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Data 01
Computers use binary code to store data.

Data 01

In KS3 ICT, data is everywhere, from surveys to sensors. Learn how it is collected, checked, stored, and used to make decisions and spot patterns.

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(quiz starts below)

Fascinating Fact:

Data can be quantitative, meaning numbers you can measure, or qualitative, meaning descriptions like colours, opinions, or categories.

In KS3 ICT, learning about data helps you understand how information is gathered and handled in real systems. You might collect data using forms or sensors, organise it in tables, check it for mistakes, and then use it to create charts or answer questions.

Key Terms

  • Dataset: A collection of related data, usually stored in a table, file, or database.
  • Field: A category of information in a table, such as “Age”, “Postcode”, or “Favourite Game”.
  • Validation: Automated checks that help prevent incorrect data being entered, such as a range check or drop-down list.

Frequently Asked Questions (Click to see answers)

What is data in KS3 ICT?

In KS3 ICT, data is raw information that can be collected, stored, and processed. It might be numbers, text, dates, or choices, and it becomes useful when you analyse it.

What is the difference between qualitative and quantitative data?

Quantitative data is numerical and can be measured or counted, such as height or test scores. Qualitative data describes types or qualities, such as colour, opinion, or category.

What is data validation in ICT?

Data validation is a set of rules that checks if an entry is sensible, such as making sure an age is within a range. Validation reduces errors, but it cannot guarantee the data is true.

Try These Related Quizzes

1 .
A storage location contains the digits - 31122012.
This might be a piece of data
This is a date
This is a random number
None of these
Looks like a date but really could be almost anything
2 .
In most computers how many 'bits' make up a 'byte'?
8
9
32
36
The most common answer - it's not the only correct answer because there are some computers that use more or fewer bits to record a single character
3 .
Data enters a computer .......
before processing but after the entry stage
during the entry stage
during the input stage
during the processing stage
Remember the order - input, processing then output
4 .
Data entered should be 'validated'. This means .......
it should be checked to make sure it contains no errors
it should be checked to make sure it is correct
it should be checked to make sure it is sensible
All of the above.
Validation is checking for sensible, reasonable data that is relevant
5 .
Data is stored by computers in locations called .......
bikes
binaries
bytes
byttes
Bite or bites are alternative spellings
6 .
Data entered should be 'verified'. This means .......
it should be checked for viruses
it should be checked to make sure it is completely accurate
it should be checked to make sure it is entered correctly
it should be checked to make sure it is reasonable
Entering a password twice is a common example
7 .
Computers use binary code to store data because .......
binary code is more reliable
binary code is much faster
binary code takes up less space
electronic circuits can only be 'on' or 'off'
A circuit which is 'on' represents '1', 'off' represents '0'
8 .
Which is not a means of entering data into a computer?
Bar-code reader
Keyboard
Monitor
Scanner
A monitor is an output device
9 .
Data is .......
an item of computer software
letters, numbers or characters with meaning
letters, numbers or characters with no meaning
stored numbers
Data turns into information when it is analysed
10 .
Which is not a measure of storage size?
Megabyte
Gigabyte
Terabyte
Kilabyte
It is spelt kilobyte
You can find more about this topic by visiting BBC Bitesize - Data and databases

Author:  Duncan Daish
ICT Play this quiz again

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