Quiz for File operations getc

Q1: What does the getc() function do?

A. Reads a character from a file stream B. Writes a character to a file stream C. Closes a file stream D. Opens a file stream

Q2: Which header file declares getc()?

A. <stdio.h> B. <stdlib.h> C. <string.h> D. <fcntl.h>

Q3: What is the return type of getc()?

A. int B. char C. void D. float

Q4: What does getc() return on end of file or error?

A. EOF B. 0 C. -1 D. NULL

Q5: Can getc() be used with stdin?

A. Yes, getc(stdin) reads a character from keyboard B. No, only files C. Only with fopen D. Only with fclose

Q6: Is getc() a macro or function?

A. Implementation dependent, often macro B. Always function C. Always macro D. Neither

Q7: Which function is similar to getc()?

A. fgetc() B. putc() C. fputc() D. getcchar()

Q8: How to check for EOF after getc()?

A. Compare return value with EOF constant B. Check for zero C. Check for NULL D. Check for -1 only

Q9: What type of data does getc() read?

A. A single character B. A line of text C. An integer D. A string

Q10: Can getc() read binary files?

A. Yes, it reads one byte at a time B. No, only text files C. Only formatted data D. Only ASCII files

Q11: Which is the correct syntax for getc()?

A. getc(fp) B. getc() C. getc(fp, ch) D. getc(&fp)

Q12: What happens to file pointer after getc()?

A. Advances by one byte B. Remains same C. Moves back D. Moves to file start

Q13: Is getc() buffered?

A. Yes, reads from internal buffer B. No, reads directly from disk C. Depends on compiler D. Only in Linux

Q14: What is the difference between getc() and getchar()?

A. getc() reads from any FILE*, getchar() reads from stdin B. No difference C. getc() reads lines, getchar() reads chars D. getc() writes, getchar() reads

Q15: Can getc() cause errors if file is not opened?

A. Yes, results in undefined behavior B. No, safe always C. Returns zero D. Returns EOF

Q16: What is the equivalent function to getc() for output?

A. putc() B. fputc() C. printf() D. puts()

Q17: Does getc() support wide characters?

A. No, it reads single-byte chars B. Yes, always C. Only on Windows D. Only with special flags

Q18: How do you check for errors after getc()?

A. Use ferror() on file stream B. Check if getc() returns zero C. Use errno only D. No error checking needed

Q19: Which of the following is a valid use of getc()?

A. char ch = getc(fp); B. int ch = getc(fp); C. getc(fp, &ch); D. getc(&fp);