INTRODUCTION COMPUTER SYSTEM SERVICING NC II.pptx

Introduction to Computers: A Beginner's Guide" offers an accessible and comprehensive introduction to the world of computing for those who are new to the field. This book serves as an essential primer for understanding the fundamental concepts, terminology, and applications of computer technology in today's digital age.

Covering topics ranging from the basics of hardware components to the intricacies of software systems, this book provides a solid foundation for readers to build upon as they delve deeper into the realm of computing. Through clear explanations, practical examples, and hands-on activities, readers will gain a thorough understanding of essential concepts such as:

The history and evolution of computers
Hardware components and their functions
Operating systems and software applications
Networking and the internet
Data storage and management
Computer security and privacy
Whether you're a student exploring computer science for the first time, a professional transitioning to a tech-related field, or simply someone curious about how computers work, "Introduction to Computers: A Beginner's Guide" equips you with the knowledge and skills needed to navigate the digital landscape with confidence. With its user-friendly approach and emphasis on real-world relevance, this book is an invaluable resource for anyone seeking to harness the power of computing in their personal or professional endeavors.

1. Senior high school Joint delivery voucher program Jerome I. Surio COMPUTER SYSTEM SERVICING NC II CSS NC II Trainor

2. The COMPUTER SYSTEMS SERVICING NC II Qualification consists of competencies that must possess to enable to install and configure computers systems, set-up computer networks and servers and to maintain and repair computer systems and networks. What is CSS?

3. BASIC COMPETENCIES COMMON COMPETENCIES CORE COMPETENCIES The units of competency comprising this qualification include the following:

4. Participate in workplace communication Work in a team environment Practice career professionalism Practice occupational health and safety procedures BASIC COMPETENCIES

5. Apply quality standards Perform computer operations Perform mensuration and calculation Prepare and interpret technical drawing Use hand tools Terminate and connect electrical wiring and electronic circuits Test electronic components COMMON COMPETENCIES

6. Install and configure computer systems Set-up Computer Networks Set-up Computer Servers Maintain and Repair Computer Systems and Networks CORE COMPETENCIES

7. Assemble computer hardware Prepare installer Install operating system and drivers for peripherals/ devices Install application software Conduct testing and documentation 7 INSTALL AND CONFIGURE COMPUTER SYSTEMS

8. Install network cables Set network configuration Set router/Wi-Fi/ wireless access point/repeater configuration Inspect and test the configured computer networks 8 SET-UP COMPUTER NETWORKS

9. Set-up user access Configure network services Perform testing, documentation and pre- deployment procedures 9 SET-UP COMPUTER SERVERS

10. Plan and prepare for maintenance and repair Maintain computer systems and networks Diagnose faults of computer systems and networks Rectify/correct defects in computer systems and networks Inspect and test the computer systems and networks 10 MAINTAIN AND REPAIR COMPUTER SYSTEMS AND NETWORKS

11. By: Sir Lloyd Arnold Catabona

12. You must identify the hazard where you are working and decide how dangerous they are. Eliminate the hazard or modify the risk that it presents. 12 Occupational health and safety procedure

13. Do not work alone so that there’s someone who can take care of you in case of emergency. 13 Occupational health and safety procedure

14. 2. Always power off the computer and unplug the computer before working on it. 14 Occupational health and safety procedure

15. 3. Take away any liquid near your working area to avoid getting electrocuted or accidentally damaging computer parts. 15 Occupational health and safety procedure

16. 4. Be careful with tools that may cause short circuit. 16 Occupational health and safety procedure

17. 5. Always discharge your self before touching any part of the computer. 17 Occupational health and safety procedure

18. 6. Clean the area before and after using it to maintain sanitation and prevent accidents. 18 Occupational health and safety procedure

19. 7. Do not use excessive force if things don’t quite slip into place. 19 Occupational health and safety procedure

20. 8. Hold the components to the on the edges and do not touch the integrated circuit (IC) parts. 20 Occupational health and safety procedure

21. 9. Always wear personal protective equipment (PPE) in accordance with the organization’s OHS procedures and practices. 21 Occupational health and safety procedure

22. 10. Use brush, compressed air or blower in cleaning the system unit. Occupational health and safety procedure

23. SET UP COMPUTER NETWORKS Jerome I. Surio COMPUTER SYSTEM SERVICING NC II CSS NC II Trainor

24. What is NETWORKING? Networking is referred as connecting computers electronically for the purpose of sharing information. Resources such as files, applications, printers and software are common information shared in a networking.

25. The most common types of network devices are: Repeater Network Hub Switch Modem Access Point Router

26. TWO types of Ethernet cables Straight-through Crossover

27. TWO types of Ethernet cables Straight-through Crossover

28. What Is Straight Through Cable? A straight through cable is a type of twisted pair cable that is used in local area networks to connect a computer to a network hub such as a router. Straight through cable use one wiring standard: both ends use T568A wiring standard or both ends use T568B wiring standard. The following figure shows a straight through cable of which both ends are wired as the T568B standard.

29. What Is CROSSOVER Cable? A crossover Ethernet cable is a type of Ethernet cable used to connect computing devices together directly. Unlike straight through cable, the RJ45 crossover cable uses two different wiring standards: one end uses the T568A wiring standard, and the other end uses the T568B wiring standard.

30. What Is CROSSOVER Cable? Use straight through Ethernet cable for the following cabling: Switch to router Switch to PC or server Hub to PC or server Use crossover cables for the following cabling: Switch to switch Switch to hub Hub to hub Router to router Router Ethernet port to PC NIC PC to PC

31. T-568a and T-568b Color coding arrangement

32. T568b

33. T-568A and T-568B