For thousands of year mathematicians, scientists have searched for computing machine that perform calculations……
a) quickly
b) efficiently
c) unreliable
d) both a & b
First tool used to express numbers was
a) abacus
b) mini-computer
c) super-computer
d) hybrid-computer
Abacus was
developed about …years ago.
a) 4000
b) 5000
c) 6000
d) 3000
Abacus developed in which place.
a) Babylonia
b) Russia
c) China
d) America
Abacus was built with………….
a) wood
b) beads
c) both a & b
d) none of these
The abacus marked the ………step on the road to computer.
a) first
b) second
c) third
d) fourth
