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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.
LECTURES
Lecture 1 - How Computers Work, Binary
Lecture 2 - Introduction to Programming and Scratch
Lecture 3 - Threads and Programs with Multiple Scripts
Lecture 4 - Binary Numbers, Programming Languages, Working in Linux, and Programming in C
Lecture 5 - Secure File Transfer, Variable Types, and Arithmetic Operators
Lecture 6 - Standard Input Functions, Boolean Expressions, and Loops
Lecture 7 - Cryptography, Bugs, Integer Casting, and Functions
Lecture 8 - Local and Global Variables, the Stack, Return Values, and Arrays
Lecture 9 - Strings as Arrays, Command-Line Arguments, and more Cryptography
Lecture 10 - Run Times and Algorithms, Recursion
Lecture 11 - Sorting: Bubble Sort, Selection Sort, and Merge Sort
Lecture 12 - Hardware, Processors, and Implications for Software
Lecture 13 - Greedy Algorithms, Software Design and Debugging
Lecture 14 - Pointers
Lecture 15 - Pointers and Arrays, Dynamic Memory Allocation
Lecture 16 - Pointer Arithmetic, Structures, File I/O
Lecture 17 - Linked Lists
Lecture 18 - Inserting and Deleting Elements in Linked Lists, Doubly-Linked Lists
Lecture 19 - Hash Tables, Dealing with Collisions
Lecture 20 - Pointers to Pointers, Binary Search Tree, Tries, Heaps
Lecture 21 - Heapsort, Jeopardy!
Lecture 22 - Huffman Coding Theory
Lecture 23 - Bitwise Operators, Underneath the Hood - From Code to Executable File
Lecture 24 - Dangerous Functions, Secure Code
Lecture 25 - The Internet and Webpages - HTTP and XHTML
Lecture 26 - Introduction to PHP
Lecture 27 - User Input, Setting up a Login Page, SQL
Lecture 28 - Threats, Part 1
Lecture 29 - Threats, Part 2
Lecture 30 - Introduction to LISP
Lecture 31 - Brief Introduction to System Programming and Machine Organization
Lecture 32 - Conclusions