数字设计原理与实践第四版第一二章答案(共4页).doc

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1、精选优质文档-倾情为你奉上Chapter 11.2 (1)A unit which describes a single digit of binary notation was represented either by 0 or 1; (2)A unit which describes the digital abstraction that associate a range of analog values with each logic value(0 or 1); (3)A unit which describes a state false or true with logic

2、value 0 or 1 ;1.3 ASIC: Application Specific Integrated Circuit CAD: Computer Aided Design CD: Compact Disc DVD: Digital Versatile Disc CPLD: Complex Programmable Logic Device FPGA: Field- Programmable Gate-Array HDL: Hardware Description Language IC: Integrated Circuit IP: Internet Protocol LSI: La

3、rge Scale Integration MCM: Multi-chip Module MSI: Medium Scale Integration NRE: Non Recurring Engineering PBX: Private Branch Exchange PCB: Printed Circuit Board PLD: Programmable Logic Device PWB: Printed Writing Board SMT: Surface Mount Technology SSI: Small Scale Integration VHDL: Very High Speed

4、 Integration Circuit Hardware Description Language VLSI: Very Large Scale Integration1.5 Tape recorder to mp3、TV、Camera、 Chapter 22.1 (a) 6B16 (d ) . (e) 14.D16 (i) 57.348 (j) 1010 1110 0.2.2 (f) 4ACE.F0C16 2.3 (f) .2.4 8= =3218 0378 1308 32182.5 (g) 138102.6 2.7 (a) (c) 2.11 Signed magnitude Ones c

5、omplementTwos complement +250001 10010001 1001 0001 1001+1200111 10000111 10000111 1000+820101 00100101 00100101 0010-421010 10101101 0101 1101 0110 -61000 01101111 10011111 1010-1111110 11111001 00001001 00012.12 (a) no (b) no (c) yes (d) yes2.22 (1) if (X=0&Y=0) (2) if( X=0&Y=0&|X|=|Y|) X+Y=X+Y=X+Y X+Y=X+2n-|Y|=X+Y=X+Y (3) if(X=0&Y=0&|X|=|Y|) (4) if(X0&Y0) X+Y=X+2n-|Y|=2n -|X+Y|=X+Y X+Y= 2n-|X|+2n-|Y|=2n -|X+Y|=X+Y2.35 001/010 011/100 101/110 111/0002.36The half of the boundaries which is bad boundaries is 2n-1专心-专注-专业