Digital Fundamentals 11th Edition
by Thomas Floyd All Chapters Covered
, PART 1 x
Problem Solutions
x
,Chapterx1
CHAPTER 1 x
INTRODUCTORY CONCEPTS x
Sectionx1-1x DigitalxandxAnalogxQuantities
1. Digitalxdataxcanxbextransmittedxandxstoredxmorexefficientlyxandxreliablyxthanxanalogxdata.x Also
,xdigitalxcircuitsxarexsimplerxtoximplementxandxtherexisxaxgreaterximmunityxtoxnoisyxenvironment
s.
2. Pressurexisxanxanalogxquantity.
3. Axclock,xaxthermometer,xandxaxspeedometerxcanxhavexeitherxanxanalogxorxaxdigitalxoutput.
Sectionx1-2x BinaryxDigits,xLogicxLevels,xandxDigitalxWaveforms
4. Inxpositivexlogic,xa1xisxrepresentedxbyxaxHIGHxlevelxandxax0xbyxaxLOWxlevel.xInxnegativexlogic,xa
x1xisxrepresentedxbyxaxLOWxlevel,xandxax0xbyxaxHIGHxlevel.
5. HIGHx=x1;xLOWx=x0.x SeexFigurex1-1.
6. Ax1xisxaxHIGHxandxax0xisxaxLOW:
(a) HIGH,xLOW,xHIGH,xHIGH,xHIGH,xLOW,xHIGH
(b) HIGH,xHIGH,xHIGH,xLOW,xHIGH,xLOW,xLOW,xHIGH
2
, Chapterx1
7. SeexFigurex1-2.
Ampl
=x10xV
tPWx =x 2.7x
s
8. Tx=x4xms.x SeexFigurex1-3.
1x 1
9. fx= =x0.25xkHzx=x250xHz
T
4xm
s
10. ThexwaveformxinxFigurex1-61xisxperiodicxbecausexitxrepeatsxatxaxfixedxinterval.
11. tWx=x2xms;xTx=x4xms
xt x x 2 msx x
%xdutyxcyclex=x Wx 100 x
100x=x50%
x Tx x4xmsx
12. SeexFigurex1-4.
3