Ques : Which of these inventions or technologies is the most recent, and came to be adopted around the start of the 21st Century?
A. Internet
B. Personal Computer
C. Antibiotics
D. Bluetooth
Ans : D. Bluetooth
Ques : Which of these inventions or technologies is the most recent, and came to be adopted around the start of the 21st Century?
A. Internet
B. Personal Computer
C. Antibiotics
D. Bluetooth
Ans : D. Bluetooth