WorksheetsDataScience - 9
Total questions: 14
Worksheet time: 7mins
What is the purpose of storage management in data science?
To store, organize, and retrieve data efficiently
To delete all data
To create graphics
To encrypt passwords
Which of the following is a mass storage device?
RAM
CPU
SSD
Monitor
What Python library is used in the example to create a DataFrame?
NumPy
Matplotlib
Seaborn
Pandas
What file format is used to save structured data in the program?
.txt
.csv
.json
.py
What does the ZIP file created in the program represent?
A compressed backup for storage
A log file
A data visualization
A code file
What library is used in Python to create a ZIP file?
shutil
os
zipfile
tarfile
What does os.remove( ) do in the program?
Compresses a file
Reads a file
Saves a new file
Deletes the original CSV file
Which of these is NOT a mass storage device?
Hard Disk Drive
RAM
Cloud Storage
Solid State Drive
What is the main benefit of using a ZIP file for storage?
Make code faster
Increase file size
Make file unreadable
Reduce storage size and make transfer easier
Which method is used to write files into a ZIP archive?
Where can compressed backup files be stored safely?
On RAM
On cloud platforms or external drives
In browser cache
Inside a loop
Which device is fastest for reading/writing large datasets?
HDD
SSD
CD-ROM
Floppy Disk
What is the typical use of a DataFrame in data science?
Drawing shapes
Creating ZIP files
Holding and analyzing structured data
Removing duplicates only
Why do we delete the original file after creating a backup?
To save storage space
To hide data
To increase performance
To convert it into an image
