Articles by Team EasyExamNotes

How many page faults

Prob. How many page faults will occur with a reference string 0,1,7,2,3,2,7,1,0,3?There are four frames which are initially empty.Use OPTIMAL Page replacement algorithm Sol. OPTIMAL … Read more

File Systems

A filesystem is the methods and data structures that an operating system uses to keep track of files on a disk or partition, that is, … Read more

System Calls in OS

A system call is a mechanism that provides the interface between a process and the operating system. system calls allow the user programs to ask … Read more

Operating sytems services

1. Program execution: The operating system Loads program into memory It Handles the program’s execution It Provides a mechanism for process synchronization It Provides a … Read more

Different Types of OS

Some of the most widely used types of Operating system. Simple Batch System Multiprogramming Batch System Multiprocessor System Distributed Operating System Clustered System Realtime Operating … Read more

Introduction to Compiler

Definition: A compiler is a software tool that translates high-level programming code into a lower-level representation that can be executed by a computer. Purpose: The … Read more