1. EBIZ 509 Foundations of E-Business

2. 2 © UW Business School, University of Washington 2004 Agenda Today Class schedule and class plan Basic computer concepts

3. 3 © UW Business School, University of Washington 2004 Bit and Byte The decimal number –Base-10 number system –Example: 6357 = (6 * 10^3) + (3 * 10^2) + (5 * 10^1) + (7 * 10^0) The binary number system (base 2) uses only two digits 0, and 1 Byte: 8 bits

4. 4 © UW Business School, University of Washington 2004 Transistor Transistors are made silicon – semiconductor They are the center of all computer systems Transistor can act as am amplifier, or a switch representing “on” and “off”.

5. 5 © UW Business School, University of Washington 2004 Computer Chip A computer chip is an integrated circuit with thousands (millions) of transistors. Transistors, acting as switches, can perform binary mathematical calculations. A microprocessor, also known as a CPU, is a complete computation engine that is fabricated on a single chip.

6. 6 © UW Business School, University of Washington 2004 Moore’s Law

7. 7 © UW Business School, University of Washington 2004 Computer Memory RAM (random access memory) - an area of the computer that temporarily holds data before and after it is processed RAM components vary in speed, technology, and configuration SDRAM (Synchronous Dynamic RAM) Other memory –ROM –BIOS

8. 8 © UW Business School, University of Washington 2004 Software System software –Operating system –Device drivers –Programming language Application software –DBMS –ERP –Office –…

9. 9 © UW Business School, University of Washington 2004 Operating Systems Interacts with application software, device drivers & hardware to manage computers resources Multitasking – managing processes Communication GUI (graphical user interface) Issues –Applications are generally operating system specific –Strong network effect

10. 10 © UW Business School, University of Washington 2004 Supply (Value) Chain Semiconductor Computer Manufacturing Operating Systems Application Software