MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your C Programming knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following statements about stdout and stderr are true? |
| A. | Same |
| B. | Both connected to screen always |
| C. | Both connected to screen by default |
| D. | stdout is line buffered but stderr is unbuffered |
| Answer» D. stdout is line buffered but stderr is unbuffered | |
| 2. |
stdout, stdin and stderr are ________ |
| A. | File pointers |
| B. | File descriptors |
| C. | Streams |
| D. | Structure |
| Answer» B. File descriptors | |
| 3. |
What is FILE reserved word? |
| A. | A structure tag declared in stdio.h |
| B. | One of the basic data types in c |
| C. | Pointer to the structure defined in stdio.h |
| D. | It is a type name defined in stdio.h |
| Answer» E. | |
| 4. |
What does the following segment of C code do? |
| A. | It writes “Copying!” into the file pointed by fp |
| B. | It reads “Copying!” from the file and prints on display |
| C. | It writes as well as reads “Copying!” to and from the file and prints it |
| D. | None of the mentionedView Answer |
| Answer» B. It reads “Copying!” from the file and prints on display | |
| 5. |
Which type of files can’t be opened using fopen()?# |
| A. | .txt |
| B. | .bin |
| C. | .c |
| D. | none of the mentioned |
| Answer» E. | |
| 6. |
Which of the following mode argument is used to truncate? |
| A. | a |
| B. | f |
| C. | w |
| D. | t |
| Answer» D. t | |
| 7. |
Attach |
| A. | Append |
| B. | Apprehend |
| C. | Add |
| Answer» C. Add | |
| 8. |
In C language, FILE is of which data type? |
| A. | int |
| B. | char * |
| C. | struct |
| D. | None of the mentioned |
| Answer» E. | |
| 9. |
When a C program is started, O.S environment is responsible for opening file and providing pointer for that file? |
| A. | Standard input |
| B. | Standard output |
| C. | Standard error |
| D. | All of the mentioned |
| Answer» C. Standard error | |
| 10. |
What is the return value of getc()? |
| A. | The next character from the stream is not referred by file pointer |
| B. | EOF for end of file or error |
| C. | Nothing |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 11. |
What will fopen will return, if there is any error while opening a file? |
| A. | Nothing |
| B. | EOF |
| C. | NULL |
| D. | Depends on compiler |
| Answer» C. NULL | |
| 12. |
For binary files, a ___ must be appended to the mode string. |
| A. | Nothing |
| B. | “b” |
| C. | “binary” |
| D. | “01” |
| Answer» B. ‚Äö√Ñ√∂‚àö√ë‚àö‚à´b‚Äö√Ñ√∂‚àö√ë‚àöœÄ | |