9626_s19_qp_31
A paper of Information Technology, 9626
Questions:
12
Year:
2019
Paper:
3
Variant:
1
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2
In JavaScript code, the sort() function is used to sort lists into ascending order. Explain, in detail, why, when using the sort() function, the list in is sorted correctly, but the list in is not. Before sorting After sorting Before sorting After sorting fly ant cockroach beetle ant butterfly butterfly cockroach moth fly beetle moth Write a line of JavaScript code that could be used to sort the list of insects in into descending order.
21. Programming for the web  →  21.1. Programming for the web
8. Spreadsheets  →  8.3. Using a spreadsheet
10. Database and file concepts  →  10.1. Creating a database
Open
3
An online retailer uses a simple form on its website to enable customers to contact its After Sales department by email. The form looks like this: Send an email to aftersales@mycompany.com: Your Name: Your email address: Comment: Send Reset Some of the code that created the form is shown. Note that the lines have been numbered only for your convenience and reference. Send an email to aftersales@mycompany.com: Your Name: 10 Your email address: 12 Comment: Explain what the different parts of the code in line 6 do. Create some additional lines of code that could be inserted into the script at appropriate locations to collect the name and email address of the customer. Indicate, with reference to the line numbers, where your additional code should be inserted. Line number Code Write down the code that would allow: • the comment to be entered • the form to be submitted • the form to be reset. Indicate which line numbers the codes would appear on. Line number Code
21. Programming for the web  →  21.1. Programming for the web
18. Mail merge  →  18.1. Mail merge
Open
7
The manager of a company has decided to contact existing customers to gather detailed feedback about a product. She needs responses from a large number of customers as quickly as possible. Use the information given in to select, with reasons, the most appropriate method of asking the customers for their feedback. Criteria Administered by: Post Telephone Email In person High response rate High speed of return of results Highly detailed questions possible Low cost Rapport between manager and respondents Short time of manager involvement
16. System life cycle  →  16.7. Evaluation
16. System life cycle  →  16.5. Implementation
Open
8
An online store sells goods through its website. The website has an ‘automated online assistant’ to help the customer through the purchasing process. An ‘automated online assistant’ on a website is a computer program that uses artificial intelligence to provide a customer with service and assistance. Describe how the components of an ‘automated online assistant’ provide help to the customer. Explain two benefits of the use of an ‘automated online assistant’.
1. Data processing and information  →  1.5. Data processing
16. System life cycle  →  16.5. Implementation
Open