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Data Use 01
Loyalty cards are used by some shops.

Data Use 01

Discover how data is used to answer questions. Learn about databases, records and fields, and how sorting, filtering and searching help organisations make decisions.

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Fascinating Fact:

Databases are used when you need to store lots of records, search quickly, and avoid repeated information.

In KS3 ICT, using data means collecting it, storing it sensibly, and turning it into useful information. You will practise organising data in tables, checking it is sensible, and using tools like searches, filters, and reports to spot patterns and answer real questions.

  • Database: An organised collection of data that can be stored, searched, and updated efficiently.
  • Record: A complete set of information about one item, such as one student or one library book.
  • Query: A question you ask a database to find specific records that match rules, such as “all items borrowed this month”.
What does data use mean in KS3 ICT?

In KS3 ICT, data use means handling data responsibly so it becomes useful information. This includes collecting it, storing it, checking it for errors, and analysing it to make decisions.

What is the difference between a record and a field?

A record is one full entry in a database table, like one customer. A field is one piece of information in that record, like the customer’s name or postcode.

How do sorting and filtering help you find data?

Sorting puts data in an order, such as highest to lowest, which makes patterns easier to spot. Filtering hides records that do not match your rule, so you only see the results you need.

1 .
Loyalty cards are used by some shops. To get a card .......
a customer must supply their name and address details
the customer buys a card from the shop
the customer just picks one up in the shop
the customer only need give their name
The shop can track what customers buy and use that to send out special offers related to the items they buy the most
2 .
When an application for a loyalty card is received .......
the shop adds name and address details onto a database
the shop loses it
the shop performs an identity check on the customer
the shop simply sends out the card
This will be a relational database as the store will record all of the items that each customer with a loyalty card buys
3 .
When buying something in the shop, the loyalty card is .......
given to the shelf filler
ignored
looked at by the checkout staff
usually asked for and read at the checkout
They are usually read using the barcode reader that is used on the items bought
4 .
A loyalty card sends details of a purchase and .......
the customer credit card number to the shop database
the customer ID to the shop database
the customer mobile phone number to the shop database
the shop ID to the shop database
It uses an automatic input system
5 .
Which is not an advantage of a loyalty card scheme to a consumer?
Stores may give a voucher to give the customer some money off their next bill
Shops can build a profile of a customer
Stores can offer customers personalised offers
The customer may be rewarded with discounts on specific items
Building a customer profile could be a privacy violation
6 .
Bar codes .......
are easily read by the checkout person
contain product ID and can be read quickly by a scanner
contain product stock level and price information
contain product ID and stock levels
Price and stock levels are stored on a database linked to the product ID and are not part of the bar code
7 .
EPOS stands for .......
Electronic Point Of Sale
Electronic Position Of Sale
Electronic Position Of Store
Electronic Program Operating System
Another example for you of an automatic input
8 .
EPOS systems scan a bar code at the checkout; then .......
the product ID is checked on the shop database
an itemised bill is printed at the checkout
the item price is returned from the database
All of these events
Stock levels are also automatically adjusted
9 .
Which of these is not an advantage to the shop?
EPOS can help to reduce fraud
EPOS results in better stock control, so less shortages
EPOS systems usually mean quicker service
In EPOS systems, more information is printed on the bill
The printed bill is really for the customer's benefit
10 .
What does EFTPOS stand for?
Easy Finance Trap at Point Of Sale
Electronic Finance Transfer at Point Of Sale
Electronic Finance Trick at Point Of Sale
Electronic Funds Transfer at Point Of Sale
In other words, a payment using a debit or credit card
You can find more about this topic by visiting BBC Bitesize - Data and databases

Author:  Duncan Daish

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