PCED- python and 2. Data Acquisition and Pre-Processing

Which of the following is a valid variable name in Python?

• 1_variable

• variable_1

• variable-1

• variable.1

What is the output of print(2 ** 3) in Python?

• 6

• 9

• 8

• 5

Which of the following is used to take user input in Python?

• read()

• gets()

• input()

• scan()

How do you check the data type of a variable x in Python?

• typeof(x)

• checktype(x)

• type(x)

• datatype(x)

Which of the following is an immutable data type in Python?

• List

• Set

• Dictionary

• Tuple

What is the correct way to define a function in Python?

• def function_name():

• function function_name():

• define function_name():

• void function_name():

What will range(5) return?

• A list of numbers from 1 to 5

• A list of numbers from 0 to 5

• A list of numbers from 0 to 4

• A list of numbers from 1 to 6

What is the primary purpose of data acquisition?

• Storing data

• Collecting raw data from various sources

• Deleting unwanted data

• Sorting data

Which of the following is NOT a common data source in data acquisition?

• Sensors

• Databases

• Websites

• Text Editors

In data pre-processing, which step helps in handling missing values?

• Data transformation

• Data cleaning

• Data visualization

• Data modeling