CSIRAC and Today’s Computers

All computers from the first generation onwards have the following in common:

  • at least one central processing unit, one memory, one input for programs and data and one output for results
  • program and data are stored in the same memory and in the same form - digital code.
CSIRACLaptop 2005
Processing Speed500 - 1000 Hz2000 million Hz
Memory Capacity2000 bytes600 million bytes
Size40 sq m0.2 sq m
Weight2500 kg2.5 kg
Power Consumption30,000 watts10 watts
Technology2000 valvesmicrochip equivalent to tens of millions of valves
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