Nuisance e-mail law........................................... 54
O
Object orientation............................................. 126 OBS.................................................................. 133 OCR( Optical Character Reader)..................... 226 Octal number.................................................... 157 OEM................................................................... 68 Office computer................................................ 223 OGC................................................................. 141 OLED( Organic Light- Emitting Diode) display.............................................................. 227 OMR( Optical Mark Reader)........................... 226 One time password........................................... 291 One-to-one marketing........................................ 72 One-way hash function.................................... 291 Online system................................................... 204 Online transaction processing.......................... 255 Operability testing............................................ 123 Operating income............................................... 38 Operation.................................................. 188, 253 Operation device.............................................. 187 Operational cost............................................... 211 Operational requirement................................... 104 Operational test................................................ 123 Operations audit............................................... 149 Operator symbol............................................... 219 Opinion exchange meeting............................... 149 Optical communication.................................... 276 Optical disk...................................................... 197 Optimization..................................................... 195 OR( Operations Research)................................. 21 Ordering cost...................................................... 33 Ordinary income................................................ 38 Organization....................................................... 17 OS( Operating System).................................... 212 OS types........................................................... 214 OSI................................................................... 222 OSI model........................................................ 267 OSS( Open Source Software)........................... 221 OSS types......................................................... 222 Output device........................................... 187, 227 Outsourcing................................................ 68, 101
P
P / L...................................................................... 41 Packet............................................................... 275 Packet communication..................................... 276 Packet filtering................................................. 291 Packet switching.............................................. 275 Page printer...................................................... 227 Parallel interface.............................................. 202
Parallel processing........................................... 205 Parallel system................................................. 210 Pareto chart........................................................ 26 Parity bit........................................................... 169 Password.......................................................... 290 Password crack................................................. 283 Patent right................................................... 43, 45 PB..................................................................... 167 PBX.................................................................. 266 PC / AT-compatible computer............................ 201 PCMCIA........................................................... 202 PDA............................................................. 85,224 PDCA................................................................. 17 PDF.................................................................. 240 Peeping............................................................. 281 Peer to peer....................................................... 206 Penetration test................................................. 123 Performance testing.................................. 123, 208 Peripheral device.............................................. 187 Permutation...................................................... 162 Personal information.......................................... 52 Personal information protection....................... 287 Person-hours..................................................... 136 Person-months.................................................. 136 PERT.................................................................. 27 Phishing............................................................ 283 Physical threats................................................ 284 Pie chart.............................................................. 30 Pixel......................................................... 227, 244 PKI................................................................... 299 PL( Product Liability Act).................................. 52 Plotter............................................................... 228 Plug and play.................................................... 203 Plug-in.............................................................. 218 PMBOK........................................................... 133 PNG.................................................................. 240 Pointing device................................................. 225 Pointing stick.................................................... 225 POP3........................................................ 268, 271 Pop-up menu.................................................... 236 Port..................................................................... 48 Port scan........................................................... 282 Portfolio............................................................. 25 Portrait right....................................................... 47 POS system........................................................ 77 PostScript language.......................................... 228 ppm.................................................................. 228 PPM( Product Portfolio Management)............... 66 Prefix................................................................ 167 Preliminary audit.............................................. 148 Presentation software................................. 70, 220 Preventative maintenance................................. 125 Primary key.............................................. 251, 252 Print server....................................................... 207
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