Questions and Answers
What is a characteristic of digital signals that enables computers to process them?
What is the main application of digital processing in sound?
What is the primary function of a GPS system?
What is the name of the first electronic programmable digital computer?
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What is the function of ADC and DAC in modern computers?
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What is the purpose of ground stations in a GPS system?
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What is the significance of digital information being in digital form?
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What is common to all integrated circuits in modern computers?
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What is the comparison between modern computers and the first computers?
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What is the primary function of ground stations in a GPS system?
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What is the minimum number of satellites required to determine the exact location of a receiver?
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Which of the following is NOT a benefit of GPS?
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What is a potential privacy issue with GPS?
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Which of the following GPS applications is NOT mentioned in the content?
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What happens if a turn is missed or taken too soon while using a GPS application?
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Why is the GPS chip in a device considered a drawback?
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What is an advantage of using GPS?
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What is a result of having GPS available anywhere?
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Why is GPS considered a distraction while driving?
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Study Notes
Digital Signal Processing
- Digital signals can be processed using techniques such as encryption, compression, multiplexing, and routing.
- Computers can process digital signals because they are made up of numbers.
Digital Information Processing
- Internet applications process digital information to present web pages, games, and more to users.
- Sound processing allows for music creation and mixing.
- Image processing enables painting and editing of photographs.
- Movie editing allows for splicing video and changing music.
Computer Technology Advancements
- The first electronic programmable digital computer was Colossus, built for British Intelligence during World War II.
- Modern computers, including smartphones, are built from integrated circuits that convert analog signals to digital and back.
- Integrated circuits store and process data using microscopic transistors.
GPS Technology
- A GPS (Global Positioning System) consists of over 30 navigation satellites orbiting the Earth.
- GPS receivers, such as those in smartphones, collect signals from satellites to determine location.
- A GPS system has three parts: satellites, ground stations, and receivers.
GPS Applications
- Examples of GPS applications include Apple Maps, Google Maps, MapQuest, Waze, and Android Auto.
Benefits of GPS
- Easy navigation instructions to get from point A to point B
- Most GPS applications are free
- Real-time traffic and weather alerts
- Available anywhere
- Flexible rerouting options
Drawbacks of GPS
- GPS chips consume more power, draining device batteries within 8-12 hours
- GPS can be a distraction while driving
- Privacy issues arise from location tracking, allowing commercial organizations to gather data and target individuals for advertisements
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Description
This quiz covers the processing of digital signals, including encryption, compression, and multiplexing, as well as applications such as internet apps, sound processing, and image processing.
