Beginner
Assembly Language
Q30 / 100
What is a system call?
Correct! Well done.
Incorrect.
The correct answer is B) A request to the operating system kernel to perform privileged operations like I/O
B
Correct Answer
A request to the operating system kernel to perform privileged operations like I/O
Explanation
System calls (e.g., read, write, exit) are invoked via SYSCALL (x86-64 Linux), INT 0x80 (legacy x86), or SYSENTER.
Progress
30/100