History of Computers Quiz - CBSE Class 9 ICT
Free practice quiz: History of Computers (CBSE Class 9 ICT). 16 multiple-choice questions with answers and explanations. Play online, no sign-up needed.
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What is considered the first mechanical computer?
- Analytical Engine
- Enigma Machine
- UNIVAC
- Colossus
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Answer: A. Analytical Engine
The Analytical Engine, designed by Charles Babbage in the 1830s, is considered the first mechanical computer as it was designed to perform any calculation.
When was the first microprocessor invented?
- 1968
- 1971
- 1980
- 1965
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Answer: B. 1971
The first microprocessor, the Intel 4004, was introduced in 1971, marking a significant advancement in computer technology.
Who developed the concept of the stored-program computer?
- John von Neumann
- Alan Turing
- Charles Babbage
- James Gosling
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Answer: A. John von Neumann
John von Neumann developed the concept of the stored-program computer, which is a foundational concept in computer architecture.
Which of the following is a fundamental concept in object-oriented programming?
- Encapsulation
- Decryption
- Compilation
- Debugging
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Answer: A. Encapsulation
Encapsulation is a fundamental concept in object-oriented programming that restricts access to certain components of an object.
Which innovation allowed for the rapid development of computers in the 1980s?
- Microprocessors
- Magnetic tape
- Transistor radio
- Mainframe computers
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Answer: A. Microprocessors
The invention of microprocessors allowed for rapid and efficient upgrades in computer development, leading to the proliferation of personal computers.