Foundations of Computer Science

These computer science notes offer a comprehensive introduction to key concepts in computing, including input/output, numerical systems, character encoding, algorithms, and pseudocode. They begin by explaining the basics of input/output and the devices commonly used for these purposes. From there, the notes delve into different numerical systems and their uses in computing, including unary, binary, and decimal. The notes also cover character encoding, discussing the differences between ASCII and Unicode and their importance in modern computing. The final section focuses on algorithms and their implementation using pseudocode. Different types of algorithms are explored, including searching and sorting algorithms. Overall, these notes provide a solid foundation in computing for students and professionals alike. Whether you are new to the field or looking to refresh your knowledge, they offer a comprehensive overview of essential concepts and tools. With clear explanations and examples, these notes are an invaluable resource for anyone seeking to deepen their understanding of modern computing systems.