What do you really need to know about

What do you really need to know about computers today? Where are we in development? CPSC 203 1

Video: Machine That Changed The World ¡ Episode 1 Giant Brains CPSC 203 2

Computers have become pervasive ¡ important ¡ critical to the economy ¡ CPSC 203 3

ENIAC CPSC 203 4

ENIAC 30 feet 50 feet CPSC 203 5

Kinds of Computers Personal computer ¡ Handheld (PDA) ¡ Workstation ¡ Mainframe ¡ Supercomputer ¡ CPSC 203 6

Personal computers IBM, Dell, HP, Apple Macintosh ¡ Windows XP, Mac. OS ¡ single user ¡ cheap ¡ mass market software ¡ CPSC 203 7

Notebooks more expensive ¡ battery constraints ¡ docking stations ¡ same manufacturers ¡ same operating systems ¡ CPSC 203 8

Handheld PDA – personal digital assistant ¡ Palm, HP, RIM Blackberry ¡ Palm OS, Windows for Handheld ¡ application: addresses, appointments, memo, wireless service with email, … ¡ CPSC 203 9

Workstation more computing power ¡ more expensive ¡ single-user but networked ¡ Sun, Silicon Graphics (SGI), IBM ¡ a UNIX operating system ¡ professional engineers, scientists, animators ¡ used as server ¡ CPSC 203 10

Main Frame ¡ ¡ ¡ multi-user with terminals (timesharing) proprietary operating systems or Unix-like expensive refrigerator-size plus storage devices controlled environment: climate, secure, UPS, with support staff banks, insurance, airline reservations, Uof. C student records CPSC 203 11

Supercomputer very fast ¡ expensive ¡ clusters with parallel processing and shared memory ¡ e. g. IBM, NEC, Cray ¡ research: milky way, DNA, oil exploration, weather forecasting ¡ CPSC 203 12

Supercomputer Top 500 supercomputers in world ¡ IBM Blue Gene ¡ Supercomputing in Alberta ¡ CPSC 203 13

The End CPSC 203 14