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Connecting a laptop to a monitor allows you to use both screens simultaneously or use the monitor screen alone while closing the laptop screen. You can use a connecting cable such as HDMI, DisplayPort, USB-C, VGA, or DVI. This article explains how to find out what cable to connect your laptop to a monitor or use the monitor as a mirror to extend your laptop screen. There are two methods to do that, and we have mentioned each method in easy-to-follow steps − Method 1: Connect the Laptop to a Monitor First, you need to find what video output ports ... Read More
Introduction Expansion buses in PCs are interfaces that allow peripheral devices to connect to the motherboard and communicate with the CPU and other components of the system. Expansion buses typically consist of one or more expansion slots, and different types offer varying data transfer rates and maximum bandwidth. By providing a pathway for data transfer between peripheral devices and the CPU, expansion buses enable users to increase the functionality and performance of their computer systems. The ability to add new hardware components or upgrade existing ones through expansion buses has helped to extend the lifespan of PCs and has made ... Read More
Embedded operating systems and desktop operating systems are two distinct categories of software systems that serve different purposes. Embedded operating systems are designed to run on specialized devices, such as medical devices, automotive systems, or industrial equipment, which perform specific functions. Desktop operating systems, on the other hand, are designed to run on personal computers or laptops and support a wide range of applications. Understanding the differences between embedded and desktop operating systems is important for developers, engineers, and anyone working with software systems. Key Areas Covered What is an Operating System? What is Embedded OS? Advantages and Disadvantages ... Read More
There are times when we would want to know how many key-value pairs are present in a hash. These key-value pair counts are also known as the size of the hash. In Perl, we can find the number of keys in a Perl hash by using the "scalar" keyword or "keys" keyword. In this tutorial, we will explore two Perl examples where we will calculate the number of keys in a hash. Example Consider the code shown below. In this code, we have declared a hash named "countries" and in that hash, we have different countries, each having ... Read More
Introduction Edge chasing is a technique used in operating systems and computer hardware to handle events or signals that occur asynchronously with the processor's clock cycle. This technique involves detecting and responding to events or signals as they occur, or as close to their occurrence as possible, to minimize the delay between the event and the system's response. Edge chasing algorithms are used to implement this technique and are an essential component of interrupt handling, input/output operations, and other time-sensitive tasks in modern computer systems. Basic Edge Chasing Algorithms The two basic edge chasing algorithms are polling and interrupts. Polling ... Read More
Dynamic Partitioning is a memory management technique used in computing systems to allocate and deallocate memory resources as needed. Unlike static partitioning, dynamic partitioning allows for the creation of new memory partitions or the resizing of existing ones at runtime. Dynamic Partitioning plays a crucial role in modern computing systems, where efficient memory utilization is essential for optimal system performance. This article will provide an overview of dynamic partitioning, including how it works, its types, advantages and disadvantages, real-world applications, challenges, and future prospects. Definition of Dynamic Partitioning Dynamic partitioning is a computer memory management technique that allows the system ... Read More
In Perl, we can find the number of matches in a string by different approaches. In this tutorial, we will discuss the three most widely used approaches. Searching for a Single Character in a Perl String Let's first take the case where we would want to search for a single character pattern in a string. For example, let's suppose we have a string that look something like this − "India.Japan.Russia.USA.China" And, we want to find the number of times "." (dot) appears in the above string. Example Consider the code shown below. my $countries ... Read More
Diskpart is a powerful command-line tool in Windows that enables users to manage their hard drives, partitions, and volumes. It has been a part of the Windows operating system since Windows XP and is still relevant in the latest versions of Windows. Diskpart is particularly useful for advanced users and system administrators who need to perform disk-related tasks efficiently and quickly. This article aims to provide an overview of Diskpart command, including its definition, uses, and how to use it. Additionally, it will cover best practices when using Diskpart, including safety tips, backup and restore methods, and error handling. Definition ... Read More
The conversion between binary to decimal and decimal to binary is a necessity when it comes to dealing with binary data and using them in some simple applications. In Perl, we can convert from decimal to binary and vice versa in multiple ways. In this tutorial, we will explore different examples where we will first convert a decimal value into a binary value and then a binary value into a decimal value. Decimal to Binary in Perl Let's first see an example where we are given two decimal values and we want to convert them to their binary representation. ... Read More
Introduction Disk scheduling and management are essential components of a computer's operating system that handle the organization and access of data on a disk. Disk scheduling algorithms determine the order in which the read/write head of the disk moves to access data, which impacts the efficiency and speed of accessing data. Some commonly used disk scheduling algorithms include First-Come-First-Serve, Shortest Seek Time First, and SCAN. Disk management, on the other hand, involves tasks such as disk partitioning, formatting, and file system creation. It ensures that the disk is properly utilized, optimized for performance, and maintained to prevent data loss or ... Read More