Computer Science Lectures

Posted by Hollywood Updates

Greetings everyone! A new month and a new post on free science online. This month I have a bunch of computer science video lectures.

Video lectures include: basics of computation theory, intro to computer science, data structures, compiler optimization, intro to computers and internet, intro to clojure, and some videos from EECS colloquium at Case Western Reserve University.

Higher Computing (University of New South Wales, by Richard Buckland, COMP1917)

Higher Computing Video Lectures

Course description:
This is the introductory course for computer science at UNSW. This course consists of three strands: programming, systems, and general computer-science literacy. The programming strand is further divided into two parts. For the first half of the course we cover small scale programming, in the second half we look at how to effectively use teams to produce more substantial software. In the systems strand we will look at how computers work. Concentrating on microprocessors, memory, and machine code. In the literacy strand we will look at topics drawn from: computing history, algorithms, WWW programming, ethics and law, cryptography and security, and other topics of general interest. The strands will be covered in an intermingled fashion.

Course topics:
Higher Computing. Inside a computer. Machine Code. Simple C Program. Clarity (C programming #2). Solving Problems. Side Effects. A simple recursive function. The Amazing Alan Turing. The Turing Test. Frames. Arrays. Pass by reference. Game design. Everything you need to know about pointers. Sudoku solver. Stack Frames. eXtreme Programming. VS programming. Programming in the Large. Stress. Random Numbers. The Trouble with Concrete Types. Abstract Data Types in C. Blackadder and Baldrick. ADT. Steganography (hidden messages). Don't give up. File I/O. Linked lists. Experimenting with CMOS. Complexity & Trees. Errors, Risks, Snarks, Boojums. Taste of Graphics. Sample Tree Code: loop detection. Ethics. Hamming Error Correcting Code. Professionalism. What makes a good programmer? Learning and Teaching Computing. Coding samples.

Introduction to Computer Science (Harvard, professor David J. Malan)

Intro to Comp. Sci. Video Course

Course description:
Introduction to Computer Science I is a first course in computer science at Harvard College for concentrators and non-concentrators alike. More than just teach you how to program, this course teaches you how to think more methodically and how to solve problems more effectively. As such, its lessons are applicable well beyond the boundaries of computer science itself. That the course does teach you how to program, though, is perhaps its most empowering return. With this skill comes the ability to solve real-world problems in ways and at speeds beyond the abilities of most humans.

Course topics:
How Computers Work, Binary. Introduction to Programming and Scratch. Threads and Programs with Multiple Scripts. Binary Numbers, Programming Languages, Working in Linux, and Programming in C. Secure File Transfer, Variable Types, and Arithmetic Operators. Standard Input Functions, Boolean Expressions, and Loops. Cryptography, Bugs, Integer Casting, and Functions. Local and Global Variables, the Stack, Return Values, and Arrays. Strings as Arrays, Command-Line Arguments, and more Cryptography. Run Times and Algorithms, Recursion. Sorting: Bubble Sort, Selection Sort, and Merge Sort. Hardware, Processors, and Implications for Software. Greedy Algorithms, Software Design and Debugging. Pointers. Pointers and Arrays, Dynamic Memory Allocation. Pointer Arithmetic, Structures, File I/O. Linked Lists. Inserting and Deleting Elements in Linked Lists, Doubly-Linked Lists. Hash Tables, Dealing with Collisions. Pointers to Pointers, Binary Search Tree, Tries, Heaps. Heapsort, Jeopardy. Huffman Coding Theory. Bitwise Operators, Underneath the Hood - From Code to Executable File. Dangerous Functions, Secure Code. The Internet and Webpages - HTTP and XHTML. Introduction to PHP. User Input, Setting up a Login Page, SQL. Threats. Introduction to LISP. Brief Introduction to System Programming and Machine Organization. Conclusions.

Data Structures (Berkeley, professor Paul Hilfinger)

Data Structures Video Lectures

Course description:
Fundamental dynamic data structures, including linear lists, queues, trees, and other linked structures; arrays strings, and hash tables. Storage management. Elementary principles of software engineering. Abstract data types. Algorithms for sorting and searching. Introduction to the Java programming language.

Course topics:
Developing a Simple Program. More on Simple Programs. Values and Containers. Simple Pointer Manipulation. Arrays and Objects. Object-Oriented Mechanisms. Interfaces and Abstract Classes. Abstract Methods and Classes, Continued. Examples of Interfaces. Misc. Support for Abstraction; Exceptions. Numbers. Algorithmic Analysis. Collections Overview. Paradox of Voting. Resource Curse. Getting a View - Sublists. Data Structures Exam Review. Trees. Trees, Searching. Generic Programming. Priority Queues, Range Queries. Hashing. Sorting. Balanced Search Structures. Pseudo-Random Sequences. Backtracking Search, Game Trees. Enumeration Types, Threads, and Concurrency. Graphs, Introduction. Graphs, Minimal Spanning Trees, Union-find. Dynamic Programming. Storage Management. Storage Management, Continued, Reflection. Data Structures Course Summary.

Compiler Optimization

Compiler Optimization Video Lectures

Course description:
This course introduces students to modern techniques in efficient implementation of programming languages. Modern processors and systems are designed based on the assumption that a compiler will be able to effectively exploit architectural resources. This course will examine in detail techniques to exploit instruction level parallelism, memory hierarchy and higher level parallelism. It will examine classic static analysis approaches to these problems and introduce newer feedback directed and dynamic approaches to optimisation.

Course topics:
Scalar Optimisation - Redundant Expressions. Scalar Optimisation - Dataflow Framework and SSA. Code Generation. Instruction Scheduling. Register Allocation. Dependence Analysis. Program Transformations. Vectorisation. Parallelisation. Adaptive and Profile Directed Compilation. Iterative + Dynamic Compilation. Dynamic Compilation. Machine Learning based Compilation.

Understanding Computers and the Internet

Understanding Computers and the Internet Videos

Video course description:
This course is all about understanding: understanding what's going on inside your computer when you flip on the switch, why tech support has you constantly rebooting your computer, how everything you do on the Internet can be watched by others, and how your computer can become infected with a worm just by turning it on. In this course we demystify computers and the Internet, along with their jargon, so that students understand not only what they can do with each but also how it all works and why. Students leave this course armed with a new vocabulary and equipped for further exploration of computers and the Internet. Topics include hardware, software, the Internet, multimedia, security, website development, programming, and dotcoms. This course is designed both for those with little, if any, computer experience and for those who use a computer every day.

Course topics:
Hardware - Computation. Overview. Bits and bytes. ASCII. Processors. Motherboards: buses, connectors, ports, slots, and sockets. Memory: ROM, RAM, and cache. Secondary storage: floppy disks, hard disks (PATA and SATA), CDs, and DVDs. Virtual Memory. Expansion buses and cards: AGP, ISA, PCI, PCI Express, and SCSI. I/O devices. Peripherals. How to shop for a computer. History. The Internet - Networks: clients and servers, peer-to-peer, LANs and WLANs, the Internet, and domains. Email: addresses; IMAP, POP and SMTP; netiquette; spam; emoticons; snail mail; and listservs. SSH. The World Wide Web: URLs and HTTP. Blogs. Instant messaging. SFTP. Usenet. Network topologies. The Internet: backbones, TCP/IP, DHCP, and DNS. NAT. Ethernet: NICs, cabling, switches, routers, and access points. Wireless: IR, RF, Bluetooth, and WiFi. ISPs. Modems: dialup, cable, and DSL. Multimedia - Graphics: file formats, bitmaps and vectors, and compression. Audio: file formats and compression. Video (and audio): file formats and compression. Streaming. Security - Threats to privacy: cookies, forms, logs, and data recovery. Security risks: packet sniffing, passwords, phishing, hacking, viruses and worms, spyware, and zombies. Piracy: WaReZ and cracking. Defenses: scrubbing, firewalls, proxy servers, VPNs, cryptography, virus scanners, product registration and activation. Website Development - Webservers: structure, permissions, and implementations. Static webpages: XHTML, well-formedness, and validity. Dynamic webpages: SSIs, DHTML, AJAX, CGI, ASPs, and JSPs. Programming - Pseudocode. Constructs: instructions, variables, conditions, branches, and loops. Languages: interpreted and compiled. Scratch.


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