Question

devices.
ology developed after the invention of the
ion of electronic computers were built using vacuum tube
EXERCISES
1. The United Nations was established in the year_______
2. The headquarters of the UN is in_________
3. 'UN Day' is observed on
4. There are________
official languages
5. The first woman President of the UN Gen________
​

Answer 1

Answer:

The invention of the transistor, or semiconductor, was one of the most important developments leading to the personal computer revolution. What company invented the transistor in 1947?

A. International Business Machines

B. MITS

C. Xerox

D. Bell Laboratories

Answer: Option D