List I (Generation of Computer) List II (Technology) a. First generation of Computers I. VLSI/ microprocessor b. Second generation of Computers II. Integrated circuits c. Third generation of Computers III. Transistor d. Fourth generation of Computers IV. Vaccum tube
Understanding Computer Generations and Technologies
This question requires matching the different generations of computers with the primary technology used during each era. Let's break down each generation:
First Generation Computers
- Technology: Vacuum Tubes
- Time Period: Roughly 1940s to mid-1950s.
- Explanation: The earliest computers, like ENIAC and UNIVAC, relied heavily on vacuum tubes for circuitry. These tubes were large, generated significant heat, and were prone to frequent failures.
- Match: First Generation (a) corresponds to Vacuum Tubes (IV).
Second Generation Computers
- Technology: Transistors
- Time Period: Mid-1950s to mid-1960s.
- Explanation: The invention of the transistor marked a significant improvement. Transistors were smaller, faster, more reliable, and consumed less power than vacuum tubes, leading to smaller and more efficient computers.
- Match: Second Generation (b) corresponds to Transistors (III).
Third Generation Computers
- Technology: Integrated Circuits (ICs)
- Time Period: Mid-1960s to early 1970s.
- Explanation: This era saw the development of Integrated Circuits (ICs), also known as chips. ICs allowed many transistors to be placed on a single silicon chip, further increasing speed and efficiency while reducing size and cost.
- Match: Third Generation (c) corresponds to Integrated Circuits (II).
Fourth Generation Computers
- Technology: VLSI / Microprocessor
- Time Period: Early 1970s to present.
- Explanation: The fourth generation is characterized by the development of Very Large Scale Integration (VLSI) circuits, which placed thousands or even millions of transistors onto a single chip. This led to the creation of the microprocessor, the central processing unit (CPU) on a single chip, enabling the development of personal computers.
- Match: Fourth Generation (d) corresponds to VLSI/Microprocessor (I).
Final Matching
Based on the explanation above, the correct matching is:
- a - First Generation: Vacuum Tubes (IV)
- b - Second Generation: Transistors (III)
- c - Third Generation: Integrated Circuits (II)
- d - Fourth Generation: VLSI/Microprocessor (I)
Therefore, the correct option is a-IV, b-III, c-II, d-I.
Important Questions from Introduction to Computers
A four core processor is known as:
Which unit in a computer is responsible for managing the parts of the computer?
Storage device that uses lasers and lights as its technology of reading and writing information is known as __________.
In which of the following countries was the first Electronic Numerical Integrator and Computer, the first programmable general-purpose electronic digital computer, developed?
Where are programs and data to be used by the computer available?
