Flashcards
computer systems glossary
Cards in this deck (47)
- 1LANlocal area network - a network that interconnects computers within a limited area such as home, school, office ect
- 2output deviceoutput device - an output device is either an exit or changes which exit a system such as a printer
- 3input deviceinput device - an input device is either an entrance or changes which enter a system such as a keyboard
- 4storage devicestorage device - a piece of computer equipment on which information can be stored on
- 5SSDsolar state drive - a storage device containing non-volatile flash memory, used in place of a hard disk because of its much greater speed
- 6fire wirefire wire - a standard high performance serial bus for connecting digital devices together or to a computer
- 7RFIDradio frequency identification - is a technology that incorporates of electromagnetic coupling in the radio frequency, portion of the electromagnetic to identify an object such as a animal or person
- 8GPSglobal positioning system - is a space-based satellite navigation system that provides location and time information in all weather conditions, anywhere on or near the Earth where there is an unobstructed line of sight to four or more GPS satellites.
- 9USBuniversal serial device - communication, and power supply between computers and electronic devices and can store data onto the device
- 10ip addressip address - a unique string of numbers separated by full stops that identifies each computer using the Internet Protocol to communicate over a network.
- 11SDsecure digital card - is an ultra small flash memory card designed to provide high-capacity memory in a small size. SD cards are used for video camcorders ect
- 12OPEN SOURCE SOFTWAREOpen source software is software whose source code is available for modification or enhancement by anyone.
- 13proprietary softwaresoftware that is owned by an individual or a company, there are major restrictions on its use, and its source code is almost always kept secret.
- 14DNSdomain name system - is the way that Internet domain names are located and translated into Internet Protocol addresses
- 15FIREWALLprotect (a network or system) from unauthorized access with a firewall.
- 16SSIDService Set Identifier - is a unique ID that consists of 32 characters and is used for naming wireless networks. When multiple wireless networks overlap in a certain location, SSIDs make sure that data gets sent to the correct destination.
- 17WPAWi-Fi Protected Access - security standard for users of computers equipped with Wi-Fi wireless connection. It is an improvement on and is expected to replace the original Wi-Fi security
- 18BLUETOOTHa standard for the short-range wireless interconnection of mobile phones, computers, and other electronic devices.
- 19BANDWIDTHa range of frequencies within a given band, in particular that used for transmitting a signal.
- 20WI-FIa facility allowing computers, smartphones, or other devices to connect to the Internet or communicate with one another wirelessly within a particular area.
- 21ROUTERa device which forwards data packets to the appropriate parts of a computer network.
- 22MODEMa combined device for modulation and demodulation, for example, between the digital data of a computer and the analogue signal of a telephone line.
- 23REMOTE WORKINGworking outside the office or workplace for example cloud, mobile, home and virtual
- 24DoS(Disk Operating System) was the first widely-installed operating system for personal computers.
- 25DATA CAPTURE FORMA data capture form is designed to collect specific data. usually these forms have boxes to fill in
- 26ENCRYPTIONthe 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
- 27GUIgraphical user interface - a type of interface that allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation, as opposed to text-based interfaces
- 28FORUMan Internet site where users can post comments about a particular issue or topic and reply to other users' postings; a message board.
- 29PHISHINGthe fraudulent practice of sending emails purporting to be from reputable companies in order to induce individuals to reveal personal information, such as passwords and credit card numbers, online.
- 30RADIO BUTTONSin a graphical display) an icon representing one of a set of options, only one of which can be selected at any time.
- 31PASSWORDa string of characters that allows access to a computer, interface, or system
- 32DATA USERa data user is someone who controls the collection, holding, processing or the use of data
- 33information commissionera Information Commissioner differs from nation to nation. Most commonly it is a title given to a government regulator in the fields of freedom of information and the protection of personal data in the widest sense
- 34peer to peer file transferPeer-to-peer file sharing is the distribution and sharing of digital media using peer-to-peer (P2P) networking technology
- 35NFCa set of ideas and technology that enables smartphones and other devices to establish radio communication with each other by touching them together or bringing them into proximity, 10cm together or less
- 36OPTICAL STORAGEstorage 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 focused on a spinning disc
- 37MAGNETIC STORAGEstorage of data on a magnetized medium. Magnetic storage uses different patterns of magnetization in a magnetisable material to store data and is a form of non-volatile memory.
- 38CCTV(closed-circuit television) is a TV system in which signals are not publicly distributed but are monitored, primarily for surveillance and security purposes. CCTV is many cameras, and is a
input on monitors - 39KEY LOGGERa computer program that records every keystroke made by a computer user, especially in order to gain fraudulent access to passwords and other confidential information
- 40ETHERNETa 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
- 41USER IDthe code used by a User to identify himself when he logs into a system and starts a Login Session. It is used by the system to uniquely identify this User
- 42WANwide area network - computer network in which the computers connected may be far apart, generally having a radius of more than 1 km.
- 43SECURITY KEYA network security key usually refers to the password or alphanumeric key that end users enter to access a local area network.
- 44VOIPVoice over IP - is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet.
- 45CDA compact disc - for STORING electronically recording and playing back audio, video, text, and other information in digital form.
- 46DVDa type of compact disc able to store large amounts of data, especially high-resolution audio-visual material.
- 47CLOUD STORAGEa model of data storage where the digital data is stored in logical pools, the physical storage spans multiple servers (and often locations)
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- Flashcards on computer systems glossary, created by CJ on 12/02/2015.
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- CJ
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