inst eecs. berkeley. edu/vcs61c CS61C. Machine Structures Lecture #2-Number Representation 200701-19 There is one handout today at the front and back of the room! Lecturer SoE Dan Garcia www.cs.bErkeley.edu/addgarcia Great book→ The Universal History of Numbers 该图片 by Georges Ifrah CS61C L02 Number Re presentation( Garcia, Spring 2007
CS61C L02 Number Representation (1) Garcia, Spring 2007 © UCB Lecturer SOE Dan Garcia www.cs.berkeley.edu/~ddgarcia inst.eecs.berkeley.edu/~cs61c CS61C : Machine Structures Lecture #2 – Number Representation 2007-01-19 There is one handout today at the front and back of the room! Great book The Universal History of Numbers by Georges Ifrah
Great DeCal courses I supervise(2 units) UCBUGG UC Berkeley Undergraduate Graphics Group Thursdays 5: 30-7: 30pm in 310 Soda Learn to create a short 3D animation No prereqs(but they might have too many students, so admission not guaranteed http://ucbugg.berkeleyedu MS-DOS X Macintosh Software Developers for os x Thursdays 5-7pm in 320 Soda Learn to program the Macintosh and write an awesome GUI application No preregs(other than interest) httpl/msdosx.berkeley.edu Garcia, Spring 2007
CS61C L02 Number Representation (2) Garcia, Spring 2007 © UCB Great DeCal courses I supervise (2 units) • UCBUGG • UC Berkeley Undergraduate Graphics Group • Thursdays 5:30-7:30pm in 310 Soda • Learn to create a short 3D animation • No prereqs (but they might have too many students, so admission not guaranteed) •http://ucbugg.berkeley.edu • MS-DOS X • Macintosh Software Developers for OS X • Thursdays 5-7pm in 320 Soda • Learn to program the Macintosh and write an awesome GUI application • No prereqs (other than interest) •http://msdosx.berkeley.edu
Review Continued rapid improvement in computing 2X every 2.0 years in memory size; every 1.5 years in processor speed every 1.0 year in disk capacity; Moores Law enables processor (2x transistors/chip -1.5 yrs) 5 classic components of all computers Control Datapath Memory Input Output Pr rocessor Number Re presentation Garcia, Spring 2007
CS61C L02 Number Representation (3) Garcia, Spring 2007 © UCB Review •Continued rapid improvement in computing • 2X every 2.0 years in memory size; every 1.5 years in processor speed; every 1.0 year in disk capacity; • Moore’s Law enables processor (2X transistors/chip ~1.5 yrs) •5 classic components of all computers Control Datapath Memory Input Output Processor }
My goal as an instructor To make your experience in CS61C as enjoyable informative as possible Humor, enthusiasm, graphics technology-in-the-news in lecture Fun, challenging projects HW Pro-student policies(exam clobbering) To maintain cal EECS standards of excellence Your projects exams will be just as rigorous as every year. Overall B-avg · To be an hKn“7.0”man I know I speak fast when I get excited about material lm told every semester Help me slow down when I go toooo fast Please give me feed back so I improve Why am I not 7.0 for you? I will listen!! CS61C L02 Number Re presentation(4) Garcia, Spring 2007
CS61C L02 Number Representation (4) Garcia, Spring 2007 © UCB My goal as an instructor • To make your experience in CS61C as enjoyable & informative as possible • Humor, enthusiasm, graphics & technology-in-the-news in lecture • Fun, challenging projects & HW • Pro-student policies (exam clobbering) • To maintain Cal & EECS standards of excellence • Your projects & exams will be just as rigorous as every year. Overall : B- avg • To be an HKN “7.0” man • I know I speak fast when I get excited about material. I’m told every semester. Help me slow down when I go toooo fast. • Please give me feedback so I improve! Why am I not 7.0 for you? I will listen!!
Putting it all in perspective development cycle as the computer ne If the automobile had followed the sar Robert X Cringely Number Re presentation(5 Garcia, Spring 2007
CS61C L02 Number Representation (5) Garcia, Spring 2007 © UCB Putting it all in perspective… “If the automobile had followed the same development cycle as the computer, a Rolls-Royce would today cost $100, get a million miles per gallon, and explode once a year, killing everyone inside.” – Robert X. Cringely