PPT-CMPT

120 Algorithms Summer 2012 Instructor Hassan Khosravi Searching Searching is an important program in computing Searching is the problem of looking up a particular value in a list or other data structure You generally want to find the value if its there and determine its position. Introduction to Operating Systems. . Cache. Acknowledgement: some slides are taken . from CS61C course . material at UC Berkeley. Agenda. Memory Hierarchy. Direct Mapped Caches. Cache Performance. Set Associative Caches. Dr. Alexandra Fedorova. Lecture . X. : . Transactions. Transactions. A transaction is a collection of actions logically belonging together. To the outside world, a transaction must appear as a . single indivisible operation. Introduction to Operating Systems. . Introduction to Deadlocks. Acknowledgement: some slides are taken from Anthony D. Joseph’s course material at UC Berkeley . and Dr. Janice Reagan’s course material at SFU. CMPT 454: Database Systems II.. Transaction Management.. Query Planning.. Optional topics, e.g. data mining, information retrieval, OLAP.. CMPT 470: Web-based Info Systems.. Ch.7, some of Ch.6, like Assignment 3.. (CMPT 354 Data Communications and Networking. Network Layer. ICMP . and fragmentation. © Janice Regan, 2007-2012. 1. IPv4 Protocol Header. Protocol. transport layer. Header. checksum. TTL. Source IP address. Destination IP address. Introduction to Operating Systems. . Security. Security. The security environment. Basics of cryptography. User authentication. Attacks from inside the system. Attacks from outside the system. Protection mechanisms. Phase: Design. Janice Regan, 2008. 2. Map of design phase. DESIGN. HIGH LEVEL. DESIGN. Modularization. User Interface. Module Interfaces. Data. . Persistance. Subsystem. User Manual. architecture. Oliver Schulte. Introduction to . Artificial Intelligence. topics. Intelligent Agents . uninformed and informed search . Constraint Satisfaction Problems . Game playing . First-order Logic . Reasoning under uncertainty . Networking II. Multicasting protocols. © Janice Regan, 2006. 2. State machine for an entry in host's multicast route table. Comer 2000: fig 17.4. © Janice Regan, 2006. 3. IGMP states: 1. Consider a router with at least one host on a connected network that is a member of a particular multicast group. . Operating Systems. Processes. Multiprogramming. When multiple programs share the same processor . An example of . pseudoparallelism. Processes share processor (each get a short turn) so that in a perceptible length of time it appears processes run in parallel . . Mutual Exclusion. © Janice Regan, CMPT 300, 2007-2016 . 1. Implementation. Now we have the basic ideas we need. How do we actually implement mutual exclusion?. There are several approaches. Interrupt disabling. Summer 2012. Instructor: Hassan . Khosravi. Defining Functions. We have already seen how several functions work in Python. raw_input. ,. range, . int. , and . str. A function must be given arguments. . Understand how the Fibonacci series is generated. Recursive Algorithms. Write simple recursive algorithms. Analyze simple recursive algorithms. Understand the drawbacks of recursion. Name other recursive algorithms and data structures.