2.5 Input/Output
3.1/3.2 Binary
3.5 Databases
2.3 Strings
100
to check that the data entered by a user or from a file meets specific requirements
What is validation?
100
The binary representation of the hexadecimal FA?
What is 11111010?
100
A unique identifier for each record in a table
What is a primary key?
100
a sequence of letters, characters, punctuation or spaces'
What is a string?
200
This data is the outer limits of what should be accepted
What is boundary data?
200
The binary representation of the hexadecimal BC?
What is 10111100?
200
a field in one table that uniquely identifies records in another table.
What is a foreign key?
200
a sub-program designed to perform a specific task
What is a function?
300
A validation method that ensures a user has entered data
What is a presence check?
300
the number of bits used to encode the colour of each pixel
What is colour depth?
300
a database that allows data elements to be related to any piece of data in another table as long as both tables contain common elements.
What is a relational database?
300
A loop that that cycles through each character in a string
What is string traversal?
400
A validation method to ensure the length of inputted data is within a specific range
What is a length check?
400
The size of a wave dependent on the volume of a sound.
What is amplitude?
400
the subject of a database about which data is stored
What is an entity?
400
When an integer data type is programmed to change into a string.
What is type conversion?
500
Used to separate values within a record stored in a file
What is a comma?
500
The correspondence between the original recording and the digital recording.
What is fidelity?
500
Having data entered more than once
What is data redundancy?
500
Joining two or more strings together
What is concatenation?
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