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UPenn - COGSCI - 501
Variable Rules: Performance as a Statistical Reflection of Competence Henrietta J. Cedergren; David Sankoff Language, Vol. 50, No. 2. (Jun., 1974), pp. 333-355.Stable URL: http:/links.jstor.org/sici?sici=0097-8507%28197406%2950%3A2%3C333%3AVRPAAS%3E
UPenn - LING - 001
Linguistics 001 Mid-term ExamOctober 25-30, 2000 Your Name Your SSN This Linguistics 001 midterm exam is take-home but closed book. It consists of multiple-choice and short ll-in questions, and is designed to be taken in a one-hour session, just as
UPenn - LING - 001
Linguistics 001 Mid-term ExamYour Name Your SSNPart oneIn this rst section of the exam, each answer is worth one point, for a total of 20 points. 1. In Formal Language Theory, a language is modeled as a a list of lexical categories b a syntactic
UPenn - LING - 106
Finite State AutomataLing 106 September 25, 2003 1. Syntax: Combining Words to Build Sentences How do speakers of a language put together a finite number of discrete elements (e.g. words) to generate infinite number of sentences? 1.1. Memorization L
UPenn - CIT - 594
State-Space SearchesState spacesA state space consists ofA (possibly infinite) set of states The start state represents the initial problem Each state represents some configuration reachable from the start state Some states may be goals
UPenn - CIT - 595
Cache The purpose of cache memory is to speed up data accesses for processor by storing information in faster memory made of SRAMCacheCIT 595 Spring 2007SRAM access time is 3ns to 10ns DRAM access time is 30ns to 90ns The data stored in cache
UPenn - CIT - 595
Course OverviewCIT 595 Spring 2007INTRODUCTIONCIT 5951- 1CIT 5951- 2Digital Systems Organization & Design A digital system is one that uses discrete values (often electrical voltages)Esp. those representable as binary information or fi
UPenn - CIT - 595
Disk as Secondary StorageConvenient for storing: Rewritable: data can be read from a sector, modified and written back into same place Random/Direct Access: each sector can be accessed independently of other sectors data need not be stored in cont
UPenn - CIT - 595
Computer Components Computer components are made from both combinational and sequential logic circuits We will apply the knowledge of Boolean Algebra to realize these circuits First we will look at Combinational Logic CircuitCombinational Logic
UPenn - CIT - 595
Motivation for Examining Performance Hardware performance is often key to the effectiveness of an entire system of hardware and software Why certain piece of software performs the way it does? Why one instruction set can be implemented to perform
UPenn - CIT - 595
What is System Software? System Software is a generic term referring to any computer software which manages and controls the hardware so that application software can perform a taskSystem Software Part ICIT 595 Spring 2007 It is an essential p
UPenn - CIT - 595
Motivation for Virtual Memory A process is an instance of a computer program that is being executed MonoprogrammingOne process in memory at a time runs till completion With OS as supervisorVirtual Memory (VM)CIT 595 Spring 2007 What if proces
UPenn - CIT - 595
Big Picture: Where are we now? We will focus on memory organization Understand how the organization affects the system performanceMemoryProcessor InputCIT 595 Spring 2007Control Memory DatapathOutputVon Neumann ModelCIT 59511 - 2Ki
UPenn - CIT - 595
Magnetic Disk Physical Structure Each platter (disc-shaped) is coated with magnetic material on both surfacesDisk StorageCIT 595 Spring 2007 Each platter surface has arm extended from fixed position Tip of the arm contains read/write head for
UPenn - CIT - 593
Combinational: AdderAdder A and B are operands S is the result of the addition Write now we are not interested in how it works (CIT 595 goes in detail)Basic ComponentsnAnSnBBased on slides McGraw-Hill Additional material 2004/2005
UPenn - CIT - 07
Input/Output: Connecting to the Outside WorldSo far, weve learned how toCompute with values in registers Move data between memory and registersChapter 8 Input/OutputBased on slides McGraw-Hill Additional material 2004/2005 Lewis/Martin Modifie
UPenn - CIT - 593
Input/Output: Connecting to the Outside WorldSo far, weve learned how toCompute with values in registers Move data between memory and registersChapter 8 Input/OutputBased on slides McGraw-Hill Additional material 2004/2005 Lewis/Martin Modifie
UPenn - CIT - 593
Source files in C C files have the extension .c There are can multiple .c files but only one file can contain the function main() C Tutorial 1 This is because main() is entry point of your program There is no restriction on the name of your source
UPenn - CIT - 07
The Course Thus FarWe did data representationBits, bytes, integers, floating, characters Ultimately, to understand ISAChapter 11 Introduction to Programming in CWe did assembly language programmingRather than 1s & 0s, deal in human readable fo
UPenn - CIT - 593
The Course Thus FarWe did data representationBits, bytes, integers, floating, characters Ultimately, to understand ISAChapter 11 Introduction to Programming in CWe did assembly language programmingRather than 1s & 0s, deal in human readable fo
UPenn - CIT - 07
SubroutinesCore operations: 1) callers passes parameters to callee and the control is transferred to calleeImplementing Functions at the Machine Level(section 12.5 and 14.3)2) the callee does its task 3) a return value is passed back to caller
UPenn - CIT - 593
SubroutinesCore operations: 1) callers passes parameters to callee and the control is transferred to calleeImplementing Functions at the Machine Level(section 12.5 and 14.3)2) the callee does its task 3) a return value is passed back to caller
UPenn - CIT - 07
Human-Computer Interface Design and Usability Testing Audrey Troutt and Daniel Sheiner CIT 595, Spring 2007AbstractUsability is an important topic for software developers, yet even now, despite over thirty years of research and discussion on huma
UPenn - CIT - 595
Human-Computer Interface Design and Usability Testing Audrey Troutt and Daniel Sheiner CIT 595, Spring 2007AbstractUsability is an important topic for software developers, yet even now, despite over thirty years of research and discussion on huma
UPenn - CIT - 593
C to/from LC3CIT 5931Example 1int main() { int a = 0; int b = 5; int b = 2; int d = 1; a = b + c + d; }Assume that, a, b, c, d are initialized for you Write the LC3 code for a=b+c+dAnswer on next slide.2Solution Example 1a=b+c +dR5L
UPenn - CIT - 595
Sequential Logic CircuitsOutput depends on stored information (current state) and may be on current inputsExample:state = Score board of basketball game (number of points, time remaining, possession) input = which team scored the point output =
UPenn - CIT - 07
Data StructuresC allows a programmer to build a type that is a combination of more basic data type The collection of basic data types is called as data structureChapter 19 Data StructuresBased on slides McGraw-Hill Additional material 2004/2005
UPenn - CIT - 593
Data StructuresC allows a programmer to build a type that is a combination of more basic data type The collection of basic data types is called as data structureChapter 19 Data StructuresBased on slides McGraw-Hill Additional material 2004/2005
UPenn - CIT - 595
Motivation for Examining PerformanceHardware performance is often key to the effectiveness of an entire system of hardware and software Why certain piece of software performs the way it does? Why one instruction set can be implemented to perform bet
UPenn - CIT - 07
Assembly: Human-Readable Machine LanguageComputers like ones and zeros 0001110010000110 Humans like readable form Chapter 7Assembly LanguageADDOpcodeR6, R2, R6Dest Src1 Src2; increment index reg.CommentAssembler A program that turns h
UPenn - CIT - 593
Assembly: Human-Readable Machine LanguageComputers like ones and zeros 0001110010000110 Humans like readable form Chapter 7Assembly LanguageADDOpcodeR6, R2, R6Dest Src1 Src2; increment index reg.CommentAssembler A program that turns h
UPenn - CIT - 07
I/OFrom chapter 8 we know that I/O access is privileged as it involves accessing device registers. Normal programs asks another privileged program such as OS to perform I/O on its behalfChapter 18 I/O Part IBased on slides McGraw-Hill Modified
UPenn - CIT - 593
I/OFrom chapter 8 we know that I/O access is privileged as it involves accessing device registers. Normal programs asks another privileged program such as OS to perform I/O on its behalfChapter 18 I/O Part IBased on slides McGraw-Hill Modified
UPenn - CIT - 595
Outsourcing:The Rise of the EastHardware and Software JobsToday, if you tell people youre a programmer, theyll ask you how long you have until your employment benefits run out. Bill Blunden What is the future of American IT jobs? What are the
UPenn - CIT - 595
EvolvableHardwareBrenda Lin Mai IrieEvolvableHardware?!?In Most Simplest Terms: Reconfigurable Device + Evolutionary AlgorithmOkayWhat would you use it for? Circuit Design for Problems That are Difficult to Solve Using Conventional Methods Au
UPenn - CIT - 595
NoraApsel AdamRothblattWhat is User Interface Design? The process of planning and designing how users interact with computer systems. Applies to a wide variety of systems. Examples: Software Websites Remote Controls KiosksHuman-Computer In
UPenn - CIT - 07
Parallel Architectures in BiotechnologyNina Baron-HionisParallel Architecture OverviewTaxonomy SISD SIMD MISD MIMDCentralized Shared Memory Fewer then 3 dozen processors Share a single memory No processor has priority to use Does n
UPenn - CIT - 595
Parallel Architectures in BiotechnologyNina Baron-HionisParallel Architecture OverviewTaxonomy SISD SIMD MISD MIMDCentralized Shared Memory Fewer then 3 dozen processors Share a single memory No processor has priority to use Does n
UPenn - CIT - 593
#before: data1#Location Valuebf8ed457 abf8ed458 bbf8ed459 cbf8ed45a dbf8ed45b e#before: data2#bf8ed452 abf8ed453 bbf8ed454 cbf8ed455 dbf8ed456 ebf8ed
UPenn - CIS - 110
Midterm Grading Guidelines1a) All or nothing1b) -2 if no explanation -1 or -2 depending on the reasoning1c) -1 point for not providing definition of a constant -1 point for incorrect example of a constant3) -1 for saying only odd fo
UPenn - CIS - 110
CIS110 Summer 2008 Final Grading Guidelines1a,b,d All or nothing1c. -2 if 0 is not one of the answer -2 if n*(n+1) is not one of the answers2. -2 for each wrong true/false3a, b, c. -1.5 for wrong reason -1 for wrong location of
UPenn - CIS - 110
-Final base score stats:-min: 44.00max: 86.00mean: 67.92median: 70.50modes: [ there are too many ]std_dev: 11.70Histogram: 85.5- 90.0 : * 81.0- 85.5 : * 76.5- 81.0 : * 72.0- 76.5 : * 67.5- 72.0 : * 63.0- 67.5 : * 58.5- 6
UPenn - CIS - 110
-Midterm base score stats:-min: 35.00max: 64.50mean: 50.95median: 50.50modes: [47.00;55.50]std_dev: 8.84Histogram: 66.5- 70.0 : 63.0- 66.5 : * 59.5- 63.0 : * 56.0- 59.5 : 52.5- 56.0 : * 49.0- 52.5 : * 45.5- 49.0 : *
UPenn - CIS - 110
-Homework: Number Personalities base score stats:-min: 34.00max: 100.00mean: 84.48median: 92.00modes: [92.00;96.00;100.00]std_dev: 18.99Histogram: 95.0-100.0 : * 90.0- 95.0 : * 85.0- 90.0 : * 80.0- 85.0 : * 75.0- 80.0 :
UPenn - CIT - 07
Pointers and ArraysWe've seen examples of both of these in our LC-3 programs; now we'll see them in CChapter 16 Pointers and ArraysBased on slides McGraw-Hill Additional material 2004/2005 Lewis/Martin Modified by Diana PalsetiaPointerAddres
UPenn - CIT - 593
Pointers and ArraysWe've seen examples of both of these in our LC-3 programs; now we'll see them in CChapter 16 Pointers and ArraysBased on slides McGraw-Hill Additional material 2004/2005 Lewis/Martin Modified by Diana PalsetiaPointerAddres
UPenn - CIT - 593
Basic C ElementsVariables A data item upon which the programmer performs an operationChapter 12 Variables and OperatorsOperators Predefined actions performed on data items Combined with variables to form expressions, statementsBased on slid
UPenn - CIT - 593
What to expect?1.5 Hour Exam, Closed book and notes Anything specific needed will be provided LC3 ISA instructions ASCII tableFinal Exam ReviewConcentrate on material after midterm Similar format seen on quizes and midterm But LC3 ISA instru
UPenn - CIT - 595
HOMEBREW COMPUTING AND THE NINTENDO DS:Programming and Controlling a Dedicated-Purpose Computer SystemCraig Schroeder and Luke Walker CIT 595, University of Pennsylvania April 28, 2008ABSTRACTPortable video game systems are not only a multibill
UPenn - CIT - 07
RAIDTechnologyandDataStorageTodayJeffreyDoto BrandonKrakowskyth April15 ,2007AbstractWithinformationgenerationanddatatransferspeedatanalltimehigh,datastorageis fastbecomingoneofthefastestgrowingindustriesintheworld.Enterpriselevel corporations,e
UPenn - CIT - 595
RAIDTechnologyandDataStorageTodayJeffreyDoto BrandonKrakowskyth April15 ,2007AbstractWithinformationgenerationanddatatransferspeedatanalltimehigh,datastorageis fastbecomingoneofthefastestgrowingindustriesintheworld.Enterpriselevel corporations,e
UPenn - CIT - 07
CIT 595Grid ComputingVincent PoonUniversity of PennsylvaniaOby SumampouwUniversity of PennsylvaniaABSTRACT Grid computing brings the diverse resources of multiple administrative domains to bear on large scale computing problems. Recent advan
UPenn - CIT - 595
CIT 595Grid ComputingVincent PoonUniversity of PennsylvaniaOby SumampouwUniversity of PennsylvaniaABSTRACT Grid computing brings the diverse resources of multiple administrative domains to bear on large scale computing problems. Recent advan
UPenn - CIT - 595
System Software: Programming ToolsProgramming tools carry out the mechanics of software creation within the confines of the operating system and hardware environmentProgramming ToolsCIT 595 Spring 2008These include:Compiler & Assembler Transla
UPenn - CIT - 07
CIT595 ProjectA Study of Wearable ComputingBy: Fatima Boujarwah Laxmi Nair Kok Sung WonAbstractAs computers move from the desktop, to the palm top, and onto our bodies and into our everyday lives, infinite opportunities arise to realize applic
UPenn - CIT - 595
CIT595 ProjectA Study of Wearable ComputingBy: Fatima Boujarwah Laxmi Nair Kok Sung WonAbstractAs computers move from the desktop, to the palm top, and onto our bodies and into our everyday lives, infinite opportunities arise to realize applic
UPenn - CIT - 593
I/OFrom chapter 8 we know that I/O access is privileged as it involves accessing device registers. Normal programs asks another privileged program such as OS to perform I/O on its behalfChapter 18 I/O in C + MiscBased on slides McGraw-Hill Modif
UPenn - CIT - 595
Microprogrammed ControlEach machine instruction is in turn implemented by a series of instructions called microinstructions A microinstructions encodes Control signal for carry out a particular stage in the instruction cycle Next (likely) microinst
UPenn - CIT - 595
Speech RecognitionAlexis Baird and Michael Gibney CIT595 Final Project Proposal April 28th, 2008Table of ContentsSample Speech Recognizer Outputpage 3 Introduction.page 4 Applications.page 4 From Analog to Digital.page 5 Analysis of Phonemes.pag
UPenn - CIT - 595
MotivationData that is either transmitted over communication channel (e.g. bus) or stored in memory is not completely error freeError Detection and CorrectionCIT 595 Spring 2008Error can caused by: 1. Transmission ErrorsSignal distortion or at