Karteikarten
computer systems glossary
Karten in diesem Stapel (42)
- 1WAN ( wide area network)A computer network in which the computers connected may be far apart, generally having a radius of more than 1 km.
- 2LAN (local area netwok)a computer network that links devices within a building or group of adjacent buildings, especially one with a radius of less than 1 km.
- 3output devicea part of a computer that give out something e.g. a monitor
- 4input devicesomething that input something e.g. a USB memory stick inputs data
- 5storage devicesomething that is used to store data on a computer e.g. a hard drive
- 6SSD solid-state drivea hard drive that has no moving parts that make it hard to break
- 7firewirea standard high-performance serial bus for connecting digital devices together or to a computer.
- 8RFID (Radio-Frequency Identification)is the use of radio waves to read and capture information stored on a tag attached to an object.
- 9GPS (Global Positioning System)is a satellite-based navigation system made up of a network of 24 satellites placed into orbit.
- 10USB (Universal Serial Bus)A system for connecting
- 11IP addressa unique string of numbers separated by full stops that identifies each computer using the Internet Protocol to communicate over a network.
- 12SD 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.
- 13Security keysis 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.
- 14VOIP (Voice Over Internet Protocol)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.
- 15CD (compact dice)A storage device mainly used for music
- 16DVD (digital video dice)a storage device used mainly for video e.g. films
- 17cloud storagemodel of data storage where the digital data is stored in a server,the physical storage spans multiple servers (and often locations),
- 18open source softwareis software that can be freely used and changed by anyone
- 19proprietary softwaresoftware that belongs to someone and you have to pay to use it
- 20DMS (diary management software)an online calendar is used like a normal calendar but is online so it can be shared with other people
- 21firewallprotect a computer from dangerous website
- 22SSIDthe name you give to wireless internet in a home
- 23WEP, WPA,WAP2,AESsecurity system for a WI/FI networks
- 24Bluetoothis a short range connection used in lost of devices
- 25bandwidtha range of frequency with in a band
- 26wi/fithe wireless connection to the internet
- 27routera device that connects you to the internet
- 28modeman internal that connects your computer to the internet
- 29remote workingsomeone working from home
- 30optical storageis the storage of data on a optical medium
- 31magnetic storagethe storage of data on a magnetized medium
- 32CCTV (closed-circuit television)a TV system that is not publicly displayed
- 33key loggerI type of surveillance software that can be key stroke and is usually encrypted
- 34user IDSomething that is used to identify yourseft
- 35DOS (Disk operating system)was the first widely-installed operating system for personal computers.Earlier, the same name had been used for an IBM operating system for a line of business computers.
- 36data capture formA data capture form is designed to collect specific data.
- 37EncryptionEncryption 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.
- 38GUI (graphical user interface)is a graphical display in one or more windows containing controls, called components, that enable a user to perform interactive tasks. The user of the GUI does not have to create a script or type commands at the command line to accomplish the tasks.
- 39Foruma meeting or medium where ideas and views on a particular issue can be exchanged.
- 40Phishingthe 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.
- 41Radio buttons(in a graphical display) an icon representing one of a set of options, only one of which can be selected at any time.
- 42passworda secret word or phrase that must be used to gain admission to a place
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