TLE

• Hand tools are operated withan individuals hand and are usually not powered to help assemble or fix hardware and components
• Flat head screw- used to loosen and tighten slotted screw
• Philip screw driver- used to loosen or tighten crosshead screws
• Torx Screw driver


  Used to loosen or tighten screws that have a star-like depression on the top
• Hex Driver


  Also called a nut driver, used to tighten nuts in the same way that a screw driver tightens screws
• Needle-Nose Pliers


  Used to hold small parts
• Wire Cutter


  Used to strip and cut wires
• Tweezers


  Used to manipulate small parts
• Parts Retriever


  Used to retrieve parts from a location that is too small for your hand to fit
• Wire Stripper


  Used to remove the insulation from wire so that it can be twisted to other wires or crimped to connectors to make cable
• Crimper


  Used to attach connectors to wires
• Punch-down Tool


  Used to terminate wire into termination blocks. Some cable connectors must be connected to cables using a punch down tool.
• Cleaning Tools

  • Lint-free cloth - Used to clean different computer without scratching or leaving debris
  • Compressed Air - Used to blow away dust and debris from different computer parts without touching the Components
  • Cable ties - Used to bundle cables neatly inside and outside of a computer
  • Part organizer - Used to hold the screw, jumpers, Fasteners, and other small parts and prevents them from getting mixed
• Diagnostic Tools

  • Multimeter - used to test the integrity of circuits and the quality of electricity in computer components
  • Loopback Adapter - Used to test the functionality of computer ports
• Electro Discharge (ESD) Toble


  Static Energy is easily generated by friction on carpets, tile flowing, clothing, hair, Fabric, etc. Electrostatic Discharge may damage computer components and optent sensitive to ESD.
• To protect computer components from ESD damage

  1. Use anti-static wrist strap

  2. Use anti-static mat
• Anti-static wrist strap


  Used to prevent ESD damage to computer components
• Anti-static Mat


  Used to stand on or place hardware on to prevent static electricity from building up
• Computer


  An electronic device that performs tasks based on instructions given by the user
• Computer system operation


  1. Data entered by user

  2. Computer processes data

  3. Computer produces output
• Computer system


  Composed of hardware and software
• Basic components of a computer

  • Hardware
  • Input devices
  • Processing
• Hardware


  • Tangible or physical part that performs the various tasks of the computer
• Processing


  • Responsible for all primary functions of data management
  • Requires components that support it with data management
• Measuring tools


  • Up to 128 GB
  • T-square
  • Triangle
  • Ruler
  • Triangular scale
  • Protractor
  • Tape or tape ruler
• 1. square is used as a guide in drawing horizontal lines and in measuring up to 48" straight line
• Triangle is used for drawing vertical and oblique lines
• Ruler is usually 6 or 12 inches in length used to measure short distances
• Triangular scale is used in general drawing to reproduce the dimension in full size or to reduce or enlarge them on a drawing
• Protractor is used for measuring and setting of angles other than those obtainable with triangles
• Tape or tape ruler provides an easy means for accurately measuring curved surfaces
• Electrical components


  • Male plug
  • Lamp holder
  • Switches
  • Fuse
  • Circuit breaker
  • Utility box
• Electrical wire/conductor


  Usually stranded and solid
• Tools


  • Screwdrivers
  • Hammer
  • Pliers
  • Wire stripper
  • Portable electric drill
  • Hacksaw
• Electrical testing equipment


  • Multi-volt power supply
  • Multi-tester
  • Electric meter
  • Voltmeter
  • Ohmmeter
• Multi-volt power supply is used to supply the desired direct current voltage
• Multi-tester is used for measuring resistance, voltage, and current
• Electric meter is the device that measures the amount of electric energy consumed
• Voltmeter is used for testing circuit board's components to measure its input and output voltages
• Ohmmeter is used to determine if a circuit is closed or open