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April 26, 2018 Chemistry

Among the following, who is a French man (a) John Napier(b) Blaise Pascal(c) Gottfried Leibniz (d) Herman Hollerith 4. Early men started counting by using (a) Abacus(b) Computers (c) Blocks(d) Fingers 5. Abacus is an instrument known to have been used for counting as far back as (a) 500 BC(b) AD 2000 (c) 50 BC (d) 100 BC 6. The first calculator came into use in what year? (a) 1842(b) 1663(c) 1964(d) 1642 7. Who invented Napier bones a) Charles Babbage (b) Blaise Pascal (c) John Napier (d) Ada Bryon. 8. The first mathematical calculator was invented by? (a) Blaise Pascal(b) Charles Babbage (c) J. B. Eckert(d) John Napier. 9. The widely used mechanical device for counting was (a) Fingers(b) Abacus (c) Napier bones(d) Sticks 10. Who is referred to as the “Father of modern day computing” (a) Blaise Pascal(b) August Ada Bryon (c) Charles Babbage(d) John Von Neumann 11. What year did Charles Babbage die (a) 1771(b) 1871(c) 1971(d) 1671 12. Who invented the Analytical machine (a) Lady Lovelace(b) John Napier(c) Charles Babbage (d) Blaise Pascal 13.

Charles Babbage was a professor of _______ (a) Chemistry (b) History(c) English(d) Mathematics 14. “KALYX” also means (a) Pebbles (b) Abacus (c) Toes (d) Fingers 15. Early counting devices include the following (a) Pebbles and Cowries(b) Stones and Sticks (c) Abacus and Slide rule(d) Fingers and Toes 16. IBM means (a) International Business Machines(b) Internal Basic Memory(c) Information Basic Machine(d) International Busy Market 17. Computer is made up of ________ generations (a) 3 (b) 5(c) 7 (d) 6 18. The first generation computers made use of _______ a) Transistors (b) Very Scale Integration(c) Vacuum tubes(d) Super Large Scale Integration 19. One of these was a philosopher (a) Ada Bryon (b) Charles Babbage(c) John Napier(d) Gottfried Leibniz 20. Pascal was a philosopher, _________ and __________ (a) Chemist and Photography (b) Mathematician and Chemist(d) Mathematician and Physicist (d) Physicist and Chemist 21.

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The first calculating machine could not perform (a) Addition and Subtraction (b) Multiplication and Division (c) Addition and Multiplication (d) Subtraction and Division 22. Which generation has the fastest speed? a) Fifth generation (b) First generation (c) Second generation(d) Fourth generation. 23. Artificial intelligence ia associated with _________ generation (a) First generation(b) Third generation(c) Fifth generation(d) Second generation 24. Which generation has the fastest speed? (a) 5th (b) 1st(c) 2nd (d) 4th 25. Small integrated circuit were associated with _______generation (a) Fifth generation(b) Second generation (c) Third generation (d) Fourth generation 26. CHIPS are also called _____ (a) Microwave (b) Micromini (c) Mainframe (d) microprocessors. 27. Augusta ada bryon is trhe countess of lovelace

True False 28. Charles babbage was a professor True False 29. John von neuman invented the jacquard loom True False 30. Herman hollerith invented the difference engine True False 31. The von neuman’s architecture helped improved the computer True False 32. A computer ia an _____________ device (a) Electromechanical (b) Mecahnical (c) Electronic(d) Chemical 33. ________ is not an input device (a) Lightpen (b) Graph plotter(c) Keyboard (d) Joystick 34.

VDU stands for (a) Visual Display Unit (b) Visible Display Unit (c) Visually Display Unit(d) all of the above 35. all of mthese is not an output device (a) Monitor (b) Speakers (c) Printer (d) Scanner 36. Screen is the same thing as (a) Monitor (b) Drivers (c) Input System (d) Output System 37. ______ is made up of beads that slides on a frame (a) Abacus (b) Napier bones (c) Calculator (d) Rods 38. abacus is an instrument known to have being used for counting as far back as (a) AD 2000 (b) 50 BC (c) 100 BC (d) 500 BC 39. stepped reckoner was invented in year _____ (a) 1642 (b) 1872 (c) 1672 (d) 1872 0. pascaline was invented in the year (a) 1942 (b) 1642 (c) 1842 (d) 1742 THEORY ANSWER ALL QUESTIONS 1A. List and describe early counting devices B. Name the disadvantages of early counting devices C. Draw an Abacus showing the value 9834. 2A. Mention and describe two electro-mechanical counting devices. B. In electro-mechanical counting devices period, List the inventors associated with their devices. C. List the mechanical counting devices 3A. What is a Computer? B. List the generation of computer, stating their electronic components. C. Identify five input devices and five output devices you know.

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