A K Allison1 Tools for Information Processes Displaying  Hardware  Software  Non-computer tools  Social and Ethical issues.

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Presentation transcript:

A K Allison1 Tools for Information Processes Displaying  Hardware  Software  Non-computer tools  Social and Ethical issues

A K Allison2 Displaying - Hardware  Screens  Interlacing  Resolution  Pixel  Resolution  Dot pitch

A K Allison3 Displaying - Hardware Monitors  Raster scan  Refreshing  Flat screen  Laptops - Liquid Crystal Display (LCD)  Desktops – Cathode Ray Tube(CRT)  Viewing Angles –CRT( %) –LCD Active(90-120%) /Passive(49-100%)

A K Allison4 Displaying - Hardware Printers  Impact –Line –Daisy wheel –Dot matrix  Non-impact –Laser –Inkjet

A K Allison5 Displaying - Hardware Printers  Type Quality –Draft Quality, Near Letter Quality(NLQ), Letter Quality (LQ)  Print Styles –Normal, Boldface, Italics, Underline, Strikeout

A K Allison6 Displaying - Hardware Printers  Printsize –Bitmapped: characters from patterns of dots  Typefaces e.g. Times Roman, Courier,  Type size : 10pts, 12pts,etc.,  Bitmapped stored as file with pre-defined patterns of a font for particular point sizes –Scalable  Generated from basefont as required by mathematical formula to required point size  Truetype and Postscript are scalable

A K Allison7 Displaying - Hardware Printers  Printsize –Bitmapped: characters from patterns of dots  Typefaces e.g. Times Roman, Courier,  Type size : 10pts, 12pts,etc.,  Bitmapped stored as file with pre-defined patterns of a font for particular point sizes –Scalable  Generated from basefont as required by mathematical formula to required point size  Truetype and Postscript are scalable

A K Allison8 Displaying - Hardware Speakers  Voice converted to digital  Voice Synthesis Plotters  Plotter  Pen plotter –Flatbed –Drum  Electrostatic plotter

A K Allison9 Displaying - Hardware Software 1. Reporting 2. Formatting 3. Spacing 4. Mail merge 5. Tables 6. Charts

A K Allison10 Displaying – Non Computer Tools Software 1. Storyboard Sketches and captions 2. Traditional Methods Text and images on paper, billboards,T- shirts, drawings, paintings, photographs Electronic audio information Electronic visual information

A K Allison11  Communication Skills  Current trends  Visually impaired  Offensive material Displaying – Social and ethical issues