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Computer System Glossary
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- 1WANWide area network - a network which covers a broad area such as a city or country
- 2LANLocal area network - a network that interconnects computers within a limited area such as a home, school, office etc
- 3Output DeviceAn output device is any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system (such as a computer) which converts the electronically generated information into human-readable form.
- 4Input DeviceIn computing, an input device is a peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system such as a computer or other information appliance. Examples of input devices include keyboards, mice, scanners, digital cameras and joysticks.
- 5Storage DeviceA data storage device is a device for recording (storing) information (data). Recording can be done using virtually any form of energy, spanning from manual muscle power in handwriting, to acoustic vibrations in phonographic recording, to electromagnetic energy modulating magnetic tape and optical discs.
- 6SSDA storage device containing non-volatile flash memory, used in place of a hard disk because of its much greater speed.
- 7Fire WireA standard high-performance serial bus for connecting digital devices together or to a computer.
- 8RFIDRFID (radio frequency identification) is a technology that incorporates the use of electromagnetic or electrostatic coupling in the radio frequency (RF) portion of the electromagnetic spectrum to uniquely identify an object, animal, or person.
- 9GPSThe Global Positioning System (GPS) 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.
- 10USBUniversal Serial Bus (USB) is an industry standard developed in the mid-1990s that defines the cables, connectors and communications protocols used in a bus for connection, communication, and power supply between computers and electronic devices.
- 11Ip adressA unique string of numbers separated by full stops that identifies each computer using the Internet Protocol to communicate over a network.
- 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, digital cameras, handheld computers, audio players and mobile phones.
- 13Security KeyA network security key usually refers to the password or alphanumeric key that end users enter to access a local area network.
- 14VoIPVoice over Internet Protocol is a category of hardware and software that enables people to use the Internet as the transmission medium for telephone calls by sending voice data in packets using IP rather than by traditional circuit transmissions of the PSTN.
- 15CDCompact disc (CD) is a digital optical disc data storage format. The format was originally developed to store and play only sound recordings but was later adapted for storage of data (CD-ROM).
- 16DVDa type of compact disc able to store large amounts of data, especially high-resolution audiovisual material.
- 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.
- 18Open Source SoftwareOpen source software is software whose source code is available for modification or enhancement by anyone.
- 19Proprietary 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.
- 20Firewalla wall or partition designed to inhibit or prevent the spread of fire.
- 21SSIDSSID - service set identifier is a network name for example BT Homeband
- 22WEPStands for "Wired Equivalent Privacy." WEP is a security protocol for Wi-Fi networks.
- 23WPAStands for "Wi-Fi Protected Access." WPA is a security protocol designed to create secure wireless (Wi-Fi) networks.
- 24WPA2Wi-Fi Protected Access (WPA)
- 25AESThe Advanced Encryption Standard (AES)
- 26DoSDenial of service happens when lots of people or robots log into a website which then leads to being crashed or no one can access it
- 27Data capture formData capture forms often use boxes or a set amount of spaces and occasionally provide examples too. This is to make sure each field is completed correctly.
- 28EncryptionEncryption 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.
- 29GUIStands for "Graphical User Interface," and is pronounced "gooey." It refers to the graphical interface of a computer that allows users to click and drag objects with a mouse instead of entering text at a command line.
- 30ForumA Web forum is a website or section of a website that allows visitors to communicate with each other by posting messages. Most forums allow anonymous visitors to view forum postings, but require you to create an account in order to post messages in the forum.
- 31PhishingPhishing is the attempt to acquire sensitive information such as usernames, passwords, and credit card details (and sometimes, indirectly, money) by masquerading as a trustworthy entity in an electronic communication.
- 32Radio buttonsA radio button or option button that allows the user to choose only one of a set of options
- 33Passworda secret word or phrase that must be used to gain admission to a place
- 34Data userA person who use infromation about someone else
- 35Information CommissionerIs a person who is in charge of peoples personal information
- 36Peer to peer file transferIs sending files from person to person without using a server eg bluetooth
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- Fichas sobre Computer System Glossary , creado por 11ata.a el 12/02/2015.
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