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History Of Computers Quiz 6 (10 MCQs)

This set of multiple-choice questions evaluates knowledge of early computing history, including pioneers like Charles Babbage, Gottfried Leibniz, and John von Neumann, and key inventions such as the Analytical Engine, ENIAC, and the computer mouse. It covers mechanical computing devices, electronic computers, and the stored program concept, providing a comprehensive assessment of historical computing figures and innovations.

Quiz Instructions

Select an option to see the correct answer instantly.

1. The first mechanical computer designed by Charles Babbage was called .....

Correct Answer: Correct answer is: (C) Analytical Engine.

Exam Relevance: Computer Science Exams, History of Computing Exams, Information Technology Exams

Difficulty: Moderate

Concept notes: Charles Babbage is known for designing the first mechanical computer, which was called the Analytical Engine.

Common Mistakes: A common misunderstanding is that the first mechanical computer was the Difference Engine, which was an earlier design by Babbage. However, the Analytical Engine was the first general-purpose computer.

Explanations: Charles Babbage designed the Analytical Engine, which was intended to be a general-purpose computer capable of performing any arithmetic operation through the use of punched cards. This design was a significant advancement over his earlier Difference Engine, which was designed to tabulate polynomial functions.

Option Analysis:

Option A: Processor is a modern term for a component of a computer that performs operations, but it is not the name of Babbage's first mechanical computer.
Option B: Calculator is a general term for a device that performs calculations, but it is not the specific name of Babbage's first mechanical computer.
Option C: Analytical Engine is the correct name of the first mechanical computer designed by Charles Babbage.
Option D: None of these is incorrect because the Analytical Engine is the correct answer.

2. The Stepped Reckoner was invented by

Correct Answer: Correct answer is: (C) Gottfried Leibnitz.

Exam Relevance: AP Computer Science Principles, History of Science Exams, Engineering History Exams

Difficulty: Moderate

Concept notes: The Stepped Reckoner was an early mechanical calculator invented by Gottfried Leibniz in the late 17th century.

Common Mistakes: A common mistake is confusing Gottfried Leibniz with other inventors of early calculating devices, such as Blaise Pascal or John Napier.

Explanations: Gottfried Leibniz invented the Stepped Reckoner, a mechanical calculator that could perform addition, subtraction, multiplication, and division. This invention was a significant advancement in the history of computing, as it laid the groundwork for more complex mechanical calculators and eventually led to the development of modern computers.

Option Analysis:

Option A: John Napier invented logarithms, not the Stepped Reckoner.
Option B: William Oughtred invented the slide rule, not the Stepped Reckoner.
Option C: Gottfried Leibniz is the correct inventor of the Stepped Reckoner.
Option D: Blaise Pascal invented the Pascaline, an early mechanical calculator, but not the Stepped Reckoner.

3. Who is credited with the idea of using punch cards to control patterns in a waving machine?

Correct Answer: Correct answer is: (D) Jacquard.

Exam Relevance: Computer Science History, Information Technology Exams, History of Computing Exams

Difficulty: Moderate

Concept notes: Joseph Marie Jacquard is credited with the idea of using punch cards to control patterns in a weaving machine.

Common Mistakes: A common misunderstanding is that other inventors like Pascal, Hollerith, or Babbage were the first to use punch cards for controlling machines.

Explanations: Joseph Marie Jacquard developed a loom that used punch cards to control the weaving patterns. This innovation was a significant step in the history of computing, as it demonstrated the use of a programmable system to automate complex tasks. The punch card system used by Jacquard was later adapted for use in early computers, making him a key figure in the development of computing technology.

Option Analysis:

Option A: Pascal is known for his work in mathematics and the development of the mechanical calculator, not for punch cards in weaving machines.
Option B: Hollerith is known for his development of punch card tabulating machines for the U.S. Census, but he did not invent the use of punch cards in weaving machines.
Option C: Babbage is known for his work on the Analytical Engine, which used punch cards for programming, but he did not invent the use of punch cards in weaving machines.
Option D: Jacquard is credited with the invention of the punch card system for controlling weaving patterns, which is the correct answer.

Mnemonic: J for Jacquard, J for Jute (a type of fiber often woven).

4. First Computer mouse was built by .....

Correct Answer: Correct answer is: (A) Douglas Engelbart.

Exam Relevance: Computer Science Exams, History of Computing Exams

Difficulty: Easy

Concept notes: Douglas Engelbart is credited with inventing the first computer mouse.

Common Mistakes: A common mistake is to confuse the contributions of different computer pioneers.

Explanations: Douglas Engelbart, an American computer engineer, invented the first computer mouse in the 1960s. This invention was a significant milestone in the history of computers, as it revolutionized the way users interacted with computers.

Option Analysis:

Option A: Correct. Douglas Engelbart is the inventor of the first computer mouse.
Option B: Incorrect. Robert Zawacki is not associated with the invention of the computer mouse.
Option C: Incorrect. Von Neumann is known for his contributions to computer architecture and the stored-program concept, not the invention of the mouse.
Option D: Incorrect. Only Douglas Engelbart is credited with the invention of the first computer mouse.

5. ENIAC stands for.

Correct Answer: Correct answer is: (B) Electronic Numerical Integrator and Computer.

Exam Relevance: Computer Science Exams, History of Computing Exams, Information Technology Exams

Difficulty: Easy

Concept notes: ENIAC stands for Electronic Numerical Integrator and Computer. It was one of the first fully electronic computers and was developed during World War II.

Common Mistakes: A common mistake is to confuse the acronym with "Electronic Numerical Integrator and Calculator," which is incorrect.

Explanations: ENIAC was a pioneering electronic computer developed in the 1940s. The acronym stands for Electronic Numerical Integrator and Computer, reflecting its primary functions of numerical integration and computation. The term "Computer" in the acronym refers to its role in performing complex calculations, not to be confused with the term "Calculator."

Option Analysis:

Option A: Incorrect. The term "Electrical" is not part of the correct acronym.
Option B: Correct. ENIAC stands for Electronic Numerical Integrator and Computer.
Option C: Incorrect. The term "Calculator" is not part of the correct acronym.
Option D: Incorrect. The term "Number" is not part of the correct acronym.

Mnemonic: E-N-I-C: Electronic Numerical Integrator and Computer

6. What is the first Indigenously developed Super Computer of India?

Correct Answer: Correct answer is: (D) Param.

Exam Relevance: GATE, UPSC, CSIR NET

Difficulty: Moderate

Concept notes: The Param supercomputer was the first indigenously developed supercomputer in India.

Common Mistakes: A common mistake is confusing Param with other Indian scientific achievements or supercomputers.

Explanations: The Param supercomputer was developed by the Centre for Development of Advanced Computing (C-DAC) in 1991. It was a significant milestone in India's technological development, marking the country's capability to design and build high-performance computing systems independently. The other options listed (Tejas, Anupam, and Aryabhatt) are not the first indigenously developed supercomputer in India.

Option Analysis:

Option A: Tejas is not the first indigenously developed supercomputer in India.
Option B: Anupam is not the first indigenously developed supercomputer in India.
Option C: Aryabhatt is not the first indigenously developed supercomputer in India.
Option D: Param is the first indigenously developed supercomputer in India.

Mnemonic: P for Param, P for Pioneer

7. Who developed a mechanical device in the 17th century that could add, subtract, multiple, divide and find square roots?

Correct Answer: Correct answer is: (D) Leibniz.

Exam Relevance: AP Computer Science Principles, History of Science Exams, Engineering History Exams

Difficulty: Moderate

Concept notes: Gottfried Wilhelm Leibniz developed a mechanical calculator in the 17th century that could perform arithmetic operations including addition, subtraction, multiplication, division, and finding square roots.

Common Mistakes: A common mistake is confusing Leibniz with other inventors of early computing devices, such as Blaise Pascal, who developed an earlier calculator that could only perform addition and subtraction.

Explanations: Leibniz's mechanical device, known as the Stepped Reckoner, was a significant advancement in the history of computing. It was capable of performing all four basic arithmetic operations and finding square roots, making it more versatile than earlier devices. This invention laid the groundwork for future developments in mechanical and electronic computing.

Option Analysis:

Option A: John Napier is known for inventing logarithms and Napier's Bones, but not for a mechanical calculator that could perform all the operations mentioned.
Option B: Charles Babbage is known for his work on the Difference Engine and Analytical Engine in the 19th century, which were more advanced than Leibniz's device but came later.
Option C: Blaise Pascal invented the Pascaline, which could perform addition and subtraction, but not multiplication, division, or finding square roots.
Option D: Gottfried Wilhelm Leibniz developed the Stepped Reckoner, which could perform all the operations mentioned.

Mnemonic: L-SR: Leibniz Stepped Reckoner

8. Who is known as "Father of Computer Science"?

Correct Answer: Correct answer is: (A) Charles Babbage.

Exam Relevance: Computer Science Exams, History of Computing Exams, Information Technology Exams

Difficulty: Moderate

Concept notes: Charles Babbage is often referred to as the "Father of Computer Science" due to his pioneering work on mechanical computing devices.

Common Mistakes: A common misunderstanding is that other early computer pioneers, such as Howard Aiken or Blaise Pascal, are also referred to as the "Father of Computer Science."

Explanations: Charles Babbage is credited with designing the first mechanical computer, the Difference Engine, and the more advanced Analytical Engine, which included features like conditional branching and loops. These designs laid the foundation for modern computing concepts, making him a key figure in the history of computer science.

Option Analysis:

Option A: Charles Babbage is known as the "Father of Computer Science" due to his contributions to mechanical computing.
Option B: Howard Aiken is known for his work on the Harvard Mark I computer, but he is not referred to as the "Father of Computer Science."
Option C: Dr. Herman Hollerith is known for his invention of the punch card tabulating machine, but he is not referred to as the "Father of Computer Science."
Option D: Blaise Pascal is known for his invention of the mechanical calculator, but he is not referred to as the "Father of Computer Science."

9. The person contributing the idea of the stored program was

Correct Answer: Correct answer is: (A) John von Neumann.

Exam Relevance: Computer Science Exams, History of Computing Exams, Information Technology Exams

Difficulty: Moderate

Concept notes: John von Neumann is credited with the concept of the stored program, which is fundamental to modern computer architecture.

Common Mistakes: A common mistake is to confuse John von Neumann with other early computer pioneers like Charles Babbage or Howard Aiken.

Explanations: John von Neumann's contribution to the stored program concept was pivotal. He proposed that both data and instructions could be stored in the same memory, allowing for the flexibility and efficiency of modern computers. This idea was a significant advancement over earlier designs where instructions were hardwired or stored separately.

Option Analysis:

Option A: John von Neumann is the correct answer as he is credited with the stored program concept.
Option B: Charles Babbage is known for his work on the Analytical Engine, but not for the stored program concept.
Option C: Howard Aiken is known for his work on the Harvard Mark I computer, but not for the stored program concept.
Option D: Basic Pascal is a programming language and not a person, so it cannot be the correct answer.

10. The first large scale electronic computer which became operational in 1946 and contained approximately 18000 vacuum tubes and could perform 300 multiplications per second was known as

Correct Answer: Correct answer is: (B) ENIAC.

Exam Relevance: Computer Science exams, History of Computing exams, Information Technology exams

Difficulty: Moderate

Concept notes: ENIAC (Electronic Numerical Integrator and Computer) was the first large-scale electronic computer that became operational in 1946. It was a significant milestone in the history of computing due to its size, complexity, and capabilities.

Common Mistakes: A common mistake is confusing ENIAC with other early computers like ILLIAC, JOHNIAC, or EDSAC, which also played important roles in the development of computing technology.

Explanations: ENIAC was a pioneering computer that used vacuum tubes for its operations. It contained approximately 18,000 vacuum tubes and could perform 300 multiplications per second. This made it a significant advancement in computing technology, marking the beginning of the electronic computer era.

Option Analysis:

Option A: ILLIAC was an early computer developed at the University of Illinois, but it was not the first large-scale electronic computer.
Option B: ENIAC was the first large-scale electronic computer that became operational in 1946, containing approximately 18,000 vacuum tubes and capable of performing 300 multiplications per second.
Option C: JOHNIAC was another early computer, but it was not the first large-scale electronic computer.
Option D: EDSAC was an early computer developed at the University of Cambridge, but it was not the first large-scale electronic computer.

Mnemonic: ENIAC: Electronic Numerical Integrator and Computer

Frequently Asked Questions

What is the significance of Charles Babbage in the history of computers?

Charles Babbage is known for his work on the Analytical Engine, which is considered a precursor to modern computers. He is often referred to as the "father of the computer" due to his contributions to mechanical computing.

How did the invention of the computer mouse change computing?

The computer mouse, invented by Douglas Engelbart, revolutionized human-computer interaction by providing a more intuitive way to navigate and interact with digital interfaces, enhancing user experience and productivity.

What is the stored program concept and why is it important?

The stored program concept, developed by John von Neumann, allows a computer to store both data and instructions in memory, enabling it to perform a wide range of tasks without manual intervention, which is fundamental to modern computing.

What role did punch cards play in early computing?

Punch cards were used in early computing to input data and instructions into mechanical and electronic computers. They were a key component in the development of programming and data processing systems.

How did Indian supercomputers like Param contribute to the field of computing?

Indian supercomputers like Param, developed by C-DAC, have contributed significantly to the field of computing by advancing computational capabilities and fostering research in areas such as weather forecasting, molecular modeling, and engineering simulations.

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