1 Computer System - OVERVIEW Reference: Giesecke et al. Chapter 2 Print multiple handouts on one page Select File – Print Edit the following selections.

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Presentation transcript:

1 Computer System - OVERVIEW Reference: Giesecke et al. Chapter 2 Print multiple handouts on one page Select File – Print Edit the following selections to read: Select the OK button

Parts of a Computer System n CPU n Input n Output n Storage Devices n Operating System n Software (latest processor)

CPU Central Processing Unit receives data and manages and controls the functions of the CAD system. It is analogous to a human’s brain, which interprets data and controls motor functions. 2000: Pentium® 4 Processor

4 CPU – Timeline  ’48 –Transistor (Bell Labs)  70’s – CPU (Intel) Birth of PC  70’s – Present –Dramatic increase in processor speed (Moore’s Law): Ted Hoff Inventor

Input Devices n Keyboard n Mouse n Digitizer n Trackball n Light Pen n Touch Screen n Voice

Keyboard ESC – Escape key CTRL – Control Key ALT – Alt keyCTRL – Control Key Function Keys Backspace – deletes anything to the left of the cursor Forward Slash Back Slash Delete – deletes anything to the right of the cursor Nums Lock – types numbers when using keypad Nums Lock, Caps Lock, & Scroll Lock – green light means lock is on Caps Lock –all letters will be typed as capital letters

Mouse Right Button – sometimes works like the Enter key and sometimes displays a short cut menu Middle Button – can be rolled or clicked, depending on the software Left Button – select entity, menu selection, icon, etc. Mouse Pad

Output Devices n Monitors n Printers n Plotters n Machining Centers n Rapid Prototyping n Other Software Packages, such as ANSYS and Mold Flow!

Output Devices cont’d. Printer A size paper drawer (8-1/2” x 11”) On/Off switch on side B size paper drawer (11” x 17”) Control Buttons and Prompt Window. To Cancel a job – press the Cancel button. If Offline – press the green button

10 Source: Haas: VF-11/50 Vertical Machining Center (30 hp spindle w/ 120” x 40” x 20” travel) Haas: Mini Mill (7.5 hp spindle w/ 16” x 12” x 10” travel) Source: Mori Seiki: SL-154 Turning Center Mori Seiki: SL-603 Turning Center CAD Model Import into CAM package Post Process Download g- code into machine tool Output Devices cont’d. Manufacturing

11 Output Devices cont’d. Rapid Prototyping w/ 3D Printer Source: Z-Corp CAD Model Import into 3D printer as STF file Produce physical prototype (starch/plaster) Full Scale Engine Block printed on the Z810 System (18"x19"x13") Z-Corp, model Z810 System, Build Volume = 20” x 24” x 16” Forsman’s METBD 410 METBD 410

Storage Devices n Fixed disk drive or hard drive (up to 120 GB+) n Floppy disk drive (1.44 MB) n USB (64 MB – 512 MB) n CD-ROM drives (800 MB) n Server (P: drive) n Optical drives (1 GB) n Magnetic tape (1+ GB) n Zip drives (100 MB) n Super Disk (120 MB)

Storage Devices cont’d. Floppy Drive CD ROM Drive Memory Stick in USB port

Access Storage Devices Start – Search – For Files or Folders… – Folders button + Means Collapsed - Means Expanded CD ROM Drive Hard drive Floppy Drive P: drive – your personal space V: drive – courseware Data Disk

Operating System An operating system is a set of instructions that control the operation of the computer and its peripheral devices. Operating systems control the execution of specific program. Operating systems provide support for activities like input and output (I/O) Examples: Windows XP, 2000 or NT, UNIX, OS2, Linex

Stand Alone vs Networked Stand AloneNetworked

Stand Alone n A self sufficient computer –All software must be loaded onto hard drive or run off a floppy. –Printer, scanner, etc., connected directly to computer.

Networked n Behrend Computer Labs –Multiple computers connected to one central location by cables, routers, etc. »One copy of the software on the server. n Site license controls number of copies that may be downloaded at one time. n Initial software downloads times may take up to 40 minutes – depending on the software »May connect to a printer in any computer center lab »Store data (your files) on computer center server, i.e., your P: drive. Freshman allocated 10 MB.