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What is Computer Science?

What is Computer Science?. Study of the foundations of computing, data storage, and information processing Computer Science spans diverse areas: Security and cryptography Robotics and computer vision Data mining and databases Distributed and mobile systems Intelligent systems and gaming

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What is Computer Science?

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  1. What is Computer Science? • Study of the foundations of computing, data storage, and information processing • Computer Science spans diverse areas: • Security and cryptography • Robotics and computer vision • Data mining and databases • Distributed and mobile systems • Intelligent systems and gaming • Computational biology • Computer networks • Computer graphics and animation • More…

  2. How is CS different? • Computer scientists obtain a comprehensive foundation that permits them to adapt to as well as create new technologies, new paradigms and new ideas. • Foundation consists of: • Mathematics (problem solving, algorithms, calculus, discrete math) • Modeling (Object oriented programming, abstract data types, design patterns) • Systems (Computer architecture, operating systems, networks, foundations of programming languages) • Computer Scientists have flexible employment opportunities

  3. What Computer Scientists do? • Employed in top programming jobs • Invent new applications for computer systems • World Wide Web • Google search engine • Peer-to-Peer networks • Wireless systems • Develop better ways to solve computing problems • More secure ways to encrypt information • More efficient ways to send audio/video over the Internet

  4. What is Software Engineering? • Many Computer Scientists work in the software development industry. • Software is often developed by large developer teams that require all developers to use common approaches/rules/practices to software development • Software engineering is a field that studies and defines the best approaches/rules/practices for software development and maintenance

  5. A Sample of CS areas • Distributed systems development • Computer game software development • Database administration • Search engine technologies • Medical informatics (Prof. Raicu) • Web mining (Prof. Mobasher) • Security and privacy (Prof. Pitcher) • Please ask me about other CS areas.

  6. Distributed System development • A distributed system is software system that uses multiple independent computers communicating over a network to accomplish a common task. • Examples: • Email • Napster and SETI@home • World Wide Web • Online games • Grids

  7. A sample job listing (excerpts) Applications Developer - Computer Professional Department: Computing Division, Fermilab. • Must have software analysis, development, testing and debugging skills. • Excellence in distributed software development and integration using some or all of C++, Java, and Python is needed. • Experience with database systems … • Proven ability in oral and written communication is essential. • Demonstrated ability for analysis and resolution of problems in distributed and/or networked systems.

  8. Computer Game software development • Game software development requires an understanding of: • Mathematics • Computer graphics • Computer architecture • Operating systems • Network programming • Parallel processing

  9. A sample job listing (excerpts) Online Programmer Midway Games Inc, Chicago, IL • Responsibilities: • Design, define and develop the next generation of online gameplay and networking technology for multiple platforms. • Requirements: • Extensive knowledge of C++ programming. • Strong multithreaded/parallel programming … would be beneficial. • Effective analytical, written, oral, team, interpersonal, planning and organizing skills are essential. • Education: • Bachelors degree or higher in Computer Science is preferred.

  10. Database administration • Databases are used to store and organize data in ways to make insertion, search and retrieval of information efficient • Databases are used in the following industries • Financial industry • Search engines • Travel industry

  11. A sample job listing (excerpts) Title: Database Administrator, Chicago Mercantile Exchange Responsible for the administration of Oracle 10g RAC, Grid and ASM running on Sun Unix or Linux operating systems. Must be able to implement databases on Unix and Linux platforms. Requirements: • In depth knowledge in the works of Oracle 10g, RAC, ASM and Grid, TOAD, DB2 and SQL Server a plus • Experience in a very high transaction rate OLTP applications required • Working knowledge of Linux and Unix operating systems are required. NT and MVS is a plus.

  12. Search Engine Technologies • A Search Engine is a computer program that is used to find information stored in a software system such as the World Wide Web • How does a search engine return web pages that are relevant to the query? • Technologies include: databases, distributed systems, artificial intelligence, networking etc.

  13. A sample job listing (excerpts) Openings in Software Engineering, Google We need world-class engineers to join our engineering team in developing our next-generation search engine (…) Working on problems in (…) cutting-edge information retrieval algorithms, scalability issues related to dealing with huge amounts of data…, and a variety of novel search features. Requirements: • Enthusiasm for solving interesting problems. • Experience with Unix/Linux or Windows environments, C++ development, distributed systems, machine learning, information retrieval, network programming…

  14. The Bachelor of Science in Computer Science • Mathematical tools • Problem solving, algorithms, and structured programming • Modeling and object oriented programming • Computer Systems • Communication skills • Senior Capstone

  15. Advanced Coursework • Theory • Data storage • Computer Systems • Data analysis and mining • Artificial intelligence • Computer vision • Human computer interaction • Computer gaming • Software engineering • Computer graphics and animation • Computational Sciences • Network programming • and more to come…

  16. Sample CS topics covered at CTI • How does Google work and why is it such a good search engine? • How does a computer beat the World Chess Champion? • How does information get routed on the Internet? • How does encryption work and how can encrypted messages be broken? • How do the Mars robots see and process the landscape around them?

  17. Sample CS topics covered at CTI • How does one protect a system against an attack? • How are players synchronized in an online computer game? • What techniques are being developed to increase the speed of microprocessors? • What makes a Graphical User Interface user-friendly? • What problems are Computer Scientists currently solving in the field of Computational Biology?

  18. Software Engineering Concentration • This concentration integrates: • the foundational Computer Science material with • engineering practices developed for building and maintaining software applications. • Six additional SE courses.

  19. Current Career Outcomes Average salary of a DePaul 2006 CS graduate: $50,833

  20. Career Outcomes (BLS data)

  21. Career Outcomes The number of students entering the CS field is at historical lows = More opportunities when you graduate

  22. Career Job growth Average pay 1 Software engineer 46.07% $80,427 2 College professor 31.39% $81,491 3 Financial advisor 25.92% $122,462 4 HR manager 23.47% $73,731 5 Physician assistant 49.65% $75,117 6 Market research analyst 20.19% $82,317 7 Computer/IT analyst 36.10% $83,427 8 Real estate appraiser 22.78% $66,216 So, why choose CS? Source: Money Magazine, April 12, 2006

  23. Rank Team Rank Team 1 MIT 7 Duke 2 Princeton 7 Carnegie Mellon 3 DePaul 7 Georgia Tech 4 Caltech 7 Virginia Tech 4 Maryland, Coll.P. 7 Rice 4 Washington, St.L. 7 Wisconsin, Mad. And why choose CS at CTI? • Because our students are successful! • Ranking of the top 12 US teams at the 2006 World Programming Contest:

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