Distinguish the functional requirements an engineer would have to specify for a taxi dispatch system.

1 answer:

6 0

The requirements are mainly written in a feature style notation, using some state charts, context diagrams and other techniques to describe certain parts of the system. See, for example, Software Requirements - Styles and Techniques [Lauesen00].
The functional requirements are divided into four sections. The three modules in figure 1 are developed by separate groups, each responsible for unit testing. All requirements for the taxi, central and communication link component are written in a feature style notation. In addition, a special part of the taxi component is the positioning system. This is dealt with separately since there are special requirements present on this component. The functional requirements consist of four sections: Taxi (3.1), Central (3.2), Communication link (3.3) and Positioning system (3.4).

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Explanation:

The solution code is written in JavaScript.

Firstly, create a Date object (Line 1). The date object will automatically capture the current date and time.

Next create an array dateComp to hold the day, month and year (Line 3 -5). We use the getDate method to get current day, getMonth method for current month and getFullYear method for current year.

This is important to note that the getMonth method will return the value range from 0 - 11 with the Jan is represented as 0, Feb is 1 and so forth. Presume we intend to display the date using the format "month day, year", we can create a switch structure to check the month value which is range from 0 to 11. If month value is 0, generate string Jan + current day + "," + current year. We generate the date string based on different switch cases (7 - 44). We shall see the output similar to the date string as shown below:

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