Algorithms Articles - Page 9 of 39

The Backtracking technique is an algorithm used to solve the decision problem whereas the Branch-N-Bound technique is an algorithm used to solve the optimization problem. Both techniques follow the brute force method and are used to generate the State Space tree. A State Space tree is the tree that represents the nodes in all possible states of the problem from a root node to the terminal node.Let us learn both techniques one by one and understand the difference in detail. Backtracking Technique Backtracking is the modified process of the brute force approach where the technique efficiently searches for a solution ... Read More

The program that trains the learning sequence of a machine is called the learning model of that machine. A machine learning model is a programmed pattern of training that makes conclusions from the dataset that is previously used in machine learning. There are different machine learning models which are divided into different factors, like the type of task given to the machine. Models in Machine Learning The process of algorithmic learning methods to find certain scenarios and give outputs is known as the machine learning model. A specific pattern or output is found from the dataset, while training is called ... Read More

Block Cipher is an encryption algorithm that works with a symmetric key in a deterministic way. The plain text is divided into several blocks of equal size. If the length of the plain text does not allow block division of equal size, padding is done over the plain text. His type of encryption method can encrypt on blocks of 128 bits, the key can be 128, 192, or 256 bits. In block ciphers, the length of the plain text is equal to the length of the cipher text. This type of encryption process considered each block at a time and ... Read More

Longest Job First (LJF) is a CPU scheduling algorithm that prioritizes processes based on their burst time. In LJF, the processes with the largest burst time are given priority over the shorter ones. This algorithm works on a non-preemptive basis, meaning once a process is started, it will continue to run until it completes, and no other process can preempt it. To implement the LJF algorithm, processes are sorted in the ready queue based on their burst times in descending order. The process with the largest burst time among all the processes that have arrived until that time is selected ... Read More

Introduction Linear Scheduling Method is a scheduling algorithm designed for real-time systems in which tasks must be completed within specific time frames to ensure the system's proper operation. It is a straightforward algorithm that assigns tasks based on their deadlines and provides them with fixed time slices to complete their execution. In this article, we will learn about the Linear Scheduling Method its various elements, its advantages and disadvantages of usage in an Operating System What is Linear Scheduling Method in Operating System? The tasks in LSM are arranged in a linear order, and the scheduler moves through the list, ... Read More

The Least Slack Time (LST) scheduling algorithm is a real-time scheduling algorithm that prioritizes tasks based on the amount of time remaining before a task's deadline. The LST algorithm's basic idea is to schedule the task with the least slack time first because it has the least amount of time before its deadline. Real-time systems are intended to handle tasks or jobs with strict time constraints. These tasks are frequently carried out in a periodic or ad hoc fashion, with each task having a specific deadline by which it must be completed. Real-time scheduling algorithms aid in the completion of ... Read More

Multiple processes that are running on various machines or nodes and interacting with one another to accomplish a single objective makeup distributed systems. In these systems, it's crucial to make sure that only one process is able to utilize a shared resource at once to prevent conflicts and data inconsistencies. One way to make sure that only one function is using a shared resource at once is through the use of mutual exclusion and Lamport's Algorithm is one of many accessible mutual exclusion algorithms. Lamportís Algorithm A centralized mutual exclusion algorithm called Lamport's Algorithm employs timestamps to determine the sequence ... Read More

Encryption is a method to protect the incoming message by coding the plain text into an encoded one called the cipher text. The main ideology behind encryption is to protect the data transmitted to be secured from any type of attack. There are typically two types of encryptions namely symmetric and asymmetric encryption methods. In this, the encryption algorithm comes under the components of encryption. Decryption is a process of getting the plain text from the encoded text using an encryption key. Encryption Cryptography involves both encryption and decryption, to prevent the data from unauthorized access. The Components of Encryption ... Read More

AES (Advanced Encryption Standard) and Twofish are both symmetric key block cyphers, which means they encrypt and decrypt data using the same secret key. While the two algorithms have certain similarities, they also have some significant variations. In terms of performance, AES exceeds Twofish in hardware implementations, although Twofish might exceed AES in software implementations. This is due to the fact that Twofish has a more complex key schedule and a greater number of rounds than AES. Read this article to find out more about AES and Twofish and how they are different from each other. What is AES? AES ... Read More

Creating models or hypotheses is a crucial component of scientific study. It entails a methodical approach to issue identification, hypothesis or model development, and experimentation. The exploratory stage, the confirmatory stage, and the descriptive stage are the three steps that make up the construction of hypotheses or models. The exploratory phase is where theories or models are first developed. It entails collecting data, examining the connections between variables, and creating preliminary hypotheses or models. This stage, which is marked by a high level of ambiguity, is frequently employed to come up with new theories or concepts. The exploratory phase is ... Read More