Flashcards
Personal digital devices
Flashcards do conjunto (30)
- 1Measurment1 Byte
1 Kilobyte (KB)= 1000 Byte
1 Megabyte (MB)= 1000 Kilobyte
1 Gigabyte (GB)= 1000 Megabyte
1 Terabyte (TB)= 1000 Gigabyte
x 1000 to get the next number
/ 1000 to get the last number - 2Types of flash memorySecure Digital (SD) card- stored yp to 4 GB
Micro SD cards- for smaller devices
SDXC (Extended Capacity)- stores up to 2 TB
USB flash drive or memory stick- plugs into the USB port- Stores up to 256 GB
SDHC (High Capacity) card- Stores up to 32 GB - 3Input devices part 1Mouse- pointing and inputting devices
Keyboard- used to enter text
Game controller- used for gaming
Webcam-used to input visual data-peripheral or inbuilt
Touch screen- input device controlled by a finger or stylus. - 4Input devices part 2Microphone- used to input audio data-peripheral or inbuilt
Joystick- used for gaming- used to control devices, e.e. CCTV cameras, robots.
Graphics tablet- used to input drawings. - 5IScanner- digitises printed documents- Optical Character Recognition (OCR) can turn text into an editable format.
Touch-sensitive jog dial- used for simple actions like skipping a song. - 6Output devices- add to the devices Part 1Speakers- peripheral or inbuilt device allowing you to hear audio output
Docking station- amplifies audio output of small devices- charges device
Headphones- allow just one person hear audio - 7Output devices- add to the devices Part 2Printer- allows you to produce a 'hard copy'
Headset- combines microphones and headphones to input and output audio data
Screen- inbuilt display screens (e.g. laptop, smartphones) or monitor - 8Data cable connection*The most common method of data cable connection is a USB cable.
*Most mobile phones and media players can connect by USB cable to a comuter running the correct software. - 9Bluetooth*It's a technology allowing devices to communicate with each other wirelessly.
*They communicate over a short distances, using radio waves.
*Most mondern devices are Blutooth enabled or a Bluetooth dongle can be attached to a computer as a peripheral.
*Devices can connect to Bluetooth-enabled peripherals, such as printers or speakers. - 10WiFi 10*It's another method of wireless communication using radie waves.
*WiFi enabled devices can communicate over longer distances then Blurtooth can.
*Most modern devices are WiFi enabled.
*WiFi allows devices to connect with a computer network and the internet.
*WiFi allows devices to connect to WiFi enabled peripherals, such as printers, speakers, scanners and digital projectors. - 11Synchronising*When two devices, such as a media player and a computer, are connected they can automatically exchange datd.
*This is know as synchronisation. - 12Multifunctional mobile phones part 1Camera/video camera- take still images/ capture video- Make video calls.
Internet browsing- stream music and videos.
Entertainment- play music and video- play games - 13Multifunctional mobile phones part 2GPS receiver- pinpoint position on a map- get local imformation(e.g. weather)- use as a navigational device.
Productivity- learning, finacial management, entertainment and travel appsboost productivity and save time. - 14Multifunctional mobile phones part 3Data storage- store photos, music and video- removable storage (e.g. micro SD card) allows easy transfer.
- 15Security of phones*Hide the phone- over 50% of thefts occur when phones are left in plain sight in cars.
*Set a pin, password or biometric lock.
*Lock the sim card.
*Record the unique IMEI number- the mobile service provider can block the phone using this number.
* Restrict Blurtooth usade- 'Bluejacking' is where people nearby send anonymous message to users who have left Bluetooth switch on. - 16Computers- health risks*Eye strain
*Repetitve strain injury (RSI)
*Neck and back back problems
*Pain in knees and legs - 17Media players- key features part 1*Small, light and easy to carry and move around with you.
* USe solid state memory so that the songs don't 'skip' when moved.
*Long battery life.
*Can set playlists. - 18Media players- key features part 2*Hold a lot of media (songs, podcasts, audiobooks and videos).
* Can lock to prevent accidental activation.
*Simple interfaces, e.g. jog wheel. - 19Advantages of streaming*Saves time. A user doesn't have to wait to download a file tomplay it. Instead, the mefia is sent in a continuous stream of data and is played as it arrives by the software on the media.
*Uses less storage space. - 20Disadvantages of streaming 20*You can not keep a local copy for viewing what ever you want to watch/listen offline.
*Limited availability for some streamed video (e.g. limtaed time)
*Users experience is dependent on connection quality (e.g. qualiy) - 21Game consoles- health risks* Overuse injuries (can lead to RSI)
*Obesity
*Muscle and joint problems
*Eye strain - 22Digital television part 1*More channels then a normal analogue TV
*High quality pictures and sound.
*Digital radio stations accessible on TV.
*The electronic programme guide (EPG) displays programme information on-screen - 23Digital television part 2*More accessible: Subtitles, audio and sign lanuage descriptions.
*Interactive features r.g. extra coverage, voting and shopping capabilities.
*Greater control: saveing programmes and pauseing live TV. - 24Convergence part 1*It's where digital devices take on functions normally found in other devices.
*GPS and sat nav functions are now offered on a variety of devices: - 25Convergence part 2
- 26Sat navThey are now getting made with:
* Larger screens
* 3D displays
* lane assist with images of the actual junctions.
*Bluetooth links to mobile phones so they can be used for voice calls in the car.
* Eco-rote planning to save pertrol on journeys. - 27Online presence part 1More and more of customers use difital devices, organisation need s storng online presence:
*Website- to showcase goods and services and sell online.
*Blog- to tell customers about developments in more personal way. - 28Online presence part 2*Presence on social networking sites- to monitor comments and engege in discuddions
*Viral marking- to advertise thier sevices though video uploads.
*Profiling- tracking information about customer transactions gathered using cookies. - 29Technology in education part 1*Internet allows better online research
*Interactive whiteboards, digital cameras and devices with GPS enhance the learning experience.
* Specialist software improves learing in certain subjets, e.g. languages - 30Technology in education part 2 30*Online registratio
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- Descrição
- GCSE ICT FlashCards sobre Personal digital devices, criado por Natasha Bryant em 05-05-2016.
- Criado por
- Natasha Bryant
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