Find the odd one out in the following: Desktop, Calculator, Abacus, Laptop.
A
Abacus
B
Calculator
C
Laptop
D
Desktop
Correct Option:
A
Explanation
Desktop computers, calculators, and laptops are electronic computing devices. An abacus is a manual calculating instrument that works through beads moved along rods or wires and needs no electrical power. Therefore, it is the odd one out.
