Question

Chapter : Inventions A MCQ's 1 Who invented computer? a) Wright Brothers b) Charles Babbage c) Thomas Edison II. Karl Benz invented. a) Car b) Telephone c) Bulb III. Air conditioner was invented by- a) Wills career b) James Watt c) Alexander Graham Bell B Fill in the blanks 1 was invented by Wright Brothers. 2 Thomas Edison invented 3 Alexander Graham Bell is the inventor of C. Missing letters 1. ST_A_EN_IN__ 2. F_UNT_INP_N.​

Answer 1

Answer:

1.b 2.a 3.a 1.airplane 2.light bulb 3.telephone

Answer 2

Answer:

Explanation:

1.computer (laptop) Sinclair /computer (mini) digital corp

2.aeroplane

3.electric lamp

4.car (steam) nicolas cogno

5.car (petrol)

6.bell labs

7.carrier

8.microphone

9.aeroplane

10.gramophone

11.microphone

12.