Science

Time Efficiency

Vocabulary Lesson

Vocabulary Items

• adjust * maximize

• arbitrary * parallel

• denominatior * proportion

• exponentially * rate

• infinitesima * sequence

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Instructions

Complete each sentence by filling in the blank with the best word from the list. Change the form of the word if necessary. Use each word only once.

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Reading

Read the passage to review the vocabulary you have learned. Answer the questions that follow.

Reading Passage

Time is, as we all know, money. Such valuation of time leads people to extreme efforts to maximize their use of time. Some people obsess over knowing the exact time. They buy clocks and watches that automatically adjust themselves over the Internet or by radio waves.These measurements allow them infinitesimal accuracy in dealing with time. Regardless of how one tracks time, most people share a common goal: They want to use time effectively. Since about 1982, this efficiency has increased exponentially each year, thanks to computers and their ability to multitask. In multitasking, a computer executes several different tasks in parallel.

(cont...)

Rather than being set arbitrarily, each task is given a priority in the computer's operating system, and time is spent in proportion to the priority of the task.The computer executes different sequences of tasks at different clock cycles, thereby increasing the rate of output from a process.

Multiple Choice

Why does the author mention computer multitasking in this article?

• because it is new

• because it measures time better than any clock

• because it helps people to arrange their activities sequentially

• because it is a good example of the efficient use of time

Multiple Choice

The underlined word sequences in the passage is closest in meaning to

• styles

• lengths

• orderings

• difficulty levels

Open Ended

Do you manage your time efficiently? Support your answer.

Thank you