EXERCISES, LESSON 1
INSTRUCTIONS. Circle the letter of the response that best answers the question or
best completes the incomplete statement or write the appropriate term in the space
After you have completed all the exercises, turn to "Solutions to Exercises" at the
end of the lesson and check your answers. For each exercise answered incorrectly,
reread the material referenced after the solution.
SPECIAL INSTRUCTIONS. For exercises 1 through 6, match each device (left-hand
column) with its description (right-hand column). Enter the appropriate letter in the
space provided. (One of the lettered statements in this exercise will not be used.)
1. ____ Shickard's digital
calculating clock, 1623.
device that performed operations
through successive adding.
2. ____ Pascal's adding machine,
b. The first commercially successful
3. ____ Von Leibniz's calculating
c. Could add and subtract by carrying
over numbers through a system of
4. ____ Jacquard's loom, 1801.
d. The first adding machine invented.
Little known because the inventor's
work was lost for several hundred
5. ____ Colmar's calculator, 1820.
e. A computing device used for
6. ____ Bollee's calculator, 1887.
f. Eliminated the need for repetitive
addition method to multiple and
g. Used punch cards to make damask
patterns on table linens.