chapter 3 process Flashcards
1
Q
what is process
A
The process is an instance of a program running
Program = static file (image)
Process = executing program + execution state
Different processes may run different instances of the same program.
2
Q
What is the process in the basic unit?
A
A process is the basic unit of execution in an operating system.
Each process has a number, its process identifier (PID)
3
Q
Process execution requires following resource?
A
Process execution requires the following resource:
- Memory to contain the program code and data
- A set of CPU registers to support.
4
Q
Modern OS runs on ……?
A
Modern OS run multiple processes concurrently (can run simultaneously).
5
Q
how compiler turn the program
A
A compiler turns that program into an instruction list
