technical drawing

• Technical drawing instruments


  Instruments used in designing computers and different electronic materials or devices
• Computer system servicing

  • Helps you know more about the computer
  • Gives you knowledge and skills in installation and troubleshooting
• Drawing pencil


  An instrument used for writing and drawing, made up of graphite, lead, wood, and sometimes with an eraser
• Eraser


  An instrument used to erase unnecessary marks, correct wrong drawings, and make your drawing clean
• Protractor


  A semi-circular plastic instrument with prints of measures from 0 to 180 degrees, used to measure angles
• Compass


  A drawing instrument used to draw arcs and circles, with one leg having a pointed needle and the other leg having a pencil
• Set squares


  Two triangular patterns made of plastic, used to make accurate angles and straight or perpendicular lines
• Drawing board


  Traditionally made of wood or timber with a metal frame, used for making drawings or designs, available in A3 and A4 sizes
• 1. square


  Made of wood or plastic, with two parts - the stock and the blade, used to draw vertical and inclined lines at 30 to 60 degrees
• Drafting machine


  Used to combine the function of T-square, protractor, and set squares
• Drawing pins and clips


  Used to fix the drawing sheet on the drawing board
• Electronic template


  Mostly made of flexible plastic, has different symbols and designs that can be traced using a drawing pencil
• Block diagram

  Used for presenting internal components of an integrated circuit, using shapes like squares, rectangles, or triangles to represent components or units
• Pictorial diagram


  Shows the actual pictures of the parts and wiring connection of components or devices
• Schematic diagram


  Shows different graphic symbols in a simple way, with a combination of lines and electrical symbols that illustrate the connections of components or devices
• Wiring diagram


  Used to show a simple wiring connection between the components or devices in a proper way, does not follow any well-defined standard form