WorksheetsFile Processing in C++ Quiz
Total questions: 13
Worksheet time: 13mins
Which of the following is the correct syntax to open a file for reading in C++?
ofstream myfile("example.txt");
ifstream myfile("example.txt");
file.open("example.txt");
file.read("example.txt");
What is the primary purpose of using the EOF (End of File) marker when processing files?
To mark the beginning of the file
To indicate where the file was created
To signal the end of data in the file
To count the number of records in the file
When writing records to a file, which delimiter is commonly used to separate fields in text-based data files?
Semicolon ;
Colon :
Comma ,
Hyphen -
Which control structure is most commonly used to read data from a file until the EOF marker is reached?
if statement
for loop
while loop
switch statement
Which of the following methods appends data to an existing file in C++?
ofstream file("example.txt", ios::trunc);
ifstream file("example.txt", ios::app);
ofstream file("example.txt", ios::app);
file.open("example.txt", ios::in);
In file processing, what is a “record”?
A type of control structure
A unit of data, often representing a structured row in a file
A single character in a file
The end of file marker
To create documentation for the support and maintenance of a program, which information is most essential?
The name of each variable used in the program
A step-by-step description of how each function operates
Detailed error messages generated by the compiler
The cost of the development process
Which file access method allows direct access to a specific record in a file without reading previous records?
Sequential access
Random access
Stream access
Append access
When appending data to an existing file, what happens to the original content?
It is replaced with the new data.
It is deleted from the file.
It remains, and the new data is added to the end.
It is moved to a new file automatically.
Which of the following correctly describes the role of delimiters in file processing?
They help determine the end of a line.
They separate individual data fields within a record.
They indicate the beginning of the file.
They mark the end of the program.
In C++, which command is used to read data from an input file into a program?
cin >>
cout >
file.write()
How can loops be effectively used when processing multiple records in a file?
To automatically close the file after each record is processed
To read, process, and move to the next record until EOF
To write the entire file content without any conditions
To skip to the middle of the file
After receiving feedback on a program, what is the best initial step to improve the program?
Redesign the entire file structure
Analyze the feedback and identify actionable improvements
Ignore minor feedback and focus only on major issues
Delete and reimplement the program from scratch
