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