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History of Computer Science

CHARLES BABBAGE

CHARLES BABBAGE

The earliest foundations of what would become computer science predate the invention of the modern digital computer. Machines for calculating fixed numerical tasks such as the abacus have existed since antiquity.

ADA LOVELACE

ADA LOVELACE

Ada Lovelace was an English mathematician and writer, chiefly known for her work on Charles Babbage's early mechanical general-purpose computer, the Analytical Engine. Her notes on the engine include what is recognised as the first algorithm intended to be carried out by a machine.

DENNIS RITCHIE

DENNIS RITCHIE

Dennis Ritchie was an American computer scientist.He created the C programming language and, with long-time colleague Ken Thompson, the Unix operating system.Ritchie and Thompson received the Turing Award from the ACM in 1983./p>

Areas of computer science

THEORITICAL COMPUTER SCIENCE

Theoritical CS

The broader field of theoretical computer science encompasses both the classical theory of computation and a wide range of other topics that focus on the more abstract, logical, and mathematical aspects of computing.

Theory of computation

Theory of computation

According to Peter J. Denning, the fundamental question underlying computer science is, "What can be (efficiently) automated?"[11] The study of the theory of computation is focused on answering fundamental questions about what can be computed.

Information and coding theory

Information and coding theory

Information theory is related to the quantification of information. This was developed by Claude E. Shannon to find fundamental limits on signal processing operations such as compressing data and on reliably storing and communicating data.

Computer networks

Concurrent, parallel and distributed systems

Concurrent, parallel and distributed systems

This branch of computer science aims to manage networks between computers worldwide.Concurrency is a property of systems in which several computations are executing simultaneously, and potentially interacting with each other.

Databases

Databases

A database is intended to organize, store, and retrieve large amounts of data easily. Digital databases are managed using database management systems to store, create, maintain, and search data, through database models and query languages.

Software engineering

Software Engineering

Software engineering is the study of designing, implementing, and modifying software in order to ensure it is of high quality, affordable, maintainable, and fast to build. It is a systematic approach to software design, involving the application of engineering practices to software.