standard+3+notes

Standard 3 notes 1. Multimedia A. combining two or more technologies together B. your portfolio is multimeda C. Even a meeting combing telephones, television, and computers. 2. Computer Terms A. Digital storage is expressed in bytes. 1. Kilobyte- thousand 2. Megabyte- Million 3. gigabyte- billion 4. Terabyte- trillion 3. Central processing Unit A. CPUs 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 eachother B. A LAN is our lab 5. Random-Access Memory 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. Prespective a. the appearance an area has if your were looking at it 3. graph a. shows information visually. 4. Sequence diagram 5. Shows the order or steps of how to do something STANDARD 5 1. Integrated unit. a. contains hundred 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 building that have electricity from an electrical overload. 3. conductor a. carries electricity b list three examples: 1. copper 2. Battery 3. Metal 4. Reciprocating Motion a. A back and forth or up and down which repeats over and over again 5. Rotary Motion a. motion that goes in a circle. 6. Oscillating Motion (man made) a. Motion that moves along a path then returns along the same path 7.Hydraulics Systems. a. Machines and tools which use fluid or oil 8. Pneumatics a. use air to work. 9. Mechanical Design a. using the design cylce to build machines 10. triangles a. makes most solid structure 11. Occupational health and Safety Administration (OSHA) a. A department in the government that inspects houses, schools, and all buildings to make sure they are safe. 12. Composite Mechanicals a. Made from two or more materials 13. Thermoplastic a. Material that is plastic b. When its hot it melts, so it can be formed into soft material c. When its cooled it can be molded into a strong matireal 14. Alloy a. Two metals mixed together to create a new metal 15. Casting a. Melting metal, glass, and Load b. When it cools its a solid object. 16. Dynamic load a. The load/weight changes on the structure 17. Shearing a. Cutting metal 18.Torsion a. Twisting 19. Pressing a. Applying pressure 20. Bending a. Taking a straight object and curving it 21. Forging a. Shaping metal by heating it iup 22. Construction technology. a. Building buildings 23. Communication Technology a. Using Technology to communicate. 24. Manufacturing Technology a. Making somthing on mass scale 25. Transportation Technology a. Technology that moves people and/or things