Generations of Computers – One Liner Q&A (50)
First Generation (1940s–1956)
Q.1. Which technology was used in first generation computers?
Ans. Vacuum Tubes.
Q.2. What was the main memory device in first generation computers?
Ans. Magnetic Drum.
Q.3. What was the main input method in first generation computers?
Ans. Punch Cards & Paper Tapes.
Q.4. What was the main output method in first generation computers?
Ans. Printouts.
Q.5. Which language was used in first generation computers?
Ans. Machine Language (Binary).
Q.6. Give one example of first generation computer.
Ans. ENIAC, UNIVAC, EDVAC.
Q.7. What were the main disadvantages of first generation computers?
Ans. Huge size, high electricity consumption, heating.
Q.8. What was the approximate speed of first generation computers?
Ans. Milliseconds.
Q.9. What was the size of first generation computers?
Ans. Room-sized.
Q.10. What was the storage medium used?
Ans. Magnetic Tapes.
Second Generation (1956–1963)
Q.11. Which technology was used in second generation computers?
Ans. Transistors.
Q.12. What was the main advantage of using transistors?
Ans. Smaller size, faster, more reliable.
Q.13. What memory devices were used in second generation computers?
Ans. Magnetic Cores.
Q.14. Which programming languages were developed in second generation?
Ans. Assembly Language, COBOL, FORTRAN.
Q.15. Which input/output devices were used?
Ans. Punch Cards, Magnetic Tape, Printers.
Q.16. Give an example of second generation computer.
Ans. IBM 1401, IBM 7090.
Q.17. What was the approximate speed of second generation computers?
Ans. Microseconds.
Q.18. What was the main storage medium?
Ans. Magnetic Disks & Tapes.
Q.19. What was the major limitation of second generation computers?
Ans. Still generated heat and required cooling.
Q.20. What was the main application area of second generation computers?
Ans. Business and Scientific purposes.
Third Generation (1964–1971)
Q.21. Which technology was used in third generation computers?
Ans. Integrated Circuits (ICs).
Q.22. Who invented Integrated Circuits?
Ans. Jack Kilby & Robert Noyce.
Q.23. What was the size of third generation computers compared to earlier?
Ans. Smaller, more compact.
Q.24. What type of memory was introduced?
Ans. Semiconductor Memory.
Q.25. What operating systems were developed in third generation?
Ans. Multiprogramming & Time-sharing OS.
Q.26. Which programming languages became popular in third generation?
Ans. High-level languages like BASIC, Pascal, C.
Q.27. Give an example of third generation computer.
Ans. IBM 360 Series.
Q.28. What was the approximate speed of third generation computers?
Ans. Nanoseconds.
Q.29. What was the main advantage of third generation?
Ans. Smaller, cheaper, more reliable.
Q.30. What was the main limitation of third generation?
Ans. Required air-conditioning.
Fourth Generation (1971–1980s)
Q.31. Which technology was used in fourth generation computers?
Ans. Microprocessors.
Q.32. Who invented the first microprocessor?
Ans. Intel (Intel 4004, 1971).
Q.33. Which type of memory was introduced in fourth generation?
Ans. Semiconductor (RAM, ROM).
Q.34. Which input devices became common in fourth generation?
Ans. Keyboard, Mouse.
Q.35. Which output devices became common?
Ans. Monitors, Printers.
Q.36. What type of computers were developed in this generation?
Ans. Personal Computers (PCs).
Q.37. Give an example of fourth generation computer.
Ans. IBM PC, Apple II.
Q.38. Which operating systems became popular?
Ans. MS-DOS, UNIX.
Q.39. What was the approximate speed of fourth generation computers?
Ans. Picoseconds.
Q.40. What was the main advantage of fourth generation?
Ans. Portable, cheaper, powerful, user-friendly.
Fifth Generation (1980s–Present & Beyond)
Q.41. Which technology is used in fifth generation computers?
Ans. Artificial Intelligence (AI).
Q.42. What are the main features of fifth generation computers?
Ans. Knowledge-based systems, Natural Language Processing, AI.
Q.43. Which type of chips are used in fifth generation?
Ans. VLSI (Very Large Scale Integration) and ULSI.
Q.44. What is the main goal of fifth generation computers?
Ans. Human-like intelligence.
Q.45. Which technologies are associated with fifth generation?
Ans. Robotics, Expert Systems, Neural Networks, Quantum Computing.
Q.46. Give examples of fifth generation devices.
Ans. Smartphones, AI-based systems, Supercomputers.
Q.47. What is the speed of fifth generation computers?
Ans. Femtoseconds & beyond.
Q.48. What is the storage medium in fifth generation?
Ans. Cloud Storage, SSDs.
Q.49. What is the major difference from earlier generations?
Ans. Focus on intelligence, not just computation.
Q.50. What is the future of fifth generation computers?
Ans. Quantum Computing, Advanced AI, Human–Machine Integration.
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