7.6 Records and Files Flashcards
1
Q
What are the important steps to change the contents of a file?
A
- Open the file
- Read/write to the file
- Close the file
2
Q
What is a data structure?
A
A collection of elementary data types such as integer, real, Boolean, char or string
3
Q
Array data structure
A
Can hold items of an identical type
4
Q
Record data structure
A
A data structure consisting of a number of fields which can all be of different types
5
Q
What is a field?
A
A single tiem of data in a record
6
Q
What is a file?
A
A data structure that can store a collection of records
7
Q
What are the 3 modes a file can be opened in?
A
- Write mode
- Append mode
- Read mode
8
Q
Write mode
A
Allows writing to a file
9
Q
Append mode
A
Allows more data to be added to a file
10
Q
Read mode
A
Only allows the file to be read
11
Q
What needs to be assigned to the identifier for the file to be used in the program?
A
- Actual file name
- Path
