Worksheet Solutions: Inventions & Computers | General Knowledge for Young Learners - Class 1 PDF Download

Section A: Fill in the Blanks

Q1: The first computer programmer, __________, is known for her work on Charles Babbage's Analytical Engine.

Ans: Ada Lovelace
Explanation: Ada Lovelace is known as the world's first computer programmer for her work on Charles Babbage's Analytical Engine in the 19th century.

Q2: The famous physicist __________ developed the theory of relativity.

Ans: Albert Einstein
Explanation: Albert Einstein developed the theory of relativity, which revolutionized our understanding of space, time, and gravity.

Q3: The invention of the printing press by __________ greatly facilitated the spread of knowledge and information.

Ans: Johannes Gutenberg
Explanation: Johannes Gutenberg's invention of the printing press in the 15th century greatly facilitated the spread of knowledge and information.

Q4: The __________ brothers are credited with inventing and building the world's first successful airplane.

Ans: Wright
Explanation: The Wright brothers, Orville and Wilbur Wright, invented and built the world's first successful airplane, the Wright Flyer, in 1903.

Q5: The __________ is considered one of the most important inventions in the history of humankind.

Ans: Internet
Explanation: The internet has revolutionized communication, information sharing, and access to knowledge, making it one of the most important inventions in human history.

Section B: Match the Column

Ans:

Section C: True or False

Q1: The computer mouse was invented by Steve Jobs.

Ans: False
Explanation: The computer mouse was invented by Douglas Engelbart, not Steve Jobs.

Q2: The World Wide Web was created in the 1980s.

Ans: False
Explanation: The World Wide Web was created in 1989 by Sir Tim Berners-Lee, not in the 1980s.

Q3: The invention of the printing press predates the discovery of electricity.

Ans: True
Explanation: The printing press was invented before the discovery of electricity.

Q4: The internet and the World Wide Web are the same thing.

Ans: False
Explanation: The internet and the World Wide Web are related but distinct concepts.

Q5: The first computer, ENIAC, was developed during World War II.

Ans: True
Explanation: The ENIAC, the first computer, was developed during World War II in the 1940s.