ICT GRADE 3

Any device which helps us to put things inside a system is called________

Any device which helps us to bring out things from a system is called________

Who is the father of computer?

The parts of the body used for counting in the early days were _______________

One of the engine invented by the father of computer is

Who invented the Difference engine??

(a)  

Gottfried W Leibniz invented (a)  

A (a)   is an instrument that you use for calculating numbers. It look like a ruler and has a middle part that slides backwards and forwards.

Blaise pascal invented the (a)   .

The early counting machine with beads on the rods that can be moved up or down is (a)   .