Getting Started Interview Questions
High PriorityUpdated August 14, 2026
1
What is an operating system, and what are its two main roles?
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2
What is the difference between an operating system and a kernel?
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3
Why don't applications normally access hardware directly?
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4
What happens when you run a program?
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5
What are the typical regions in a process's address space?
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6
Does calling printf always mean the program makes a system call immediately?
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7
Is main the first code that runs in a process?
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8
What is the difference between stack and heap memory in C?
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9
What are the major types of operating systems?
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