Summary
Summary Notes for a Mock Exam
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Notes that were taken to prepare for a Mock Exam.
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DAB – Digital Audio Broadcasting, converts audio broadcasts into digital signals Mainframes – type of high-performance computer that is large, has lots of memory and can
handle transactions.
Mobile devices – 1990 mobile phones start as a piece of tech that is available to the public
o 2 types apps
Native app
The app is written for the specific device and cannot be translated
on to other devices
Web app
The app works on browsers rather than the device, this could make
the app run slower
o Dangers
Increase the risk of cancer
Risk to children’s development
Entertainment systems – multifunctional devices (MFD’s) that can make sound and video
Digital Cameras – can capture two different types of images
o Still
Images that don’t move otherwise known as photos
o Video
Moving images which are made from a series of frames to make a video
Data Capture – known as electronic data capture such as a credit card or finger print
recognition
GPS – Global Positioning System, uses the signals from orbiting satellites to work out the
position of the device.
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