Which of the following is a function of the operating system? MCQ with Answer and Explanation

Question
Which of the following is a function of the operating system?
A. Designing graphics
B. Printing documents
C. Managing files
D. Compiling programs
Answer: Option C
Solution (By JKSSB Mock Tests)
File management is a core OS function.
This question belongs to: Computer Computer Fundamentals
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Practice More Computer Fundamentals Questions

Question #1
What is the main advantage of integrated circuits over transistors?
A. Higher speed only
B. Easier to manufacture
C. Smaller size and lower cost
D. More reliable but slower
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Correct Answer: Option C

Explanation:
ICs pack many transistors into a small chip, reducing size and cost, while increasing reliability.
This question belongs to: Computer Computer Fundamentals
Question #2
Which number system is used internally by computers?
A. Decimal
B. Hexadecimal
C. Binary
D. Octal
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Correct Answer: Option C

Explanation:
Computers use binary (base-2) because electronic switches can represent two states: on/off.
This question belongs to: Computer Computer Fundamentals
Question #3
Which component of the central processing unit performs logical operations such as comparing two numbers to see which one is greater?
A. Arithmetic Logic Unit
B. Control Unit
C. Memory Management Unit
D. Input Interface
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Correct Answer: Option A

Explanation:
The Arithmetic Logic Unit (ALU) is split into two parts: the arithmetic section (addition, subtraction) and the logic section (comparisons like equal to, greater than).
This question belongs to: Computer Computer Fundamentals
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