Panasonic, Sony, Akai, Crown and Aiwa no longer sell all-in-one HiFi systems (sometimes they referred to them as home theatre). Although selling the all-in-one "music system" returned good revenue and particularly Panasonic gained popularity for delivering quality systems at mid-range. The all-in-one HiFi systems reduced the required knowledge to purchase each component. The reasons they … [Read more...]
Computer and Internet
Computer and Internet is catchall section of core computing categories including Cloud Computing, Digital Photography, Virtualization, Networking, Protocols and Others' which are not otherwise more subcategorized. Here also you will get unique articles and news on computer hardware, Software, Networking and Protocols.
Model Railroading For Dummies
A model railway is a miniature replica of parts of a big railway. In addition to tracks and vehicles, buildings (e.g. station buildings), people, other vehicles (e.g. cars) and landscapes are often reproduced. In this article, we will help you to understand the basics so that you can purchase your own set. The first thing to decide is to determine where your train will run i.e. … [Read more...]
How Internal Pull Up/Down Resistor Works (Arduino/ESP32)
In the context of Arduino/ESP32, we usually add a resistor to the push button to complete the setup. Instead of using a resister, we can define the resister in code. In general, pull-up resistors are the more common simply because that is a thing we need most of the time due to the nature of logic inputs. In this article, we will explain how pull-up resistors work. Pull-down resistors will work in … [Read more...]
Can We Build a Nuclear Bomb Shelter at Home?
North America, India, and many European countries are presently at risk of getting involved in some war. There are countries whose governments are much more active to protect their citizens. So they already have some sort of bomb shelter either in their basement or backyard. The title of this article starts with "Can We Build" because you need to judge your situation (monetary fund, technical … [Read more...]
How Lean Manufacturing Works
Lean manufacturing is a management model that focuses on minimizing losses from manufacturing systems while maximizing value creation for the end customer. For this, it uses the minimum amount of resources, which is, those strictly necessary for growth. Eliminating waste improves quality and reduces production time and cost. Crucially, most costs are calculated at the design stage of a product. … [Read more...]
What is Kanban Method?
In software development, Kanban can be a visual process management system that indicates what to produce, when to produce it, and in what quantity; this approach is directly inspired by Toyota's production system and lean methods. Kanban is a work-related knowledge management method, which emphasizes a just-in-time organization by providing information to team members on an ad hoc basis so as not … [Read more...]
Required Hardware for Whole-House Ceiling Speaker Audio System
These days it is common to see ceiling speaker audio setups in shopping malls, hotels and restaurants. Without spending a lot of money, you can install your system with a kind of semi-DIY option. This article will explain what hardware you'll need to wire ceiling speakers of six rooms with independent volume and balance control at an affordable price. What Do You Mean By Whole-House … [Read more...]
Is chroot a Security Feature?
chroot stands for change root and is a function on Unix systems to change the root directory. It only affects the current process and its child processes. "chroot" itself can refer to both the chroot system call and the chroot utility. A program that has been "rooted" to a directory and has no open file descriptors outside the root virtual directory will no longer be able to access files outside … [Read more...]
What is Cybersquatting?
Cybersquatting or domain squatting, is a derogatory term for the registration of terms as Internet domain names, which the registrant is not entitled to. The registration of personal names is also called namejacking, that of brand names as brandjacking. When registering names and parts thereof associated with persons of public interest such as musicians, politicians or athletes, there may be room … [Read more...]
What is Phishing and How to Avoid Phishing Scams
Phishing refers to methods used to impersonate a trustworthy communication partner in electronic communication via fake websites, e-mails or short messages. The aim of this kind of fraud is to obtain personal information of an user to carry out a malicious action. As a result, identity theft is committed or malware is installed. It is a form of social engineering in which the credulity of the … [Read more...]
How Social Engineering Works
Social engineering is using interpersonal influences intending to induce certain behaviours in people, for example, to induce them to disclose confidential information, to buy a product or to release funds. The basic pattern of social engineering can be seen in fake phone calls: The so-called "social engineer" calls employees of a company and pretends to be a technician who needs confidential … [Read more...]