cs

• Binary Code


  A simple code that computers use to send and receive data made from electrical signals and represented by 1s and 0s.

  
• Source


  The person or machine that has a message to be delivered.

  
• Encoder


  Device that changes the message into another form for transmission.

  
• Transmitter


  Device that sends the encoded message toward it's destination.

  
• Medium


  The wired or wireless means used to send information.

  
• Receiver


  The device that accepts the encoded information and relays it to the decoder.

  
• Decoder


  Device that translates the encoded message into an understandable form.

  
• Destination


  The person or machine that receives the decoded message.

  
• Data


  Raw, unorganized facts that need to be processed. It can be something simple and apparently random and useless until it is organized.

  
• Information


  Data that is processed, organized, structured, or presented in a context so as to make it useful.

  
• Information Technology


  Computer-based technology used for storing and processing information.

  
• GPS


  A network of 24 orbiting satellites used primarily for precise navigation. Three satellites "triangulate" an object and determine its exact location using the global positioning system.

  
• Central Processing Unit (CPU)


  The part of a computer in which operations are controlled and executed, located on the motherboard.

  
• Motherboard


  A printed circuit board containing the principal components of a computer or other device, with connectors into which other circuit boards can be slotted.

  
• RFID tags


  Microchips equipped with radio transmitters. Radio frequency identification tags can be attached or embedded in order to track locations or store information for a wide range of applications.

  
• Modulate


  To change the amplitude or frequency of waves.

  
• Malware


  Software programs designed to damage or do other unwanted actions on a computer system. Refers to "malicious software" and includes viruses, worms, trojan horses, and spyware.

  
• Software


  General term that describes computer programs. It is virtual, not physical like computer hardware, and is essentially data and information.

  
• Syntax


  Each computer programming language uses a different ________. In computer programming languages, this serves the same purpose, defining how declarations, functions, commands, and other statements should be arranged.

  
• Network


  When two or more computers connected to each other, you have a _________, with the purpose of sharing files and information between multiple systems. The Internet could be described as a global example of this.

  
• HDMI


  Provides a digital interface for transmitting audio and video data in a single cable. It is supported by most HDTVs and related components, such as DVD and Blu-ray players, cable boxes, and video game systems. It is an acronym for High-Definition Multimedia Interface.

  
• Digital


  __________ information is stored using a series of ones and zeros.

  
• HTML


  An abbreviation of the language that webpages are written in. Also known as hypertext documents, webpages must conform to the rules of this language in order to be displayed correctly in a web browser. This syntax is based on a list of tags that describe the page's format and what is displayed on the webpage.

  
• HTTP


  The protocol used to transfer data over the World Wide Web. All website addresses begin with this. It stands for Hyper-Text Transfer Protocol.

  
• hypertext


  Text that links to other information.

  
• Hardware


  Physical elements of a computing systems (printer, circuit boards, wires, keyboard, etc)

  
• Hard Drive


  Storage device that stores digitally encoded data on rapidly rotating rigid disks with magnetic surfaces. The device is either permanently installed within the computer case or can be portable

  
• RAM


  A temporary place to store material that works quickly. Random Access Memory is erased when computer turns off.

  
• Power Supply


  A device that provides electricity to a computer.

  
• Input Device


  Device used to insert data into a computer or other device (ex: keyboard, mouse, microphone, scanner, voice recognition)

  
• Output Device


  Device that projects images, gives sound, and basically gives out the info from the computer so the user can obtain it (ex: monitor, printer, projector, speakers)

  
• Operating System (OS)


  Software used to control the computer and its peripheral equipment.

  
• Server


  A computer that serves up information to other computers on a network

  
• Monitor


  Displays images and text on the screen.

  
• Antivirus Software


  Software designed to detect and destroy computer viruses

  
• Fiber-Optics


  Refers to the medium and the technology associated with the transmission of information as light pulses along a glass or plastic strand or fiber.

  
• Protocols


  Information is transmitted over the Internet using computer languages called ______________.

  
• Byte


  An 8-bit word

  
• One Billion


  Number of bytes in a Gigabyte

  
• One Million


  Number of bytes in a Megabyte