FREE California State Jobs Office Technician Practice Exam Questions and Answers

Computers are tools that support humans in many ways, yet they cannot think or act independently. They need information given to them and instructions on how to use it from people. Although they cannot generate new knowledge, computers can speed up work processes and save time. For instance, a computer's "memory" can store data and office files. Within a few seconds, computers can get information from a specific file. Without computers, it would take a clerk days or weeks to review every file.
First, computers were large and expensive. They occupied virtually the entire floor of spacious offices. Later, due to the value and need for computers in business, scientists quickly discovered methods to create more affordable and compact computers. Thanks to the invention of chips, more information can now be stored in a smaller space.
Computers have become more portable and less expensive. They may be positioned on top of a typical writing desk. They are even conveniently transportable from one location to another. Companies employ computers not only in their offices but also at home.
According to the passage, computers: