Operating System - Processes

Front

What is a process?

Back

A process is basically a program in execution, defined as an entity representing the basic unit of work in the system.

Front

What happens when a program is loaded into memory?

Back

When a program is loaded into memory, it becomes a process and can be divided into four sections: stack, heap, text, and data.

Front

What does the stack section of a process contain?

Back

The stack contains temporary data such as method/function parameters, return address, and local variables.

Front

What is the heap section of a process?

Back

The heap is dynamically allocated memory to a process during its run time.

Front

What does the text section of a process include?

Back

The text section includes the current activity represented by the value of the Program Counter and the contents of the processor's registers.

Front

What is contained in the data section of a process?

Back

The data section contains global and static variables.

Front

What is a program?

Back

A program is a piece of code written in a programming language that performs a specific task when executed.

Front

What is the difference between a program and a process?

Back

A process is a dynamic instance of a computer program.

Front

What is an algorithm?

Back

An algorithm is a part of a computer program that performs a well-defined task.

Front

What is a software?

Back

A collection of computer programs, libraries, and related data.