Cox Communications, 297 CPU (central processing unit), 207 Coding gain, 59, 69 CQI (Channel Quality Indication), 84-5, 373 COFDM, 277, 326 Cramer, 57 Cognitive radios, 127, 290 Cray 1A supercomputer, 238, 243 Cold switching cycles, 160 Cray Computer, 243 Colladon, Daniel, 24 Cross talk, 36-7, 39, 41, 261-3 Colossus code breaking machine, 237 Crown Castle, 276, 286 Colour depth, 182-3, 185, 189, 202 Crystal Palace, 286 Colour filter, 187-9, 212 CT2 cordless standard, 105-6 Communications Act, the, 271 CTIA Cellular Telecommunications Industry Compact camera, 193, 195, 203 Association, 156-7 Compact Flash, 208 Curie, Pierre and Jacques, 119 Competition policy, 18, 42, 273 Customer Premises Equipment (CPE), 31 Competitive network value, 373 Cyclone Nargis disaster, 232 Complementary Code Keying, 64 Component performance, 44, 54 D band, 299 Compression, 86-7, 186, 189-90 DAB (Digital Audio Broadcasting), 246, Condenser microphones, 131 276, 280, 293, 308, 323-4 Conditional probability theory, 215 Darwin, Charles, 370, 374 Conformance and performance test Data duty cycle, 7, 87, 105, 312 standards, 162, 164 Data rates, 15-17, 25-30, 32-5, 37-9, 41, Connected economies, 251 43-4, 49, 51-4, 72, 74, 80, 82, 100-107, Connection Engine, 238 114-16, 143, 155, 157, 159, 240, 247, Consumer M2M, 349 296, 299-300, 304, 306, 312, 323 Contact Less Smart Card, 356-60 Daventry 5XX, 275-6 Content bandwidth, 386 DCT transform, 191 Contention algorithms, 7, 42, 69-70, 74 DC-to-DC buck/boost converter, 161 Context to community sharing, 222 DDR DRAM, 341 Contrast Threshold Function, 202 De Coriolis, Gaspard G, 132 Control Point, 349 De Forest, Lee, 20-21, 125 Convergence delay, 60 De Morgan's Law, 215 Conversational traffic, 6, 71, 85 DECT cordless phones, 105, 290 Conversion efficiency, 44, 54 Defiant Modernism, 253 Cooke and Wheatstone telegraph, 23, 269 Dell, 140 Cooke, William, 269 Department for Business Innovation and Cooper, David, 42 Skills, 272 Cooperative Networks, 284, 286, 373 Descartes, Rene, 213 Copper cable, 36 Descriptiv