Questions

- Normal completion

- Time limit exceeded

- Memory unavailable

- Bounds violation

- Protection error

- Arithmetic error

- Time overrun

- I/O failure

- Invalid instruction

- Privileged instruction

- Data misuse

- Operator or OS intervention

- Parent termination.

The ancient Greek word “bárbaros,” from which it derives, meant “babbler,”.In the Greek ear, speakers of a foreign tongue made unintelligible sounds (“bar bar bar”). Similar words exist in other Indo-European languages, including the Sanskrit “barbara,” which means “stammering.”The word “barbarian” originated in ancient Greece and was initially used to describe all non-Greek-speaking peoples, including Persians, Egyptians, Medes and Phoenicians.

Here the answer is 98.

The logic in the given puzzle:

2+3 = 8
3+7 = (7+2)x3 = 27
4+5 = (5+3)x4 = 32
5+8 = (8+4)x5 = 60
6+7 = (7+5)x6 = 72

Similarly,

7+8 = (8+6)x7 = 98.

Optical fiber works on the principle of total internal reflection.

The Total Internal Reflection is the phenomenon in which the complete reflection of a light ray reaching an interface with a less dense medium when the angle of incidence exceeds the critical angle.