When buying items online, encryption is used. Explain why customers should be reassured by this feature. (1)
All posts by Mr McNeice
2014 – Q17 (a)
A supermarket website is used successfully by customers using desktop computers to order groceries online.
The company has received complaints from some customers that the website is difficult to use on their tablet or smartphone.
Identify two reasons why the webpage above would be unsuitable for such portable devices. (2)
Reason 1:
Reason 2:
2014 – Q16 – (ii)
Jack has been asked to write a program to calculate the potential profit in a soft drinks business. The program will store the costs involved in producing and selling one litre of each drink.
Jack adapts the program to ensure that water cost can only be entered as always greater than or equal to £0.10 and less than or equal to £0.50 per litre.
Complete the table below to show four different examples of test data for water cost and the type of each example. (3)
2014 – Q16 (c) – (i)
Jack has been asked to write a program to calculate the potential profit in a soft drinks business. The program will store the costs involved in producing and selling one litre of each drink.
Jack adapts the program to ensure that water cost can only be entered as always greater than or equal to £0.10 and less than or equal to £0.50 per litre.
State the standard algorithm that is used to ensure that data entered is acceptable. (1)
2014 – Q16 (b)
Jack has been asked to write a program to calculate the potential profit in a soft drinks business. The program will store the costs involved in producing and selling one litre of each drink.
The following calculations will be used to output the profit made for each litre of drink.
Manufacturing Cost = Water Cost + Flavouring Cost + Labour Cost
Profit = Selling Cost – Manufacturing Cost
Using pseudocode or a programming language of your choice, write a program to enter the required data, then calculate and display the profit for the soft drink business. (5)
2014 – Q16 (a)
Jack has been asked to write a program to calculate the potential profit in a soft drinks business. The program will store the costs involved in producing and selling one litre of each drink.
The following calculations will be used to output the profit made for each litre of drink.
Manufacturing Cost = Water Cost + Flavouring Cost + Labour Cost
Profit = Selling Cost – Manufacturing Cost
State the number of variables Jack would require in his program. (1)
2014 – Q15 (e)
A search is carried out for holidays in Greece leaving from “Any London” airport after 1st May 2015.
Here are some matching holidays.
Describe how the list is sorted. (2)
2014 – Q15 (d)
The photo gallery features a wide range of holiday images. A photograph is going to be added to the photo gallery.
Explain why Beach v2 is being added to the photo gallery instead of Beach v1. (2)
2014 – Q15 (c)
The Holibobs website includes a variety of media types which are stored using several standard file formats.
Complete the table below, indicating where the following file formats have been used on the website.
The first one has been done for you. (2)
2014 – Q15 (b) – (iii)
Holibobs sells holidays to its online customers. A page from Holibobs website is shown below.
(b) (iii) The “weather widget” showing the current weather uses Javascript.
Suggest one other use of Javascript that could be added to the page. (1)
