I need help with the following questions for C++: Question 1 In order to use the
ID: 3715840 • Letter: I
Question
I need help with the following questions for C++:
Question 1
In order to use the file handling functions in C++, you must include this header file:
Question 2
To read from a file, create an object. To write to a file, create an object.
Question 3
What is it called when you open a file and read each piece of data in the file from start to finish?
sequential access
seeking
random access
Question 4
This function (or method) defined for ifstream or ofstream allows you to check to see if the file was opened successfully.
Question 5
Which statement is true about files?
a text file cannot be read by a human
a text file and a binary file are different names for the same thing
a binary file contains binary information and is machine readable
a binary file can be opened and read with software such as Notepad
Question 6
The term used in programming to indicate that there is no more data left in a file that is being read from sequentially is
Question 7
In any programming language, a flow of data between some device and your program is referred to as a
data flow
file
input flow
stream
Question 8
In this line of code, infile is a properly constructed file object and trainLoad is a variable holding data read from the file:
while (infile >> trainLoad)
What specific event will cause the expression to become false?
Explanation / Answer
Answers are highlighted in bold..
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Question 1
In order to use the file handling functions in C++, you must include this header file:
Ans:
Yes, <fstream> header file is must to perform file handling operations.
Question 2
To read from a file, create an object. To write to a file, create an object.
ifstream infile; //infile is read file object
ofstream outfile; //outfile is a write file object
Question 3
What is it called when you open a file and read each piece of data in the file from start to finish?
sequential access
seeking
random access
Question 4
This function (or method) defined for ifstream or ofstream allows you to check to see if the file was opened successfully.
filename.good()
Question 5
Which statement is true about files?
a text file cannot be read by a human
a text file and a binary file are different names for the same thing
a binary file contains binary information and is machine readable
a binary file can be opened and read with software such as Notepad
Question 6
The term used in programming to indicate that there is no more data left in a file that is being read from sequentially is
EOF (End of file)
Question 7
In any programming language, a flow of data between some device and your program is referred to as a
data flow
file
input flow
stream
Question 8
In this line of code, infile is a properly constructed file object and trainLoad is a variable holding data read from the file:
while (infile >> trainLoad)
What specific event will cause the expression to become false?
If there is not data in the file.
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