CS 101

1
CS 101 Aug. 26

• Definition of computer CS
• Making good decisions
• Computer organization
• A little history
• Please read Chapter 1 in book.
• Tomorrows lab lets meet first here in 204.

2
Computer definition

• An electronic device that can retrieve, store and
  process data
• You can do these things too!
• What is the difference?

3
Computer science

• Systematic study of how we
• solve problems
• represent manipulate information
• Computer has large memory and fast brain
  ideal for testing theories

4
Good decisions

• Correct (not misleading)
• Relevant
• Significant (dont play weak cards)
• Complete/thorough
• Consider alternatives, suggest future work
• Reasonable
• Balance between acceptable ideal

5
Computer organization

• Definition gives hint on how a computer is
  organized
• Retrieve/store data computers memory
• Process data the CPU
• Communication is also essential
• I/O devices
• network

6
Hardware vs. Software

• CPU
• Memory
• Peripherals
• network

• Helps us interact with the machine
• Gives it soul or behavior
• Translates to/from machine language