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Question

Which of the following was used as the main electronic component in the first generation computers?

The correct answer is
Vacuum Tubes

First Generation Computer Components Explained

First-generation computers, developed roughly between 1940 and 1956, utilized Vacuum Tubes as their primary electronic component for processing and computation.

These early machines, such as the ENIAC and UNIVAC, relied heavily on thousands of vacuum tubes. While groundbreaking for their time, vacuum tubes were bulky, consumed significant power, generated substantial heat, and had a limited lifespan, leading to frequent breakdowns.

Subsequent generations of computers replaced vacuum tubes with more advanced and efficient components:

  • Second Generation: Transistors
  • Third Generation: Integrated Circuits (ICs)
  • Fourth Generation: Microprocessors (VLSI)

Therefore, Vacuum Tubes were the main electronic components in the first generation of computers.

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Important Questions from Introduction to Computers

  1. Which of the following was used as the main electronic component in the fourth generation computers?
  2. Which of the following memory of the computer is used to speed up the computer processing?

  3. In which generation were computers bulky, vacuum based and costly?
  4. In a computer, a menu contains a list of:
  5. Which of the following is NOT a type of personal computer?
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