9626_m20_qp_32
A paper of Information Technology, 9626
Questions:
10
Year:
2020
Paper:
3
Variant:
2
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2
A railway company wants to allow customers to book tickets for journeys using its website. A new booking screen will use form controls to collect data about the customer and about the requested journeys. The screen is intended to make it easier for customers to enter the details. Describe, in detail, three checks that could be carried out on the data as it is collected on the booking screen. Describe four form controls that could be used on the new booking screen and for each form control describe an appropriate use on the new screen. Describe the characteristics, other than form controls, of a well-designed data collection screen that make it easier for customers to enter data. When the booking screen is created it will need to be tested. Explain the importance of having a test plan.
16. System life cycle  →  16.3. Design
16. System life cycle  →  16.7. Evaluation
10. Database and file concepts  →  10.1. Creating a database
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9
In JavaScript, conditional statements can be used to carry out specific actions based upon different conditions. The value of the variable ‘age’ is entered into a web page and collected by the HTML code of the page. The function in uses the ‘if else’ and ‘else if’ conditional statements to test the value of the variable ‘age’. Line numbers are shown only for your convenience when referring to the code. function myFunction() { var statement; var age = document.getElementById("age").value; if (age The code could have been written using the ‘switch’ function, e.g. lines 4 to 7 could have been: switch{ case age
21. Programming for the web  →  21.1. Programming for the web
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