Modern JavaScript from the Beginning - Second Edition - os Module
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Information Technology (IT), Architecture
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University
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Practice Problem
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary use of the OS module in Node.js?
To create web servers
To interact with the operating system
To manage databases
To design user interfaces
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which framework is mentioned as using the OS module extensively?
React
Angular
Electron
Vue
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the 'arc' method in the OS module return?
CPU architecture
Network interfaces
Total memory
Operating system name
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which value does the 'platform' method return for a Mac operating system?
Linux
Unix
Darwin
Win32
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of information does the 'cpus' method provide?
User account information
Network configuration
File system structure
Logical CPU core details
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is free memory calculated in gigabytes using the OS module?
By dividing by 1024 once
By dividing by 1024 three times
By dividing by 1024 twice
By multiplying by 1024
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the 'totalMem' method in the OS module return?
Total disk space
Total system memory
Total number of CPU cores
Total number of users
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