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Exercise
Section A (Objective)
A. Tick ( ) the correct option.
1. Which of these was used by the early man for counting?
a. Calculator b. Abacus
c. Bones d. Tabulating Machine
2. Who invented the first ever mechanical calculator?
a. Charles Babbage b. John Mauchly
c. Blaise Pascal d. Ada Lovelace
3. When was Mark-I built?
a. 1944 b. 1948
c. 1940 d. 1942
4. Sudha’s grandmother told her that she had used a transistor-based computer in the
1950s, storing data on magnetic tapes. Can you help Sudha to know which generation of
computer his grandmother was talking about?
a. Third b. Fifth
c. Fourth d. Second
5. Who is the first computer programmer?
a. Charles Babbage b. Blaise Pascal
c. Ada Lovelace d. John Mauchly
B. Fill in the blanks using the words given below.
Hints: second, tabulating, third, ENIAC, UNIVAC
1. Herman Hollerith invented ................................ machine in 1890.
2. ................................ is the first electronic general computer.
3. ................................ could handle both numeric and textual information.
4. Transistors and magnetic tapes were used in ................................ generation.
5. The invention of integrated circuits occurred in ................................ generation.
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iPlus (Ver. 2.1)-V

