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Ricky Barnes has Published 119 Articles

Ricky Barnes
40K+ Views
Race conditions, Critical Sections and Semaphores are an key part of Operating systems. Details about these are given as follows −Race ConditionA race condition is a situation that may occur inside a critical section. This happens when the result of multiple thread execution in critical section differs according to the ... Read More

Ricky Barnes
60K+ Views
The readers-writers problem relates to an object such as a file that is shared between multiple processes. Some of these processes are readers i.e. they only want to read the data from the object and some of the processes are writers i.e. they want to write into the object.The readers-writers ... Read More

Ricky Barnes
51K+ Views
EER is a high-level data model that incorporates the extensions to the original ER model. Enhanced ERD are high level models that represent the requirements and complexities of complex database.In addition to ER model concepts EE-R includes −Subclasses and Super classes.Specialization and Generalization.Category or union type.Aggregation.These concepts are used to ... Read More

Ricky Barnes
3K+ Views
To get the content of div which contains JavaScript script blocks, use the html() method. You can try to run the following code to get the content. With html(), get the content of div, which includes the JavaScript script.ExampleLive Demo ... Read More

Ricky Barnes
20K+ Views
Client/Server communication involves two components, namely a client and a server. They are usually multiple clients in communication with a single server. The clients send requests to the server and the server responds to the client requests.There are three main methods to client/server communication. These are given as follows −SocketsSockets ... Read More

Ricky Barnes
10K+ Views
In Operating System, the fork() system call is used by a process to create another process. The process that used the fork() system call is the parent process and process consequently created is known as the child process.Details about these are given as follows −ProcessA process is an active program ... Read More

Ricky Barnes
10K+ Views
Cooperating processes are those that can affect or are affected by other processes running on the system. Cooperating processes may share data with each other.Reasons for needing cooperating processesThere may be many reasons for the requirement of cooperating processes. Some of these are given as follows −ModularityModularity involves dividing complicated ... Read More

Ricky Barnes
29K+ Views
Mutex and Semaphore both provide synchronization services but they are not the same. Details about both Mutex and Semaphore are given below −MutexMutex is a mutual exclusion object that synchronizes access to a resource. It is created with a unique name at the start of a program. The Mutex is ... Read More

Ricky Barnes
17K+ Views
Process Scheduling handles the selection of a process for the processor on the basis of a scheduling algorithm and also the removal of a process from the processor. It is an important part of multiprogramming operating system.There are many scheduling queues that are used in process scheduling. When the processes ... Read More

Ricky Barnes
15K+ Views
A process is an active program. It can also be said as a program that is under execution. It is more than the program code as it includes the program counter, process stack, registers, program code etc. Compared to this, the program code is only the text section.A process passes ... Read More