| A | B |
|---|
| Ampere | a unit of electrical current flow |
| Analog | a smoothly varying voltage or current that can be set to any desired level |
| Binary code | an electronic code based on the binary number system that the computer can understand ( zero 0 and one 1) |
| Bit | the smallest digital piece of information a computer can use |
| Byte | a CPU based string of data (ie: 16,32,64,1024 Bits) |
| Circuit | a group of electrical or electronic components connected together to perform a function |
| Computer | an electronic device that stores, retrieves, calulates,and processes data |
| Conductor | a material that allows electrical energy to flow through it |
| CPU | the central processing unit that controls flow and storage of data |
| Current | the flow of electrons through a material |
| Digital | electronic code with fixed values used to generate "Bits" of information |
| Electron | a negatively charged particle from an atom |
| Insulator | a material whose atomic structure resist electron current flow |
| Intergrated Circuit | a complete electronic circuit built on a single piece of semiconductor material |
| I/O | input/output |
| Keyboard | an input device for data the the CPU |
| Memory | a place where the computer digitally stores data |
| Modem | a high speed device that allows computers to communicate over phone lines |
| Monitor | an output device that displays the data simular to a TV |
| Operating System | computer instructions that allow the user access to the software and data |
| Printer Circuit Board | a thin board made of insulating material, with copper pathways connecting the mounted components |
| Printer | an output device that produces paper copies of the data |
| Processor | CPU or brain of the computer |
| RAM | random access memory |
| Resistance | the opposition to electron flow |
| ROM | read only memory |
| Scanner | an input device that can optically converts images to digital code |
| Semiconductor | a material that is neither a good conductor nor a good insularor |
| Supercomputer | a computer that is superior to all other computers because of its speed of operation and memory size |
| Voltage | a unit of electrical force needed to move electrons through a material |
