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Articles by Manish Kumar Saini
Page 2 of 80
Brushless DC Motors
An electric motor is an energy conversion device that converts electrical energy into mechanical energy. Therefore, the input to an electric motor is electricity, while the output of the electric motor is mechanical energy in the form of rotation of the shaft. Based on the type of electrical energy that motor requires to operate, the electric motors are classified into two types, i.e. AC Motor and DC Motor. An AC Motor or alternating current motor is one that transforms electrical energy in the form of alternating current into rotational mechanical energy. On the other hand, an electric motor ...
Read MoreAdvantages and Disadvantages of Windows Operating System
Windows Operating System is a type of operating system based on Graphical User Interface (GUI). It creates an interface between user and machine using graphical elements like icons, pictures, colors, and windows to make computing more intuitive and accessible. The Windows operating system was developed by Microsoft Corporation, an American multinational technology company founded by Bill Gates and Paul Allen. Windows is one of the most popular computer operating systems globally, with over 70% market share on desktop computers. The primary reason behind its popularity is its user-friendly interface, multitasking capabilities, and extensive hardware compatibility. ...
Read MoreBooting and Dual Booting of Operating System
When a computer or any other computing device is in the powerless state, its operating system remains stored in the secondary storage like Hard Disk or SSD. But, when the computer is started, the operating system must be present in the main memory or RAM of the system. When a computer system is started, there is a mechanism in the system which loads the operating system from the secondary storage into the main memory or RAM of the system. This is called Booting process of the system. There are two main scenarios depending on the number of operating ...
Read MoreBooting Process in DOS Operating System
Booting is the process of starting a computer or computing device such as a smartphone. When we press the power button, the booting process makes the computer ready for use by loading the operating system from secondary storage into main memory. When a computer is switched off, its operating system remains stored in secondary memory like the hard disk. However, for software execution, the OS must be loaded into main memory. The BIOS (Basic Input-Output System) activates when we press the power button, locates the operating system, and loads it into main memory − this entire process is called ...
Read MoreC-LOOK vs C-SCAN Disk Scheduling Algorithm
In computer systems, disk scheduling is required for smooth operation of the system. Disk scheduling is done by the operating system, which schedules I/O requests arriving at the disk. Therefore, disk scheduling is also called I/O scheduling. Multiple I/O requests from different processes may arrive simultaneously, but the disk controller can serve only one request at a time, requiring all others to wait for the next schedule. Operating systems use several disk scheduling algorithms such as FCFS (First Come First Served), SSTF (Shortest Seek Time First), SCAN, C-SCAN (Circular SCAN), LOOK, and C-LOOK (Circular LOOK). What is C-LOOK ...
Read MoreDifference between CSE and IT Branches of Engineering
CSE (Computer Science and Engineering) and IT (Information Technology) are two branches of engineering that deal with computer systems and technologies. However, they have distinct focuses and applications. The main difference between CSE and IT is that CSE focuses on the design and development of computer hardware and software systems, while IT focuses on the applications of computer technologies for information processing and management. In this article, we will discuss all the major differences between computer science and information technology. But before that let's have a look into the basics of CSE and IT branches of engineering individually. ...
Read MoreDifference between Bits and Quantum Bits
There are two fundamental units of information: Bits and Quantum Bits. Classical bits are the foundation of all modern digital computing, representing information as binary values of 0 or 1. Quantum bits, also called qubits, are the basic units of quantum computing that can exist in multiple states simultaneously through quantum mechanical properties. Understanding the differences between these two types of information units is crucial for grasping how classical and quantum computing systems operate fundamentally differently. What are Bits? A bit (Binary Digit) is the smallest unit of information in classical computing. It can exist in exactly ...
Read MoreDifference between Banana Pi and Raspberry Pi
Banana Pi and Raspberry Pi are popular single-board computers that look similar but differ significantly in their specifications and capabilities. Both platforms serve electronic hobbyists and developers who need affordable computing solutions for their projects, yet each offers distinct advantages depending on the application requirements. What is Banana Pi? Banana Pi is a single-board computer developed by the Chinese company Shenzhen SINOVOIP Co., Ltd. in 2014 as a competitor to Raspberry Pi. It features a dual-core Cortex-A7 ARM processor and supports various operating systems including Android and Linux distributions. The platform includes integrated connectivity options such as ...
Read MoreDifference between Analytical Engine and Difference Engine
The Difference Engine and Analytical Engine are two mechanical computing devices invented by the English mathematician Charles Babbage (Father of Computer) in the 19th century. The fundamental difference between these engines is that the Difference Engine performs basic arithmetic operations like addition, subtraction, multiplication, and division, while the Analytical Engine can perform more complex operations like trigonometric functions, logarithmic functions, and conditional operations. Both engines together laid the foundation of modern computing. Charles Babbage's Computing Engines Difference Engine (1822) • Basic arithmetic operations • Mathematical tables ...
Read MoreDifference between Virus and Malware
In the field of computer security, the terms virus and malware are often used interchangeably, but they represent different concepts. A virus is a specific type of malicious program that can replicate itself and spread to other systems, while malware is a broader term encompassing all software designed to damage or adversely affect computer systems. Understanding the distinction between these terms is crucial for effective cybersecurity awareness and implementing appropriate protection measures. What is Malware? Malware (malicious software) is any computer program or software specifically developed for damaging, disrupting, or gaining unauthorized access to computer systems or ...
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