Flashcards
unit 1 glossary
Flashcards do conjunto (35)
- 1What is WAN (Wide Area Network)is a computer network in which the computers connected may be far apart, generally having a radius of more than 1 km.
- 2What is LAN (local Area 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.
- 3What is Output Deviceis a part of the computer that outputs things like: monitor, projector, speaker
- 4What is Input DevicesA part of the computer that inputs data like: keyboard, mouse, MIDI instrument
- 5What is Storage Devicea piece of computer equipment on which information can be stored. The data is stored as a digital signal ( 1 or 0)
- 6What is SSD (solid state drive)an SSD is a non volatile storage device that stores persistent data on solid-state flash memory.
- 7What is Fire Wirea standard high-performance serial bus for connecting digital devices together with high speed
- 8What is RFID (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.
- 9What is GPS (global 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.
- 10What is USB (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. On Windows
- 11What is IP Addressa unique string of numbers separated by full stops that identifies each computer using the Internet Protocol to communicate over a network.
- 12What is 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
- 13What is security keyis a physical USB second factor that only works after verifying the login site is truly a Google website, not a fake site pretending to be Google. Rather than typing a code, just insert Security Key into your computer's USB port and tap it when prompted in Chrome
- 14What is VOIP (voice over internet protocol)If you have a reasonable quality Internet connection you can get phone service delivered through your Internet connection instead of from your local
- 15What is CDis a compact disk that holds music
- 16What is DVDa type of compact disc able to store large amounts of data, especially high-resolution audio-visual material. eg a film
- 17What is Cloud 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).
you are also allowed a small amount of free storage - 18Open Source Softwareis 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.
- 19proprietary softwareis 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.
- 20DMS (Diary Management Software)is software that consists of a calendar that can be shared with other people for example Dj's that are with an agency can put jobs on the calendar and can share it with their agent to stop double booking. there is also a messaging system in it to
- 21Firewallit protects (a network or system) from unauthorized access with a firewall (things like hackers)
- 22SSID (service set identifier)is simply the technical term for a network name. When you set up a wireless home network, you give it a name to distinguish it from other networks.
- 23WEP(Wired Equivalent Privacy) WPA(Wireless Protected Access) WPA2(Wireless Protected Access2) AES(Advanced Encryption Standard)it is encryption software for wifi when you want to keep a network locked and you will have to input a password to connect
- 24Bluetootha standard for the short-range wireless interconnection of mobile phones, computers, and other electronic devices. you can also send photos, videos and music over devices
- 25BandwidthIs how much connection speed will you get, the bigger bandwidth the more data can be transferd at a faster speed
- 26WIFIa facility allowing computers, smartphones, or other devices to connect to the Internet or communicate with one another wirelessly within a particular area.
- 27Routera device which forwards data packets to the appropriate parts of a computer network.
- 28Modema combined device for modulation and demodulation, for example, between the digital data of a computer and the analogue signal of a telephone line
- 29Remote WorkingRemote work is where workers can work from home instead of in an office
- 30Optical Storageis 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.
- 31Magnetic Storageis the storage of data on a magnetized medium. Magnetic storage uses different patterns of magnetization in a to store data and is a form of non-volatile memory. The information is accessed using one or more read/write heads.
- 32CCTV (close Circuit Television)is a TV system in which signals are not publicly distributed but are monitored, primarily for surveillance and security purposes. CCTV relies on strategic placement of cameras, and observation of the camera's input on monitors somewhere
- 33Key loggerKeystroke logging, 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.
- 34Etherneta system for connecting a number of computer systems to form a LAN, with protocols to control the passing of information and to avoid simultaneous transmission by two or more systems.
transferd by Ethernet cable - 35User ID (User Identification)is the unique name you use to identify yourself on a website and is seen by other website users. it is shown when you communicate with other members and you also use it to log in. other users wont see your real name
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- FlashCards sobre unit 1 glossary, criado por 11dynia.j em 11-02-2015.
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