The analogue computer preceded the digital computer. It uses electrical voltages to simulate arithmetic operations. The output from a combination of operations is displayed on a Cathode Ray Oscilloscope.
This computer has the following blocks:
DC Operational Amplifiers (8 dual)
Integrators (4 dual, 2 single)
Multipliers (2)
Comparator (1 dual)
Attenuators (10)
Potentiometers (4 only 10 turn + 16 simple)
Variable Diode Function Generator, VDFG (1)