Tuesday, November 15, 2011

WEEK 1&2 (continue^^)


Going on with this topic.  I shall tell what i know in week 2. It's about the computer history, computer architecture, categories of computers, computer hardware basics....

These are about the computer development:
  • Pre computers and early computers (before 1940s).
  • First generation (1940-1950): Vacuum Tube.
  • Second generation (1950-1964): Transistors.
  • Third generation (1964-1974): Integrated Circuits (IC).
  • Fourth generation (1974-present): VLSI (very large-scale. integration)/ ULSI (ultra large- scale integration).
  • Fifth generation (now and the future).







 Computer architecture

There are 6 Categories of computer based on size, capability and price:
1.  Embedded computers:
2.  Mobile devices/ computers
3.  Personal computers
4.  Midrange servers
5.  Mainframes 
6. Supercomputers







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