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Hardware Basics 0508
Chapter 2 Learning with Technology
| Question | Answer |
|---|---|
| Equitable Access | Robust and reliable access to all current and emerging technology for all students, staff, and teachers. |
| Computer System | Refers to the computer and other support devices (peripheral devices) |
| 3 CPU Units | Arithmetic Logic Unit, Memory Unit, Control Unit |
| Memory Types in a computer | RAM: Temporary Memory available only while the computer is turned on. ROM: Permanent Internal Memory |
| Binary Coding System | Code made up of 0's and 1's. Bit= 1 unit Byte= 8 Bits Kilobyte= 1,024 Bytes Megabyte= 1024 Kb (a million keystrokes) GigaByte= 1024 Mb (a Billion Keystrokes) Terabyte =1024 Gb (a trillion Keystrokes) |
| Peripheral Device | external devices used for input or output or storage. |
| Resolution | Clarity of the image on a screen measured in pixels on monitors or DPI on paper. |
| Pixel | A single colored square on a screen. |
| DPI (Dots per Inch) | the number of dots per inch of paper being printed. the higher the number of dots, the clearer the image |
| Internal Storage | Hard Disk Drive. Referred to as the "C" Drive in PCs and the "HD" drive in Macs |
| External Data Drives | CD, CD-R, CD-RW, External HD, USB Drive |
| Port | an opening on a computer through which a connection is made |
| Parallel Port | Developed by IBM and used to connect computers to printers |
| USB Ports | Universal Serial Bus Port. 1.0 2.0 3.0 |
| Ethernet Port/Firewire Ports | Different ports used for connecting to the internet. Firewire is the newest. |
| System Software | Software that tells the computer what to do. ie. Windows, Mac OS |
| Application Software | allows the computer to carry out specific functions such as word processing. |