Article Categories
- All Categories
-
Data Structure
-
Networking
-
RDBMS
-
Operating System
-
Java
-
MS Excel
-
iOS
-
HTML
-
CSS
-
Android
-
Python
-
C Programming
-
C++
-
C#
-
MongoDB
-
MySQL
-
Javascript
-
PHP
Articles by Arnab Chakraborty
Page 2 of 377
C program to find maximum of four integers by defining function
Suppose we have four numbers a, b, c, and d. We shall have to find maximum among them by making our own function. So we shall create one max() function that takes two numbers as input and finds the maximum, then using them we shall find maximum of all four numbers.So, if the input is like a = 5, b = 8, c = 2, d = 3, then the output will be 8To solve this, we will follow these steps −define a function max(), this will take x and yreturn maximum of x and ytake four numbers a, b, ...
Read MoreRoman to Integer in Python
Suppose we have Roman literals; we have to convert them into an integer. As we know the Roman numerals represent in some different symbols as below −NumeralValueI1V5X10L50C100D500M1000If we see the roman numbers closely, it is like suppose the numeral is 'II', so this is 2, there are two 'I's are added together. For XII, it is 12, so this is actually X + II = 10 + 2 = 12. The roman numerals of 4 are not IIII, it is IV. This is a little tricky.I can be used before V(5) and X(10) to make it 4 and 9 respectivelyX ...
Read MoreDisk Management in Operating System
As a computer user, you might have noticed that your computer's hard drive can become cluttered and slow over time. This is where disk management comes into play. Disk management is a process used by your computer's operating system to manage the storage of your data on your hard drive. In this article, we will simplify the concept of disk management and explore the different tasks involved in managing your hard drive. We will also discuss the tools available to help you manage your hard drive and some simple tips to keep your hard drive running smoothly. Definition of Disk ...
Read MoreDining-Philosphers Solution using Monitors
An operating system is software that manages every single aspect of a computer so that it can function smoothly and properly. Because of this reason, the OS has to perform several tasks simultaneously. Doing simultaneous tasks isn’t really a problem for the OS but when this simultaneous task uses a common resource, then it becomes a mishap. To overcome this situation synchronization is introduced, which basically manages the processes that share the same resource. Dining Philosophers problem is a classic synchronization problem. What is Dining Philosophers Problem? The story behind Dining Philosophers problem is that it represents a scenario where ...
Read MoreDeadlock, Starvation & LiveLock
In operating system, there are some common types of "stucking" situations. Among these, Deadlock, Starvation, and Livelock are three well-known terms. Deadlock, Starvation, and Livelock are related concepts in computer science that deal with synchronization issues in concurrent systems. Understanding these concepts is important for designing and implementing correct and efficient concurrent systems. Deadlock − A situation where two or more processes are waiting for each other to release a resource, creating a standstill. In other words, each process is holding a resource that the other process needs, and both are waiting for the other to release the resource. ...
Read MoreDifference between Deadlock Prevention and Deadlock Avoidance
Deadlock prevention and avoidance are crucial in operating systems because they help ensure that the system can continue to operate without being stuck in a deadlock. Deadlocks can cause a system-wide halt, leading to loss of data, system downtime, and reduced productivity. Therefore, it is essential to prevent or avoid deadlocks in a computer system to maintain its availability and reliability. Key Areas Covered What is Deadlock? What is Deadlock Prevention? Advantages and Disadvantages of Deadlock Prevention What is Deadlock Avoidance? Advantages and Disadvantages of Deadlock Avoidance Comparison between Deadlock Prevention and Deadlock Avoidance What is Deadlock? Deadlock ...
Read MoreFile System Structure
Introduction A file system is a way of organizing and managing files on a storage device such as a hard disk or a flash drive. It provides a logical structure to the physical storage space and allows users and applications to access and manipulate the files. A file system typically consists of three components: files, directories, and file metadata. The file system hierarchy starts with a root directory and includes subdirectories that can contain files and further subdirectories. File allocation methods, security, maintenance, and performance are all important considerations in designing and using a file system. Definition of File System ...
Read MoreFile system consistency checker
Introduction A file system consistency checker (FSCK) is a utility used to check and repair errors in a file system. It is important to maintain the health of a file system to avoid data loss and other problems. FSCK scans the file system for inconsistencies such as missing or corrupt files, directory structure errors, and file system metadata errors. If errors are identified, FSCK attempts to repair them. It is typically run manually or automatically during system startup. Running FSCK can take a long time, and there is a risk of data loss, so it is important to backup data ...
Read MoreFile Sharing and Protection
Introduction File sharing is the practice of distributing or providing access to digital files between two or more users or devices. While it is a convenient way to share information and collaborate on projects, it also comes with risks such as malware and viruses, data breaches, legal consequences, and identity theft. Protecting files during sharing is essential to ensure confidentiality, integrity, and availability. Encryption, password protection, secure file transfer protocols, and regularly updating antivirus and anti-malware software are all important measures that can be taken to safeguard files. This article will explore the different types of file sharing, risks associated ...
Read MoreFile Protection
Introduction File protection in an operating system is the process of securing files from unauthorized access, alteration, or deletion. It is critical for data security and ensures that sensitive information remains confidential and secure. Operating systems provide various mechanisms and techniques such as file permissions, encryption, access control lists, auditing, and physical file security to protect files. Proper file protection involves user authentication, authorization, access control, encryption, and auditing. Ongoing updates and patches are also necessary to prevent security breaches. File protection in an operating system is essential to maintain data security and minimize the risk of data breaches and ...
Read More