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Data
Computers use binary code to store data.

Data

This Computer Science quiz is called 'Data' 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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What is Data? Characters and symbols might be data. Computers are designed to process data so it is important to understand what 'data' is and how it is different to 'information'.

See how much you know in the following quiz about data.

1.
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
2.
Which is not a measure of storage size?
Megabyte
Gigabyte
Terabyte
Kilabyte
3.
In most computers how many 'bits' make up a 'byte'?
8
9
32
36
The 'expected' answer - not the only correct answer!
4.
A storage location contains the digits - 31122012.
This might be a piece of data
This is a date
This is certainly a piece of information
None of these
Looks like a date but really could be almost anything
5.
Data is stored by computers in locations called .......
bikes
binaries
bytes
byttes
Bite or bites are alternative spellings
6.
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
it should be entered in small batches
Validation is checking for sensible, reasonable data
7.
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
8.
Which is not a means of entering data into a computer?
Bar-code reader
Keyboard
Monitor
Scanner
9.
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'
10.
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 analyzed
Author:  Duncan Daish

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