41. Which function is used to read a line from a file in C++? A. getline() B. readLine() C. file.getLine() D. file.readline() Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
42. By default, all the files in C++ are opened in . . . . . . . . mode. A. Text B. Binary C. ISCII D. VTC Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
43. Which header file is required to use file I/O operations? A. <ifstream> B. <ostream> C. <fstream> D. <iostream> Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
44. Which function is used to reposition the file pointer? A. moveg() B. seekg() C. changep() D. go_p() Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
45. Which of the following is not used as a file opening mode? A. ios::trunc B. ios::binary C. ios::in D. ios::ate Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
46. Which of the following is used to create an output stream? A. ofstream B. ifstream C. iostream D. fsstream Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
47. What is the use of ios::trunc mode? A. To open a file in input mode B. To open a file in output mode C. To truncate an existing file to half D. To truncate an existing file to zero Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
48. Which of the following is not used to seek file pointer? A. ios::set B. ios::end C. ios::cur D. ios::beg Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
49. Which of the following is the default mode of the opening using the ifstream class? A. ios::in B. ios::out C. ios::app D. ios::trunc Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
50. Which of the following is used to create a stream that performs both input and output operations? A. ofstream B. ifstream C. iostream D. fstream Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board