Priority Scheduling
In this article, we will explain another conmanly used CPU scheduling algorithm called “Priority Scheduling Algorithm”. Operating System stores various information about each and every process in their PCB. One of themRead More…
In this article, we will explain another conmanly used CPU scheduling algorithm called “Priority Scheduling Algorithm”. Operating System stores various information about each and every process in their PCB. One of themRead More…
In this algorithm, the process that has the shortest CPU burst time is selected first for the execution. When the CPU is available it is assign to the process that has theRead More…
CPU scheduling deals with the problem of deciding which of each process in the ready queue is to be allocated to the CPU. There are many algorithms available for scheduling purpose eachRead More…
When the CPU is forcefully deallocated from the currently running process before its completion, it is called preemption and such scheduling scheme is known as preemptive scheduling. When the CPU is onceRead More…
An operator is a special symbol that tells the compiler to perform some task. PHP offers various operators to perform different tasks. We can divide them into the following categories based onRead More…
Different CPU scheduling algorithms has different properties. Selection decision depends on the properties of various algorithms. There are many criteria need to be consider for comparing CPU scheduling algorithms. This characteristic isRead More…
The scope of a variable determines it’s accessibility in the program to refer it. PHP has four different variable scopes: Local Global Static Parameter Local Scope A variable declared within a PHPRead More…
A variable is a named memory area that can hold values or expression. We can consider a variable as a container that stores value. PHP variables are used to hold values orRead More…
A data type refers to the type of data that a variable can store. PHP offers eight various data types to work with. They are as follow: Integer number Float-point number StringRead More…
Business constraint defines business rules or business policy. Each organization have their specific rules about the data store. Check constraint can be used to define business rules. Check Constraint When constraint cannotRead More…