Computer Science Quiz

What type of data is stored in a binary file?

• Plain text

• Encoded strings

• Binary format (0s and 1s)

• Unicode format

Which of the following is not a difference between text and binary files?

• Binary files are not human-readable

• Text files store data as ASCII/Unicode

• Binary files are always smaller

• Binary files store data in raw format

What is the main purpose of using the pickle module in Python?

• Encrypt data

• Convert binary to text

• Serialize and deserialize Python objects

• Compress files

Which module is required to perform pickling in Python?

• binary

• pickle

• os

• marshal

Which of the following is used to save an object to a binary file?

• pickle.read()

• pickle.load()

• pickle.save()

• pickle.dump()

Which function is used to read an object from a binary file using pickle?

• pickle.dump()

• pickle.read()

• pickle.load()

• pickle.open()

What is the correct way to open a binary file for writing?

• open('file.dat', 'w')

• open('file.dat', 'rb')

• open('file.dat', 'wb')

• open('file.dat', 'ab')

Which file mode is used to open a binary file for reading?

• 'ab'

• 'wb'

• 'rb'

• 'r'

Which file mode is used to append data to a binary file?

• 'wb'

• 'ab'

• 'rb'

• 'a+'

What happens when you open a binary file in 'wb' mode?

• Data is appended to the file

• Data is read from the file

• File is deleted

• Existing content is erased and file is ready for writing