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Nội dung: <blockquote data-quote="HuyNam" data-source="post: 130443">Tiếnganh chuyên nghành CNTT- bài tập Tải xem <a href="https://www.mediafire.com/?nwhtmyztzd4" target="_blank">TẠI ĐÂY</a>Nguồn, bcvtCâu 1: Hãy đọc kỹ đoạn văn sau và trả lời câu hỏiThroughout the ages people have sought to understand the world around them and toexplain it in a systematic way. A system is simply a group of elements which work together toachieve a purpose. Systems can be very large, such as the system of courts and laws we call our'legal system', or very small, such as the system involved in cleaning your teeth. Systems canoccur in nature or be designed by people. The water cycle (described below) is an example of anatural system. Banking systems and computer systems are examples of systems designed bypeople.Input-process-outputProcessing systems accomplish a task: they take one or more inputs and carry out a processto produce one or more outputs. An input is something put into the system, a process is a series of'actions or changes carried out by the system, while an output is something taken from the system.All systems can be represented by the following input-process-output (IPO) diagram.The shaded area in the diagram represents the system. The letter 'I' stands for input and theletter '0' stands for output. The input into this system is an output from another system and theoutput from this system is an input into another system.To develop these ideas further we will consider three systems: coffee making the watercycle and the shop.THE WATER CYCLEWater circulates between the earth and the atmosphere; this is an example of a systemoccurring in nature. It is driven by. the heat of the sun which causes evaporation from bodies ofwater and transpiration from plants. The water vapour in the atmosphere forms clouds undercertain conditions. When these clouds have more water vapour than they can hold, precipitationoccurs and the water is returned back to the earth as rain;' hail, dew or snow. This process ofmoving water from the earth into the atmosphere and back to the earth is called the water cycle.The inputs are the heat from the sun, and water from oceans, lakes, rivers and plants. Theprocess consists of actions such as evaporation, transpiration and precipitation. The output is thecirculation of the water between the earth and its atmosphere.</blockquote>

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