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Flashcards

Computer Systems Glossary

11bekir.j Inglês 48 flashcards

Flashcards do conjunto (48)

  1. 1WAN(Wide Area Network) A network that covers an broad area using leased telecommunication lines.
  2. 2LAN(Local Area Network) A network is a computer network that interconnects computers within a limited area such as a home, school, computer laboratory, or office building, using network media.
  3. 3Output deviceAn output device is any piece of computer hardware equipment used to communicate the results of data information into human-readable form.
  4. 4Input DeviceAny machine that feeds data into a computer. For example, a keyboard is an input device
  5. 5Storage DeviceA data storage device is a device for recording (storing) information (data).
  6. 6SSD(Solid State Drive) A drive which has flash memory and no moving parts
  7. 7FireWireA standard high-performance serial bus for connecting digital devices together or to a computer. It is a high speed data transfer
  8. 8RFID( Radio Frequency Device) Radio-Frequency Identification is the use of radio waves to read and capture information stored on a tag attached to an object. A tag can be read from up to several feet away and does not need to be within direct line-of-sight of the reader to be tracked.
  9. 9GPSThe Global Positioning System (GPS) is a satellite-based navigation system made up of a network of 24 satellites placed into orbit by the U.S. Department of Defence.
  10. 10USBUSB (Universal Serial Bus) is the most popular connection used to connect a computer to devices such as digital cameras, printers, scanners, and external hard drives. USB is a cross-platform technology that is supported by most of the major operating systems.
  11. 11IP AddressA unique string of numbers separated by full stops that identifies each computer using the Internet Protocol to communicate over a network.
  12. 12SD CardAn SD Card (Secure Digital Card) is an ultra small flash memory card designed to provide high-capacity memory in a small size. SD cards are used in many small portable devices such as digital video camcorders
  13. 13Security KeyA password that allows you to connect to networks
  14. 14VoIPVoIP is an acronym for Voice Over Internet Protocol, or in more common terms phone service over the Internet. If you have a reasonable quality Internet connection you can get phone service delivered through your Internet connection instead of from your local phone company.
  15. 15CDA compact disk that can store music and normally has 800mb
  16. 16DVDA type of compact disc able to store large amounts of data, especially high-resolution audio-visual material.
  17. 17Cloud StorageCloud storage is a model of data storage where the digital data is stored in logical pools, the physical storage spans multiple servers (and often locations), and the physical environment is typically owned and managed by a hosting company.
  18. 18Open Source SoftwareOpen source software is software that can be freely used, changed, and shared by anyone. Open source software is made by many people, and distributed under licenses that comply with the Open Source Definition.
  19. 19Open source SoftwareOpen source software is software that can be freely used, changed, and shared by anyone. Open source software is made by many people, and distributed under licenses that comply with the Open Source Definition.
  20. 20Proprietary SoftwareProprietary software is software that is owned by an individual or a company (usually the one that developed it). There are almost always major restrictions on its use, and its source code is almost always kept secret.
  21. 21Diary Management Software (DMS)This is a software used to keep track of dates and times. It is used within businesses and helps keep a business organised.
  22. 22FirewallA part of a computer system or network which is designed to block unauthorized access while permitting outward communication.
  23. 23SSIDA SSID (Service set identifier) is a network name.
  24. 24WEP, WPA, WPA2, AESWireless network security systems which stop hackers getting in.
  25. 25BluetoothA standard for the short-range wireless interconnection of mobile phones, computers, and other electronic devices.
  26. 26BandwidthThe transmission capacity of a computer network or other telecommunication system.
  27. 27Wi-FiA facility allowing computers, smartphones, or other devices to connect to the Internet or communicate with one another wirelessly within a particular area.
  28. 28RouterA box that connects you to the internet.
  29. 29ModemSimilar to a router but is normally inside of a computer.
  30. 30Remote WorkingTo be able to work away from an office e.g. at home or on holiday.
  31. 31Optical StorageOptical storage is the storage of data on an optically readable medium. Data is recorded by making marks in a pattern that can be read back with the aid of light, usually a beam of laser light precisely focused on a spinning disc.
  32. 32Magnetic StorageMagnetic storage (or magnetic recording) is the storage of data on a magnetized medium.
  33. 33CCTVCCTV (closed-circuit television) is a TV system in which signals are not publicly distributed but are monitored, primarily for surveillance and security purposes.
  34. 34Key LoggerKeystroke logging, often referred to as key logging or keyboard capturing, is the action of recording (or logging) the keys struck on a keyboard, typically in a covert manner so that the person using the keyboard is unaware that their actions are being monitored.
  35. 35EthernetEthernets a system for connecting a number of computer systems to form a local area network, with protocols to control the passing of information and to avoid simultaneous transmission by two or more systems.
  36. 36User IDIs the unique name you use to identify yourself.
  37. 37DoSDOS (Disk Operating System) was the first widely-installed operating system for personal computers.
  38. 38Data capture formA method of collecting specific data
  39. 39EncryptionEncryption is the most effective way to achieve data security. To read an encrypted file, you must have access to a secret key or password that enables you to decrypt it. Unencrypted data is called plain text ; encrypted data is referred to as cipher text
  40. 40GUIGraphical user interface is sometimes shortened to GUI. The user chooses an option usually by pointing a mouse at an icon representing that option.
  41. 41ForumA meeting or medium where ideas and views on a particular issue can be exchanged.
  42. 42PhishingThe attempt to get personal information from a person by sending fake emails pretending to be a real company.
  43. 43Radio buttonsAn icon representing one of a set of options, only one of which can be selected at any time.
  44. 44PasswordA string of characters that allows access to a computer, interface, website, or system.
  45. 45Data userA data user is someone who controls the collection, holding, processing, or the use of the data.
  46. 46Information CommissionerPerson who is in charge of the data protection act.
  47. 47Peer to peer file transferTransferring files from one person to another without the use of a server.
  48. 48NFCNFC, or near-field communication, is an easy and intuitive technology that allows you to use your mobile phone for special purposes.

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FlashCards sobre Computer Systems Glossary, criado por 11bekir.j em 11-02-2015.
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