McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Computer Science Engineering (CSE) , Information Technology Engineering (IT) , Electrical Engineering , Civil Engineering , Mechanical Engineering .
Chapters
| 301. |
What is the value stored in sys.argv[0]? |
| A. | null |
| B. | you cannot access it |
| C. | the program’s name |
| D. | the first argument |
| Answer» C. the program’s name | |
| 302. |
How are default arguments specified in the function heading? |
| A. | identifier followed by an equal to sign and the default value |
| B. | identifier followed by the default value within backticks (“) |
| C. | identifier followed by the default value within square brackets ([]) |
| D. | identifier |
| Answer» A. identifier followed by an equal to sign and the default value | |
| 303. |
Where are the arguments received from the command line stored? |
| A. | sys.argv |
| B. | os.argv |
| C. | argv |
| D. | none of the mentioned |
| Answer» A. sys.argv | |
| 304. |
To open a file c:\scores.txt for reading, we use |
| A. | infile = open(“c:\\scores.txt”, “r”) |
| B. | infile = open(“c:\\scores.txt”, “r”) |
| C. | infile = open(file = “c:\\scores.txt”, “r”) |
| D. | infile = open(file = “c:\\scores.txt”, “r”) |
| Answer» B. infile = open(“c:\\scores.txt”, “r”) | |
| 305. |
To read the remaining lines of the file from a file object infile, we use |
| A. | infile.read(2) |
| B. | infile.read() |
| C. | infile.readline() |
| D. | infile.readlines() |
| Answer» D. infile.readlines() | |
| 306. |
What is the current syntax of remove() a file? |
| A. | remove(file_name) |
| B. | remove(new_file_name, current_file_name,) |
| C. | remove(() , file_name)) |
| D. | none of the mentioned |
| Answer» A. remove(file_name) | |
| 307. |
Which of the following mode will refer to binary data? |
| A. | r |
| B. | w |
| C. | + |
| D. | b |
| Answer» D. b | |
| 308. |
What is the difference between r+ and w+ modes? |
| A. | no difference |
| B. | in r+ the pointer is initially placed at the beginning of the file and the pointer is at the end for w+ |
| C. | in w+ the pointer is initially placed at the beginning of the file and the pointer is at the end for r+ |
| D. | depends on the operating system |
| Answer» B. in r+ the pointer is initially placed at the beginning of the file and the pointer is at the end for w+ | |
| 309. |
How do you get the name of a file from a file object (fp)? |
| A. | fp.name |
| B. | fp.file(name) |
| C. | self. name (fp) |
| D. | fp. name () |
| Answer» A. fp.name | |
| 310. |
Which function overloads the + operator? |
| A. | add () |
| B. | plus () |
| C. | sum () |
| D. | none of the mentioned |
| Answer» A. add () | |
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