Question

3. Differentiate between:
a Mechanical and Electromechanical device.
b. Slide Rule and Pascalline
ENLAC and EDVAC
d. Abacus and Napier's Bone
Mark - I and ABC​

Answer 1

Answer:

A).

Mechanical device are that device which are also work without electricity . ... electro mechanical devices are that device which can't work without electricity.

Slide rule:-

B).The slide rule was invented by William Oughlted.Calculations in the slide rule are done using Logarithms.

Blaise Pascal invented a numerical wheel wheel calculator. this calculator consisted of a rectangular box which had eight movable 

wheels.It was used to sum numbers,consisting of eight digits.the speed of adding a number using PASCALINE was very fast as compared to the other devices available at that time .

HOPE IT WILL HELP YOU....