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Flashcards

GCSE ICT Edexcel Flashcards

Sarah Bramley-Dymond ICT GCSE English 3.8Average rating 3.8 out of 5 (8 ratings) 96 cards

Cards in this deck (96)

  1. 1Smart PhoneA phone offering advanced features, e.g. ability to send emails, surf the internet
  2. 2MultifunctionalHaving the ability to do many different things using the same device
  3. 3SD & SDHC cards (Secure Digital & Secure Digital High Capacity)One type of flash memory card which store data - SD up to 2GB SDHC up to 32GB (ideal for video)
  4. 4File FormatThe particular code that a file is stored in. Different software and devices use different formats, which can cause problems if a device cannot decode the information.
  5. 5CompatibleThe ability of a device to communicate and share information with another device.
  6. 6BluetoothAllows the exchange of data over short distances from fixed and mobile devices. In order for devices to communicate they must be able to understand Bluetooth rules (protocols)
  7. 7Wi-FiWireless fidelity. It is similar to Bluetooth in that it is used to exchange data, but the signals can travel further distances.
  8. 8Global Positioning System (GPS)Navigational system used in many devices which give current location, directions to and from specified location, distance to location by using satellite signals.
  9. 9Assisted Global Positioning System (AGPS)A technology that has been built into mobile phones. When signal between mobile and satellites is weak (as in the case as urban areas) the signal sent by the mobile phone is diverted to mobile masts which identify the phones exact location which allows the user to continue using GPS
  10. 10User InterfaceThe way in which a user interacts with a system such as a computer or mobile phone e.g. keypad, screens, menu and icons
  11. 11Repetitive Strain Injury (RSI)damage caused to the muscles, tendons, ligaments, nerves or joints, usually because of repeating the same action
  12. 12EtiquetteA set of rules that people try to abide by out of respect for other people around them
  13. 13Public DomainMaterials that are available for anyone to use for any purpose (not subject to laws of copyright)
  14. 14Future ProofingAnticipating future developments when you buy something in the hope that it will not go out of date quickly. Future proofing can be expensive, as buying something top of the range will cost more than if you wait a short while
  15. 15Real TimeThe actual time during which something takes place, without noticeable delays.
  16. 16EmoticonThe use of icons or text to portray mood or facial expressions e.g. =) is happy =( is sad
  17. 17Voice Over Internet Protocol (VoIP)The technology is used to make phone calls via the internet, usually at a cheaper cost
  18. 183G3rd generation wireless communication allows high-speed wireless data transfer
  19. 19LatencyThe time delay between the moment something is initiated and the moment it becomes detectable
  20. 20Internet Service Provider (ISP)A company that provides Internet access to its customers
  21. 21Social networking sitean online community where people can communicate and share information
  22. 22LinkAllows users to navigate around a product. By clicking a link, the user can 'jump' to a new screen
  23. 23BlogShort for 'web log', a shared online journal where people can post diary entries about their personal experiences and hobbies.
  24. 24BrowserA software application for retrieving, presenting and navigating information resources on the World Wide Web
  25. 25SpamUnwanted or junk email sent to lots of recipients at the same time
  26. 26ProtocolA set of rules used by computers to communicate with each other across a network. Without these computers would not be able to communicate effectively
  27. 27Personal LearningLearning that is tailored towards the individual to allow them to make progress
  28. 28CollaborativelyWorking together with other people
  29. 29Information overloadHaving so much information available that the user feels overwhelmed and is unable to take any of it in, possibly leading to stress.
  30. 30PlagiarismCopying someone else's work and presenting it as your own
  31. 31VirusA program designed to cause other programs on a computer to malfunction or stop working altogether
  32. 32FraudTricking someone for personal gain or to damage them
  33. 33Peer-to-peer (P2P)Sharing files among groups of people who are logged on to a file-sharing network
  34. 34HackerSomeone who gains unauthorised access to a computer in order to obtain data stored on it
  35. 35Identity theftA crime that involved someone pretending to be another person in order to steal money or obtain other benefits.
  36. 36E-commerceBuying and selling goods electronically, usually over the internet
  37. 37GlobalisationThe increasing integration of economies and societies around the world, particularly through international trade.
  38. 38HardwareThe physical parts of a computer system e.g. CPU, RAM, CD Drive.
  39. 39MicrochipA miniature electronic circuit used to control computers and most other electronic devices
  40. 40BiometricsAn automated method of recognising a person based on physical characteristics. Among the features measured are face, fingerprints, hand geometry, iris and voice
  41. 41NetbookA small portable laptop computer designed for wireless communication and access to the internet
  42. 42Universal Serial Bus (USB)A standard method of connecting devices such as keyboard and printers to computers
  43. 43Flash memory cardUsed for fast and easily transferable information storage in digital devices such as mobile phones, media players, and cameras. This memory is known as Solid State Storage Device, meaning there is no moving parts. Everything is electronic instead of mechanical and so it is ideal for mobile phones
  44. 44Cyber cafeA cafe or coffee shop that has a number of personal computers connected to the internet and available for the use by customers. Most charge by the hour or fraction of an hour.
  45. 45HotspotA venue that offers a Wi-Fi internet connection. Many are located in hotels and restaurants and lots of them are free.
  46. 46Cloud ComputingA system in which all computer programs and data is stored on a central server owned by a company (e.g. Google) and accessed virtually
  47. 47Web application(Web App) Any application that can be accessed using a web browser. The application can be as simple as a message board or guest sign-in page on a website, or as complex as a spreadsheet.
  48. 48Sat NavA device , usually used in the car, that gives directions based on information received a series of satellites.
  49. 49ConvergenceWhen one device is developed to carry out functions that where originally performed by several different devices.
  50. 50MetadataProvides information about the content of a digital item, e.g. Each digital image from a digital camera has a file attached listing such things as data, time, camera and shutter speed.
  51. 51GeotagTo attach the exact geographical coordinates of longitude and latitude to a digital image, giving the location of where it was taken
  52. 52HDTVHigh-definition TV
  53. 53High Definition (HD)The picture on a TV screen is made of lines of pixels. In a conventional TV there are 625 lines, which are refreshed 25 times per second. This has either 720 or 1080 line, so it produces a clearer, shaper picture.
  54. 54High Definition Media Interface (HDMI)Required for connecting devices to show high-definition videos.
  55. 55Terabyte (TB)1000GB (Gigabytes) is Gigabyte
  56. 56Gigabyte (GB)1000MB (Megabytes)
  57. 57Blu-rayA disk that enables recording, rewriting and playback of high-definition video and it stores large amounts of data. It has more than 5 times the storage capacity of traditional DVD's. They can hold 25GB on single layer and 50GB on dual layer disk.
  58. 58DownloadTransfer of a file e.g. A video from a central computer to your computer.
  59. 59BroadbandA high-speed connection to the internet.
  60. 60BandwidthThe amount of data that can fit through the internet connection. Compare it to a 10 lane motorway which can fit more cars on it than a 4 lane motorway. Its measured in bits per second (bps). This indicates the number of bits that can fit down the lane in one second. kilobits per second (kps) means thousands of bits per second, megabits per second Mbps means millions of bits per second.
  61. 61UploadTransfer a file from your computer to a central computer e.g. Your ISP
  62. 62FirewallA system designed to prevent unauthorised access to your computer when connected to a network such as the internet.
  63. 63SpywareSoftware that can be installed on your computer without your knowledge, which collects information about logins and passwords and sends details to another computer on the internet
  64. 64Internet Protocol (IP) addressThe personal address of your computer (just like you home address) so that servers know where to send the information you have requested.
  65. 65EncryptionFor security, data is translated into a secret code according to a set of rules in a special 'key'. To convert the data back into plain text, the receiver must also have the key.
  66. 66CopyrightGives the creator of an original work exclusive rights regarding that work for a certain period of time, including its publication, distribution and adaptation.
  67. 67Digital Rights Management (DRM)Allows the copyright holder or owner of the media control over the number of viewings, plays and copies, and even which devices the media can played or viewed on. If you download a film from iTunes you cannot burn it onto a DVD because this is encoded in the film.
  68. 68StreamingContent that is send in compressed form over the internet and played by the viewer in real time. User does not have to wait for this to download, the media is sent in a continuous stream of data and is played as it arrives.
  69. 69MalwareSoftware that is designed to cause problems for users.
  70. 70CookiesSmall text files that are sent to your computer from certain websites. They track your behaviour and transactions.
  71. 71DongleA small piece of hardware that connects to a computer and has uses including data storage and picking up Bluetooth and 3G signals. It is portable, looks like a USB drive and can get you onto the internet using 3G.
  72. 72MultitaskTo perform more than one task at the same time.
  73. 73RemotelyPerform tasks from a different location.
  74. 74WikiA type of website that encourages collaboration by allowing users to add, edit and remove content
  75. 75TeleworkingWorking from home but staying in touch with others with the help of technology.
  76. 76Hot DeskingSharing desks or workstations between workers, as a way of saving space and resources.
  77. 77Open Source SoftwareSoftware that is available to download free of charge e.g. OpenOffice.org which is a suite of applications.
  78. 78DataSymbols, characters, images and numbers are all types of this. When this is processed and acquires meaning it becomes information. Computers process this to produce information.
  79. 79BackupA copy of data that is made in case the original data is lost or damaged. This can restore the data to its original state.
  80. 80Primary StorageBuilt in storage designed to be directly accessed by the CPU.
  81. 81Secondary StorageStoring data on another device, such as a CD or USB pen.
  82. 82OutsourcingUsing an external service provider to carry out a business function.
  83. 83Disaster RecoveryThe policies and procedures that a company or organisation has in place so it can carry on with normal business after a disaster, such as a major ICT failure or fire etc.
  84. 84Redundant array of inexpensive disks (RAID)A hard disk drive where is written on to lots of disks at the same time. If on disk gets damaged, data can be accessed from another disk.
  85. 85OverheadsThe ongoing expenses of operating a business e.g.Rent, fuel bills and salaries.
  86. 86Viral MarketingA marketing strategy that encourages people to pass on a marketing message to their friends. It uses interesting and entertaining content that people will want to share. This uses multimedia to make the message memorable.
  87. 87ValidationThe process of checking that the data entered is reasonable or one of the expected options, e.g. That a persons age has not been entered as 200
  88. 88VerificationThe process of checking that the data entered is accurate. The data could be valid but still inaccurate. E.g. Someone could enter their age as 81 when they are actually 18.
  89. 89Credit CardPlastic card, issued by banks, building societies, retail stores and other businesses, which enables the person to buy goods without the need for cash. The holder agrees to pay back the money borrowed at a later date, sometimes with interest.
  90. 90Debit CardPlastic card, issued by banks, enables the person to buy goods but the money is taken directly from the holders bank account.
  91. 91Secure Socket Layer (SSL)A method of encrypting data to provide security for communications being sent over networks such as the internet.
  92. 92Online BankingA service offered by banks that allows account holders to view their account information online and carry out various financial transactions.
  93. 93Third-Party payment processorA business that offers customers an alternative fast, safe method to pay for online goods (e.g. PayPal)
  94. 94Personal Identification Number (PIN)A type of password applied to a credit/debit card.
  95. 95TrojanA program that appears legitimate but which performs harmful activity when it is run. It may be used to locate password information, or make the system more vulnerable to future entry, or simply destroy programs or data on the hard disk. Its similar to a virus except it doesn't replicate itself. It could also allow somebody from a remote site to control computer. Often sneaked into free games/downloads
  96. 96PhishingA form of internet fraud that aims to steal valuable information such as credit card details, usernames and passwords through emails.

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Flashcards for the unit 1 theory paper
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