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Chapter 12: Problem 64

T F It is possible to open a file for both input and output.

Short Answer

Expert verified
Answer: Yes, it is possible to open a file for both input and output. In programming, file handling refers to the various operations performed on a file, such as creating, reading, writing, and closing it. When working with files, you typically open a file using a specific mode, which controls how the file can be accessed. A mode called "r+" allows a file to be opened for both reading (input) and writing (output). Therefore, the statement is True.

Step by step solution

01

Understanding File Handling

In programming, file handling refers to the various operations performed on a file, such as creating, reading, writing, and closing it. When working with files, you typically open a file using a specific mode, which controls how the file can be accessed. For example, reading a file (input) or writing to a file (output). Step 2: File Opening Modes
02

File Opening Modes

In file handling, there are several modes in which a file can be opened. Here are a few common modes: 1. r - Reading mode: Open a file for reading (input) 2. w - Writing mode: Open a file for writing (output) 3. a - Appending mode: Open a file for appending (output) 4. r+ - Reading and writing mode: Open a file for both reading (input) and writing (output) Step 3: Answering the Exercise
03

Answering the Exercise

Based on the information covered in steps 1 and 2, we can now answer the exercise. The statement given is "It is possible to open a file for both input and output." As we have seen, there is a mode called "r+" that allows a file to be opened for both reading (input) and writing (output). Therefore, the statement is True (T).

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Most popular questions from this chapter

If a program has read to the end of a file, what must you do before using either the seekg or seekp member functions?

How do you determine the number of bytes that a file contains?

T F A file may be opened in the definition of the file stream object.

Under what circumstances is a file stream object’s ios::eofbit bit set? What member function reports the state of this bit?

Which file access flag do you use to open a file when you want all output written to the end of the file’s existing contents?
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