What is the second form of data? Following on from the previous question.
Analogue data
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What is the difference between digital and analogue data?
Digital data uses 1's and 0's while analogue data uses sound waves
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Name the 4 categories for digital devices
Multifunctional devices, Personal computers, Entertainment systems and Servers
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What is a personal computer?
They are devices which often have built a in keyboard, mouse, battery and screen.
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What are servers?
Powerful computers that provide services to other computers connected to the network e.g a mail server
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What are the 4 main types of digital devices?
Digital cameras, Navigation systems, Communication devices and systems, Data capture and collection systems.
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What are digital cameras?
They capture images and videos using an image sensor. Data is stored as digital data on a memory card or other forms of storage.
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What does GPS stand for?
Global positioning system
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What are navigation systems?
They use GPS receivers which locates the users position and provides the relevant route through a digital map.
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What are communication devices and systems?
They send and receive analogue and digital data to/from another device.
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What are data capture and collection systems?
They collect and input data through automated systems.
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Give some examples of data capture and collection systems.
Barcode scanner, Optical mark-reader, EPOS (electronic point of sale)
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How can digital devices be used? (6 answers)
Education and training, Creative, Organisational use, Retail, Social.
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What does AIO mean?
All In One device, one device which can perform multiple functions. e.g a AIO printer, (can print, photocopy and tax).
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What does MFD stand for?
Multi-functional device. A device which performs multiple functions at once.
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What is a standalone computer?
A computer which is not reliant on any other digital device or computer in order to function and can be used independently.
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What is a mainframe computer?
Used for processing large amounts of data which standalone computers are incapable of.
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Who are mainframe computers often used by?
Large companies such as eBay and Amazon.
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Whats the difference between a server and a mainframe computer?
A server is a powerful computer which provides services to a network such as network applications and storage.
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How can servers network together?
Through either ethernet or wireless connection.
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What type of functions can servers do?
Provide network services, manage logical access to resources, stores data centrally on the server which frees up internal space on PC's, allow shared access to devices such as printers, authenticates users and performs account management,
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Name some examples of communication devices and systems.
Satellites, computer modem, smartphone, bluetooth devices.
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What are the different methods of communication and transmitting data?
WIFI, FTTC, FTTP, 4G/LTE, Bluetooth
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What does WIFI do?
Connects devices wirelessly using high frequency radio waves
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Whats the abbreviation for fibre optic broadband?
FTTC
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What is 4G connection?
High speed mobile connections, up to 50mb/s, connection on the go.
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What can bluetooth be used for?
To connect wireless devices such as keyboards, headphones and mice.
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What does CNC stand for?
Computer Numerically Controlled machines, automated using software programs to carry out precision production of parts used in manufacturing and construction.
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What are hardware devices?
Devices which you can physically touch, e.g mouse, external hard drive.
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What is software?
Applications or programs which are embedded onto a device and enable us to carry out certain functions.
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What is an input device?
A device which allows you to input data into a device. e.g keyboard
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What is an output device?
A device which transmits data from one device to another or so someone can view it. e.g monitor, speaker.
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What is a storage device?
Something which can be used to store data on, internally or externally from a device. e.g external hard drive.
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What is a communication device?
A device capable of transmitting an analog or digital signal over a telephone, communication wire or wirelessly.
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Other cards in this set
Card 2
Front
What is the second form of data? Following on from the previous question.
Back
Analogue data
Card 3
Front
What is the difference between digital and analogue data?
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