standard+notes

__Tech. Notes__**: __Standard 3__**

 * 1.MULTIMEDIA**
 * **combinig 2 or more technologies together**
 * **portfolio is multimedia**
 * 2.COMPUTER TERMS**
 * **digital storage is expressed in bytes**
 * **kilobyte- thousand**
 * **megabyte- million**
 * **gigabyte- billion**
 * **terabyte- trillion**
 * 3.CENTRAL PROCESSING UNIT**
 * **CPU's are the brains of the computer**
 * **the better the processor the faster it is**
 * 4.LOCAL AREA NETWORK(LAN)**
 * **shared server, hardware, printer, can communicate with each other**
 * **a LAN is our lab**
 * 5.RANDOM ACCESS MEMORY (RAM)**
 * **temporary memory in a computer**
 * 6.READ - ONLY MEMORY (ROM)**
 * **permanent memory in a computer**
 * 7.COMPUTER NUMERICAL CONTROL(CNC)**
 * **computer takes control and makes products**

__**Standard 4:**__

 * 1.ORTHOGRAPHIC PROJECTION**
 * **a way to present a 3-D object in 2-D**
 * 2.PERSPECTIVE**
 * **appearance an area has if you were looking at it**
 * 3.GRAPH**
 * **shows information visually**
 * 4.SEQUENCE DIAGRAM**
 * **shows the order or steps of how to do something**

__**Standard 5:**__

 * 1.INTERGRATED CIRCUIT: contains hundreds of parts. A complex set of electronic components that are on a slice of semiconducting material.**
 * 2.CIRCUIT BREAKER: protects houses, school, and all building with electricity from an electrical**
 * 3.CONDUCTOR: carries electricity**
 * **EX: metal**
 * 4. RECIPROCATING**
 * **back and forth, or up and down motion repeats over and over again**
 * 5.ROTARY MOTION**
 * **motion that goes in a circle**
 * 6.OSCILLATING MOTION**
 * **motion that moves along a path then returns along the same path.**
 * 7.HYDRAULIC SYSTEM**
 * **machines and tools which use fluid or oil pneumatics**
 * 8.PNEUMATICS**