Tablets, abacuses, and manual tables
a. are no longer used, because of the proliferation of calculators and computers.
b. are examples of aids to manual calculating.
c. were developed in Western Europe in the late Middle Ages.
d. replaced Hindu-Arabic numerals as the preferred way to do calculations.
e. All of the above.
B
Computer Science & Information Technology
You might also like to view...
Which of these types of memory has no moving parts and is often used to transfer data between digital cameras and personal computers?
A) magnetic memory B) random access memory C) flash memory D) read-only memory
Computer Science & Information Technology
____ symmetry runs from the center of the page outward, like the petals of a flower.
A. Radial B. Diagonal C. Vertical D. Horizontal
Computer Science & Information Technology