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Description
Flashcards by Callum Gardner, updated more than 1 year ago
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Created by punsisi
over 9 years ago
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Copied by Callum Gardner
over 9 years ago
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| Question | Answer |
| What is the meaning of ICT? | ICT refers to Information Communication Technology |
| What is Data? | Data refers to meaningless, unprocessed facts and figures, which is formed by using a combination of alphabetical and numerical characters. |
| What are the two types of Data? | 1. Quantitative Data 2. Qualitative Data |
| What is Quantitative Data? | Data Which can be measured (deals with Numbers) Ex :- length, height, area, cost, temperature, no.of members, ages, etc. |
| What is Qualitative Data? | Data which cannot be measured but observe(deals with descriptions) Ex:- colors, textures, tastes, beauty, appearance, etc. |
| What is Information? | Information refers to processed data which is converted to meaningful and useful to the user. |
| What is processing? | Converting Data to Information is called Processing. |
| What are some health problems to do with ICT? | Backache Repetitive strain injury (RSI) Eye strain Stress |
| What are some factors that affect stress? | Pace of work Worry about using new tech Frustrating software Losing work, viruses and tech problems |
| What are some ways to prevent back ache? | Using an adjustable ergonomic chair Checking chair adjustment so that it is right sit up straight in chair Line up screen properley |
| What are some ways to prevent RSI? | Adjust chair to correct seating position Make sure there is enough space to work comfortably Use a document holder Use ergonomic keyboards/mice use a wrist rest Keep wrists straight |
| What are some ways to prevent Eye strain? | Keep the screen clean use appropriate lighting and blinds to avoid glare take regular breaks have regular eye tests ensure you are not sitting too near the screen |
| what are some input methods fora computer? | mouse keyboard voice recognition scanning through printers USB connections (cameras etc.) webcams joystick touch pad |
| What are some specialist input devices? | magnetic strip recognition touch screens bar code recognition |
| what are some high speed input devices? | optical mark recgognition (OMR) optical character recognition (OCR) |
| what is optical mark recognition? | a feature machines like optical mark readers have that can read marks on a sheet at very high speed. this is often used to mark multiple choice questions. |
| what is optical character recognition and what is it used for? | optical character recognition is a way of scanning words and letting machines read them to be processed. used in scanners. |
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