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Chapter Profile
5. What was the main feature of the fifth generation of computers?
a. Use of vacuum tubes b. Use of transistors
c. Use of Artificial Intelligence (AI) d. Use of punched cards
B. Fill in the blanks using the words given below:
Intel, Prof. Howard Aikens, Lady Ada Lovelace, 5200
1. built the first electromechanical computer named Mark-I.
2. is known as the first computer programmer.
3. UNIVAC had vaccum tubes.
4. introduced the MMX microprocessors, which were designed to improve
game and multimedia performance.
C. Write ‘T’ for true and ‘F’ for false.
1. The UNIVAC was the first mechanical calculator to perform all four
arithmetic operations.
2. Step Reckoner, the first calculator was invented by Gottfried Wilhelm Leibniz.
3. Charles Babbage’s Difference Engine was the first fully working mechanical
computer.
4. ENIAC was the first electronic general purpose digital computer.
5. The first generation of computers used transistors.
D. Short answer type questions.
1. What was the primary function of the Pascaline adding machine, and who invented it?
2. What advancement did the third generation of computers bring with the invention of
Integrated Circuits (ICs)?
3. How did transistors change second-generation computers?
E. Long answer type questions.
1. How did computers change from the first to the second generation in terms of technology,
size, speed, and cost?
Evolution of Computers 13

