Which of the following is an example of a recent development in technology ?
a. using books to gather information
b. using wireless phones to call people
c. using a bicycle to travel
d. going to the library to do research

how have computers changed over time?
a. they are smaller and more powerful.
b. they are often purchased for personal use.
c. they are powered by electricity.
d. all of the above

which of the following is a possible negative effect caused by changes in technology?
a. products cannot be produced is mass quantities with the use of robotics.
b. products can be produced in mass quantities by skilled craftsmen.
c. products produced in mass quantities by robotics replace jobs.
d. products produced in mass quantities by robotics are cheaper to maintain.