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Computer Literacy

Computer Literacy. Input Devices. Computer Literacy. Keyboard. Mouse. Touch. COMPUTER. Pen-based. Scanners. Voice. Computer Literacy. Keyboard. Mouse. Touch. COMPUTER. Pen-based. Scanners. Voice. Computer Literacy. Pressure Sensitive.

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Computer Literacy

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  1. Computer Literacy Input Devices

  2. Computer Literacy Keyboard Mouse Touch COMPUTER Pen-based Scanners Voice

  3. Computer Literacy Keyboard Mouse Touch COMPUTER Pen-based Scanners Voice

  4. Computer Literacy Pressure Sensitive Touch pads use a pressure-sensitive membrane that has a built-in grid of sensing wires.

  5. Computer Literacy Infrared LEDs Infrared Photo detectors One way of implementing touch screen technology is by criss-crossing the screen with invisible beams of infrared light. When your finger nears the screen, it interrupts the beams of light and the coordinate is determined.

  6. Computer Literacy Keyboard Mouse Touch COMPUTER Pen-based Scanners Voice

  7. Computer Literacy

  8. Computer Literacy

  9. Computer Literacy Keyboard Mouse Touch COMPUTER Pen-based Scanners Voice

  10. Scanners Computer Literacy Mark sense OCR MICR UPC Graphics/Text

  11. Scanners Computer Literacy Mark sense OCR MICR UPC Graphics/Text

  12. Scanners Computer Literacy Mark sense OCR MICR UPC Graphics/Text

  13. Computer Literacy OCR Most OCR devices store character patterns in ROM. Characters that are read are compared with the character patterns stored in memory and are matched on the basis of the lightness and darkness.

  14. Computer Literacy FONTS

  15. Computer Literacy Font Characteristics • Orientation - Portrait or landscape • Spacing - Proportional or fixed • Pitch - Characters per horizontal inch • Point size - Character height • Style - Upright or italic • Stroke weight - Medium or bold • Typeface - Courier, Times Roman, Helvetica, etc.

  16. Computer Literacy Orientation Portrait Landscape

  17. Computer Literacy Spacing W I FIXED W I PROPORTIONAL

  18. Computer Literacy Pitch Number of Characters per horizontal inch Thispitch is 10 characters/inch Thispitchis 12 characters/inch This pitch is 16.67 characters/inch

  19. Computer Literacy Point Size (1 pt = 1/72 inch) Times Roman 2 pt Times Roman 6 pt Times Roman 12 pt Times Roman 24 pt Times Roman 36 pt Times Roman 72 pt

  20. Computer Literacy Style UPRIGHT UPRIGHT ITALIC ITALIC

  21. Computer Literacy Stroke Weight MEDIUM MEDIUM BOLD BOLD BOLD

  22. Computer Literacy Type Face Times Roman Helvetica Trafalgar Algerian Wide Latin Script

  23. Aa Bb Cc ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqurstuvwxy Aa Bb Cc ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqurstuvwxy Computer Literacy Serifs UP!!! Times Roman The World’s Most Readable Serif Typeface Helvetica The International Sans Serif Typeface

  24. Scanners Computer Literacy Mark sense OCR MICR UPC Graphics/Text

  25. Computer Literacy MICR Process Control Number Amount Check Routing Symbol ABA Transit Number Account Number

  26. Scanners Computer Literacy Mark sense OCR MICR UPC Graphics/Text

  27. Computer Literacy Start / End Markers UPC 4 8 0 0 1 2 6 5 6 8 Manufacturer ID# Product ID#

  28. Scanners Computer Literacy Mark sense OCR MICR UPC Graphics/Text

  29. Computer Literacy

  30. Computer Literacy Keyboard Mouse Touch COMPUTER Pen-based Scanners Voice

  31. Computer Literacy 1010010101 Voice Recognition “COPY” input to computer system analog to digital converter pattern matching Microphone template library 1010010100 1010010101

  32. Computer Literacy Voice Control Software

  33. Computer Literacy Voice Dictation Software

  34. Computer Literacy Keyboard Mouse Touch COMPUTER Pen-based Scanners + “others” Voice

  35. Light Pen Digitizer Tablet Digital Cameras Computer Literacy • Magnetic Stripes & Smart Cards • ATM’s • POS’s

  36. Computer Literacy This section is finished

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