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Computer Science: Middle School: Grades 6, 7 and 8 Quiz - Data Storage 1 (Questions)

This Computer Science quiz is called 'Data Storage 1' and it has been written by teachers to help you if you are studying the subject at middle school. Playing educational quizzes is a fabulous way to learn if you are in the 6th, 7th or 8th grade - aged 11 to 14.

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A hard disk is a device for data storage. Today, more and more people are mobile: they are working on similar tasks at home, office, etc. Thus, the concept of storing data online is becoming increasingly common.

Try our first quiz on Data Storage.

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

[ ]	are arranged as exact copies of the data capture forms
[ ]	contain data arranged randomly
[ ]	contain data in organized structure
[ ]	store pieces of data wherever a space can be found

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

[ ]	chords
[ ]	discs
[ ]	records
[ ]	tapes

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

[ ]	fields
[ ]	furrows
[ ]	meadows
[ ]	segments

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

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

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

[ ]	is called a database
[ ]	is called a databaste
[ ]	is called a filing cabinet
[ ]	is difficult to keep tidy

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

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

[ ]	is a field
[ ]	is a file
[ ]	is a record
[ ]	is an index

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

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

Computer Science: Middle School: Grades 6, 7 and 8 Quiz - Data Storage 1 (Answers)

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

[ ]	are arranged as exact copies of the data capture forms
[ ]	contain data arranged randomly
[x]	contain data in organized structure
[ ]	store pieces of data wherever a space can be found

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

[ ]	chords
[ ]	discs
[x]	records
[ ]	tapes

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

[x]	fields
[ ]	furrows
[ ]	meadows
[ ]	segments

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

[ ]	all store the same data
[ ]	all store the same type of data
[ ]	are all the same size
[x]	store single items of data

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

[ ]	always contain the same data
[ ]	always have the same length - fixed size
[ ]	never contain duplicate data
[x]	usually have different lengths - variable size

The field is only as large as needed - saving memory

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

[x]	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

Which of these is not considered a database?

[x]	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 organization here

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

[ ]	is a field
[ ]	is a file
[x]	is a record
[ ]	is an index

A table may store millions of records

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

[ ]	Date book last issued
[ ]	Date of purchase
[ ]	ISBN number
[x]	Librarian's National Insurance number

The librarian's NI number is not relevant data here

10.

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

[x]	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