Standard+3-5+Notes

Standard 3
**1) Multimedia** a. Combining two or more technologies together b. Your portfolio is multimedia c. Even a meeting combining telephones, television, and computers

**2) Computer Terms** a. Digital storage is expressed in bytes
 * Kilobyte- thousand
 * Megabyte- million
 * Gigabyte- billion
 * Terabyte- trillion

**3) Central Processing Unit** a. CPU's are the brains of the computer b. The better the processor, the faster it is

**4) Local Area Network (LAN)** a. Shared server, hardware, printer can communicate with each other' b. A LAN is in our lab

**5) Random Access Memory (RAM)** a. Temporary memory in a computer

**6) Read- Only Memory (ROM)** a. Permanent memory in a computer (the operating system)

**7) Computer Numerical Control (CNC)** a. Computer takes control and makes product

Standard 4
**1) Orthographic Projection** a. A way to represent a 3-D object in 2-D b. It shows several views (3-D)

**2) Perspective** a. The appearance an area has if you were looking at it

**3) Graph** a. Shows information visually

**4) Sequence Diagram** a. Shows the order or the steps of how to do something

Standard 5
**1) Integrated Circuit** a. Contains hundreds of parts b. A complex set of electronic components that are on a tiny slice of semiconducting material

**2) Circuit Breaker** a. Protects houses, schools, and all buildings with electricity from an electrical overload

**3) Conductor** a. Carries electricity b. Examples:
 * Water
 * Lightning
 * Metals

**4) Reciprocating** a. a back and forth, or up or down motion which repeats over and over again

**5) Rotary Motion** a. A motion that goes in a circle

**6) Oscillating Motion** a. A motion that moves along a path then returns along the same path

**7) Hydraulic System** a. Machines and tools which use fluid or oil

**8) Pneumatics** a. Uses air to work

**9) Mechanical Design** a. Using the design cycle to build machines

**10) Triangles** a. Makes the most solid structure

**11) Occupational Safety and Health Administration (OSHA)** a. A department in the government that inspects houses, schools, and all buildings to make sure they are safe.

**12) Composite Materials** a. Made from two or more materials

**13) Thermoplastic** a. Material that is plastic b. When it's hot it melts, so it can be formed c. When it's cold, it becomes hard

**14) Alloy** a. Two metals mixed together to create a new metal

**15) Casting** a. Melting metal, glass or plastic and pouring i into a mold b. When it cools, it's a solid object

**16) Dynamic Load** a. The land/ weight changes. Its built for the maximum

**17) Shearing** a. Cutting metal

**18) Torsion** a. Twisting

**19) Pressing** a. Applying pressure a. Taking a straight object and curving it
 * 20) Bending**

**21) Construction Technology** a. The building of something

**22) Communication Technology** a. Using technology to communicate

**23) Manufacturing Technology** a. Making something on a mass technology