring connection inside the computer system with the power off.

31. SAFETY PRECAUTIONS Check the proper connections before turning the circuit power on. Remove any jewelry, which is conductive. Check your measuring instruments for proper voltage, current, resistance setting before making any measurement. Refer to the mother manuals for its proper jumper setting and connection.

32. Common hazards encountered by computer technicians and users A hazard is a situation in the workplace that has the potential to harm the health and safety of people or to damage plant and equipment. The situation could involve a task, chemical or equipment used. Hazard management is a continuous process that can be used to improve the health and safety of all workplaces.

33. Physical Hazards Are factors within the environment that can harm the body without necessarily touching it. Radiation: including ionizing, nonionizing (EMF’s, microwaves, radio waves, etc.) High exposure to sunlight/ultraviolet rays Temperature extremes – hot and cold Constant loud noise

34. Physical Hazards One of the most common physical hazards involving computer technicians are cables running across the floor. REMEMBER : If you need to temporarily run a cable across the floor, place a Danger sign similar to those "wet floor" signs used by cleaning services.

35. Physical Hazards Other common physical hazards include leaving tools on top of ladders and placing electronic equipment in precarious positions or on support that is not sturdy enough or not designed for holding electronic equipment.

36. Mechanical Hazards Mechanical hazard factors include just about anything inorganic that moves or can injure you. These include many tools, machines and (moving) vehicles, high steps or stairs, if they are not secured against falling.

37. Mechanical Hazards You might move your hand past a computer chassis and lose a chunk of flesh because it is razor sharp. When working on electronic equipment always be alert to any possibility of being hurt by moving parts, hot components, or sharp edges.

38. Chemical Hazards Are present when a worker is exposed to any chemical preparation in the workplace in any form (solid, liquid or gas). Some are safer than others, but to some workers who are more sensitive to chemicals, even common solutions can cause illness, skin irritation, or breathing problems.

39. Chemical Hazards Beware of: Liquids like cleaning products, paints, acids, solvents – ESPECIALLY if chemicals are in an unlabeled container! Vapors and fumes that come from welding or exposure to solvents Gases like acetylene, propane, carbon monoxide and helium Flammable materials like gasoline, solvents, and explosive chemicals. Pesticides

40. Electric Shock Hazard An Electrical Hazard can be defined as a serious workplace hazard that exposes workers to burns, electrocution, shock, arc flash / arc blast, fire, or explosions. 

41. Electric Shock Hazard Inside computers and electronic equipment, there is a range of voltages from 3.3 volts to 25 volts, most of these are harmless. But at the power supply, you'll find line voltage, which is a lethal 220 volts.

42. Electric Shock Hazard Most of the time while working inside computers and electronic equipment, you'll want them unplugged from the wall socket. If you need to work on equipment while it is still plugged in or powered up, remove all jewelry and wrist watches.

43. PERFORMING COMPUTER OPERATIONS (PCO) Plan and Prepare for Task to be Undertaken Computer System Servicing 11

44. 4 Pics, One Word.

45. Guidelines 1. The class will form two teams having one representative for each team. 2. The representatives will do a coin flip on who should do the puzzle first. 3. The representative who will go first will be presented with four pictures. No coaching from group members. 4. Each player will guess the word with the four pictures as their clue. 5. The team with the greatest number of words answered will be the winner.

46. D _ _ _ K

47. _ O _ _ T _ _

48. MONITOR

49. K _ _ _ O _ _ D

50. KEYBOARD

51. A _ _ E _ _ R _ T _ _

52. ASPECT RATIO

53. S _ _ T _ _ U _ I _

54. SYSTEM UNIT

55. _ I _ _ D _ _ _ N _ _ I _ _

56. HIGH DEFINITION

57. Computer Components

58. Objectives After the lesson, the students are expected to: 1. Describe what a computer is, Identifies the different computer components, Explains the importance of understanding computer components as a computer systems servicing student.

59. What is a computer? A computer is an electronic hardware device. It operates and functions under the control of instruction in its memory called programs.

60. What is a computer? Computers can receive and accept data. The data is processed using a program set by the user. The computer processes these data and then produces an output that can be used by the user. Processed information is saved in the computer’s storage .

61. Basic Parts of the Computer System Unit contains the main components such as the: Motherboard CPU Internal Storage Hard Disk Drive (HDD) Solid State Drive (SSD) RAM Power Supply Unit (PSU) Video card Optical Disk Drive

62. The keyboard is used to type data into the computer. It is one way of telling the computer what to do. You can type in words or numbers using the keyboard. You can also type in commands and programs. Basic Parts of the Computer

63. A keyboard can be connected to a computer through PS/2 ports or more commonly, a USB port. Basic Parts of the Computer

64. a. 104-key b. 100-key Basic Parts of the Computer

65. c. 87-key d. 84-key Basic Parts of the Computer

66. e. 68-key f. 61-key Basic Parts of the Computer

67. Source: https://www.keychron.com/blogs/news/keyboard-size-layout-buying-guide

68. The monitor allows you to see what your computer is doing. It displays the images processed by the computer. The types of monitors are: Cathode Ray tube Liquid crystal Display Light Emitting Diode Basic Parts of the Computer

69. Measuring a computer monitor A computer monitor is measured diagonally from corner to corner. Most computer monitors range from 19 to 34 inches, average user will be happy with 22-24" screens. Basic Parts of the Computer

70. Aspect Ratio A monitor's aspect ratio describes the relationship between its width and height. This means that for every unit measure of length is a corresponding unit measure of height. Basic Parts of the Computer Standard Widescreen Ultra-widescreen

71. Screen Resolution A screen’s resolution refers to the amount of information that it can display. On a computer screen are tiny squares of light that work together to form an image on the screen, these tiny squares of light are what we call a pixel . Basic Parts of the Computer 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

72. The mouse is another input device that allows you to communicate with your computer. It is also known as the pointing device, which lets you point, click and move objects on the screen. Another device that works like a mouse is a touchpad, which can be found in laptops. Basic Parts of the Computer

73. PS/2 mouse USB mouse Wireless mouse Basic Parts of the Computer

74. The Motherboard is the main board of a computer. It holds together many essential components of a computer such as the CPU, RAM and input/output connectors. Basic Parts of the Computer

75. Northbridge Fast end of the hub, containing the graphics and memory controller connecting to system bus. Basic Parts of the Computer

76. Basic Parts of the Computer Southbridge slower end of the hub, containing the I/O controller hub mouse, keyboard and other external data flows to the CPU using the southbridge

77. Central Processing Unit (CPU) – it performs the basic arithmetic, logical and I/O operations of a computer system. Basic Parts of the Computer

78. Random Access Memory (RAM) – it is a volatile memory . All stored information in RAM is lost when there is no power It is used by the CPU when a computer is running to store information that it needs to be used very quickly Basic Parts of the Computer

79. Internal Storage – is a non-volatile memory hardware device that permanently stores and retrieves data on a computer. - Stores data permanently - Secondary storage of a computer system Basic Parts of the Computer

80. Power Supply Unit The PSU or Power Supply Unit provides electrical energy for the entire system. It converts 110-220V AC to low-voltage DC power for the internal components of a computer Basic Parts of the Computer

81. Optical Disk Drive The Optical Disk Drive is a medium that reads and writes files to a disc using LASER light or Electromagnetic waves. It allows you to use CDs, DVDs and Blue-ray discs to listen to music or watch a movie, create your own CDs or create a backup copy of your important files. Basic Parts of the Computer

82. Video Card – the video card is an expansion card that allows the computer to send graphical information to a video display device such as a monitor, tv or projector. Basic Parts of the Computer

83. Sound card The sound card is an expansion card that allows the computer to send audio information to a device, like speakers and a pair of headphones. Basic Parts of the Computer

84. Network Interface Card (NIC) The NIC is what provides the hardware interface between a computer and a network. LAN Card USB LAN card Wireless LAN card Basic Parts of the Computer

85. Integrated Drive Electronics (IDE) More commonly known as ATA (Advance Technology Development) or Parallel ATA (PATA). It is a standard interface for IBM compatible hard drives and CD or DVD drives. It is used to connect drives directly into the motherboard. Basic Parts of the Computer

86. Serial Advance Technology Attachment (SATA) I t was first released in August 2001 and is a replacement for the PATA interfere used in IBM compatible computers. Basic Parts of the Computer

87. What is a computer?

88. REFLECTIONS In this lesson I learned that ______________________________________________________ I would like to say that _________________ _________________ _________________

89. WEEKLY TASK modes of submission: MS Word Save file as PDF Handwritten Additional Instruction for Handwritten submissions: Make sure to take a clear photo of your work in portrait orientation.

90. WEEK 3 TASKS : SubjECT : Computer Systems servicing 1 LEARNING TASK POSTING DATE DUE DATE MODE OF SUBMISSION Activity 3.1 Monday (Sept. 27) Friday (Oct. 01) Activity 3.2 Monday (Sept. 27) Friday (Oct. 01) Week 3 Assessment Monday (Sept. 27) Friday (Oct. 01) Week 3 Reflection Thursday (Sept. 30) Friday (Oct. 01) Week 3 Personal Assessment Thursday (Sept. 30) Friday (Oct. 01)

91. ACTIVITY 3.1

92. ACTIVITY 3.2

93. Week3 assessment

94. Week 3 Reflection