Process Control Block is a data structure that contains information of the process related to it. The process control block is also known as a task control block, entry of the process table, etc.It is very important for process management as the data structuring for processes is done in terms ... Read More

A thread is a lightweight process that can be managed independently by a scheduler. It improves the application performance using parallelism.A thread shares information like data segment, code segment files etc. with its peer threads while it contains its own registers, stack, counter etc.The two main types of threads are ... Read More

A remote procedure call is an interprocess communication technique that is used for client-server based applications. It is also known as a subroutine call or a function call.A client has a request message that the RPC translates and sends to the server. This request may be a procedure or a ... Read More

The Enhanced Entity Relationship Model contains all the features of the Entity Relationship model. In addition to all that, it also contains features of Subclasses, Superclasses and Inheritance.All of these in detail are as follows −SubclassesA subclass is a class derived from the superclass. It inherits the properties of the ... Read More

To get the value of div content in jQuery, use the text() method. The text() method gets the combined text contents of all matched elements. This method works for both on XML and XHTML documents.ExampleYou can try to run the following code to get the value of div content using ... Read More

What is jQuery? jQuery is a fast and concise JavaScript library primarily designed with a nice motto − Write less, do more. The main purpose of this library is to make it easier to use JavaScript on our website. jQuery simplifies HTML document traversing, event handling, animating, and Ajax interactions ... Read More

What is Functional DependencyFunctional dependency in DBMS, as the name suggests is a relationship between attributes of a table dependent on each other. Introduced by E. F. Codd, it helps in preventing data redundancy and gets to know about bad designs.To understand the concept thoroughly, let us consider P is ... Read More

A deadlock happens in operating system when two or more processes need some resource to complete their execution that is held by the other process.A deadlock occurs if the four Coffman conditions hold true. But these conditions are not mutually exclusive. They are given as follows −Mutual ExclusionThere should be ... Read More

What is Partial Dependency?Partial Dependency occurs when a non-prime attribute is functionally dependent on part of a candidate key.The 2nd Normal Form (2NF) eliminates the Partial Dependency.Let us see an example −ExampleStudentIDProjectNoStudentNameProjectNameS01199KatieGeo LocationS02120OllieCluster ExplorationIn the above table, we have partial dependency; let us see how −The prime key attributes are ... Read More

Context Switching involves storing the context or state of a process so that it can be reloaded when required and execution can be resumed from the same point as earlier. This is a feature of a multitasking operating system and allows a single CPU to be shared by multiple processes.A ... Read More