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An ISBN number of a book would be a field in a library book database.

Data Storage 01

Where does your phone keep photos and apps? Explore how computers store data, why capacity matters, and how different devices help you save work safely.

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Fascinating Fact:

Storage is measured in units like bytes, kilobytes, megabytes, gigabytes, and terabytes, which show how much data can be saved.

In KS3 ICT, data storage is about how computers keep files and programs so they can be used later, even after the power is turned off. You will look at storage devices, why capacity and speed matter, and how backing up helps protect important work.

Key Terms

Secondary storage: Long-term storage that keeps data when the power is off, such as an SSD, hard drive, or memory card.
Capacity: The maximum amount of data a storage device can hold before it becomes full.
Backup: An extra copy of data stored elsewhere, used to recover files if the original is lost or damaged.

Frequently Asked Questions (Click to see answers)

What is data storage in ICT?

Data storage in ICT means saving files and programs so they can be used again later. Storage keeps data even when a device is switched off.

What is the difference between RAM and storage?

RAM is short-term memory used while a computer is working, and it clears when power is off. Storage is long-term, keeping files and apps permanently.

What is the difference between cloud storage and local storage?

Local storage keeps files on your own device, like a laptop drive or memory card. Cloud storage saves files on online servers so you can access them anywhere with internet.

Try These Related Quizzes

1 .

Data is held in files which .......

are arranged as exact copies of the data capture forms

contain data arranged randomly

contain data in organised structure

store pieces of data wherever a space can be found

If it wasn't organised, it would be very slow and difficult to get at the data in the file

2 .

A data file is divided into .......

chords

discs

records

tapes

Each record contains part of the data

3 .

A data file record is divided into .......

fields

furrows

meadows

segments

This is part of the organisation of data in a file

4 .

The fields in a record .......

all store the same data

all store the same type of data

are all the same size

store single items of data

The fields of a single record contain related data

5 .

Different fields in the same record .......

always contain the same data

always have the same length - fixed size

never contain duplicate data

usually have different lengths - variable size

The field is only as large as needed - saving memory

6 .

A collection of data held together in an organised way .......

is called a database

is called a databaste

is called a filing cabinet

is difficult to keep tidy

Even paper records can form a database

7 .

Which of these is not considered a database?

A box full of loose paper receipts

A name and address book listed alphabetically

The Electoral Roll

The Worldwide Web

Lots of data but no suggestion of organisation here

8 .

Databases store data in tables. Each row of a table.......

is a field

is a file

is a record

is an index

A table may store millions of records

9 .

Which would not be a field in a library book database?

Date book last issued

Date of purchase

ISBN number

Librarian's National Insurance number

The librarian's NI number is not relevant data

10 .

A single record in a data file .......

contains data about one object of interest

is the same as a database table

usually holds data about several objects of interest

will always contain a large number of fields

It would be confusing if each record held data that was not related

You can find more about this topic by visiting BBC Bitesize - Data and databases

Author: Duncan Daish

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