0195136047.pdf

314 DIGITAL BUILDING BLOCKS AND COMPUTER SYSTEMS On/Off 7404 +5 V LED R Figure 6.2.17Light-emitting diode (LED). of the liquid-c ...

6.2 DIGITAL SYSTEM COMPONENTS 315 CATHODE-RAYTUBE(CRT) While the CRT display is one of the oldest, it still remains one of the m ...

316 DIGITAL BUILDING BLOCKS AND COMPUTER SYSTEMS Solution The rate of the clock will be constant, independent of the analog inpu ...

6.3 COMPUTER SYSTEMS 317 are beyond the reach of the mainframes, and cost more than ten million dollars. These are used for weat ...

318 DIGITAL BUILDING BLOCKS AND COMPUTER SYSTEMS a detailed knowledge of the computer structure, is rather tedious and error-pro ...

6.3 COMPUTER SYSTEMS 319 gates that the control section enables or disables according to the program instructions. That is to sa ...

320 DIGITAL BUILDING BLOCKS AND COMPUTER SYSTEMS means of communicating between the computer and the outside world with external ...

6.4 COMPUTER NETWORKS 321 Network Architecture Aprotocolis a formal description of message formats and the rules two or more mac ...

322 DIGITAL BUILDING BLOCKS AND COMPUTER SYSTEMS the packeting/framing methods, and the virtual circuit/connection services; res ...

6.4 COMPUTER NETWORKS 323 (a) (b) (c) (d) (e) Figure 6.4.2Network topologies.(a)Bus (multidrop) topology.(b)Star topology.(c)Rin ...

324 DIGITAL BUILDING BLOCKS AND COMPUTER SYSTEMS Data Transmission and Modems Data can be transferred between two stations in ei ...

6.6 PRACTICAL APPLICATION: A CASE STUDY 325 a rate of about 10,800 bps. Microprocessor-controlled modems are known assmartmodems ...

326 DIGITAL BUILDING BLOCKS AND COMPUTER SYSTEMS Timer Microcomputer Digitally activated switches Bread ingredient container Hea ...

PROBLEMS 327 (b) (1011010) 2 (c) (.110101) 2 (d) (100101111011.01011) 2 (e) (1110110111.1011) 2 6.1.7Convert the following hexad ...

328 DIGITAL BUILDING BLOCKS AND COMPUTER SYSTEMS A F B Figure P6.1.13 A B Y (a) A B Y (b) Figure P6.1.14 A B Y C DD A B C (a) Y ...

PROBLEMS 329 B A B A Y Y B A Y (a) (b) (c) Y Figure P6.1.18 A B Y (a) A B C Y (b) Figure P6.1.19 B A C B Y (a) B A C Y (b) B A C ...

330 DIGITAL BUILDING BLOCKS AND COMPUTER SYSTEMS (b)Y=A·B+B ̄·C+A·C·D+A·B·D (c)Y=(A ̄+B+C)·(A ̄+B+C)·C ̄ (d)Y=B·C+B ̄·C ̄+A·B ̄· ...

PROBLEMS 331 x y z f Figure P6.1.28 z y x f Figure P6.1.29 xyzf 0001 0010 0101 0110 1001 1010 1100 1110 6.1.32With the use of a ...

332 DIGITAL BUILDING BLOCKS AND COMPUTER SYSTEMS C′o,Ci,C′′o, andSfor each pair of bits. *6.1.40Show that the circuit of Figure ...

PROBLEMS 333 S R Figure P6.1.43 S 0 1 R 0 1 Figure P6.1.45 Ck Clear Preset D Figure P6.1.46 D E D D E E Q Q (b) (a) Inputs Outpu ...