Computer hardware

Computer hardware

1. MIcrocomputer Systems

   • Computer Terminals
     • Dumb terminals
     • Intelligent terminals
     • Network terminals
       • Windows terminals
       • Internet terminals
   • Network terminals
   • Handheld microcomputer device (personal digital assistants)

2. Midrange Computer Systems

   • Computer-aided manufacturing, computer-aided design
   • Front-end servers to assist mainframe

3. Mainframe Computer Systems

   • Supercomputer Systems
     • Parallel processing architectures with interconnected mircocomputers
     • Minisupercomputers
       • Symmetric multiprocessing and distributed shared memory
     • has many processors
   • Distributed or grid computing
     • relies on complete computers

4. Computer processing speed

   • miliseconds
   • microseconds
   • nanosecondss
   • pricoseconds
   • Million instruction per second(MIPS)
   • Cycles per second

5. Moor's Law