COMPUTER SCIENCE CAREERS AND DATA ANALYSIS SPEAKER


Teaching Nika August 25, 2005

Mr. David Quakenbush Presentation

August 24, 2005

Multimedia Mrs. North

 

OBJECTIVE:

Understand application of multimedia and data analysis in the work world.

NOTES :

 

Algorithms Birthday example

Which algorithm requires fewer questions? speed for computer applications

         N(N-1) / 2 - formula used for adding numbers from 1 to a Number, N

         365N

When is the quadratic formula more efficient?

When is the linear equation more efficient?

 

Data Base

What does Excel create? Rows and Columns

In a data base table each row must have unique data unique part is called a KEY

         Is a name a good idea for a KEY?

         Is a social security number a good idea for a KEY?

         Is a phone number a good idea for a KEY?

         What can be used instead of taking up space for a city and state?

o       Tables need to be linked a zip code can be a key

Sample Data Base Harris County Appraisal District : http://www.hcad.org/

        Check value of your house, neighbors, WHS staff .

 

Computer Scientist looks for fastest way to solve a problem.

Computer Scientist Careers:

1)      Web Site Designer

         Web pages for Martha Stewart and a Rap Artist

      Know your audience

      What is different for each web page?

         Content Data / Organization / Design http://teachertech.rice.edu/Participants/knorth/TS/rulesdpwp.htm

         How get paid when people go to a web site?

      Advertising

      Stock Sales

2)      Modeler Sim City, Mario Brothers, Flight Simulator

3)      Business Application

4)      Computer Engineer

         Robotics combines modeling and engineering.

 

Languages of computers

=    Lower level languages: - fast and efficient with memory, slow to write

o       Assembly bits, bytes

o       Machine Language 0&1s

=    Higher Level Languages

o       Reuse code, as code is expensive.

=    Applications written in a high level language