There are main two types of modems The modem is a device used to connect the Internet using a telephone or dedicated line. There are two types of modems, one that is most widespread is the internal modem. It is located inside the casing and is located on a PCI slot. The second is the external modem that is located outside the computer. It is connected to the PC via a cable. The advantage is that … [Read more...]
Hardware
Detailed article on computer hardware parts like RAM, Motherboard, Processor, Graphics card. Hardware also covers topics on hardware of Server, Single Board Computers like Raspberry Pi to Libre Hardware Projects.
Components of a motherboard
The motherboard is the main element of the computer is on it that connects all the computer components. There are 15 important items on a motherboard: Support for processor PCI slots The AGP The ISA slots The parallel port The serial port The PS2 port USB port The chipset The power connector The memory slots The floppy drive connector (FLOPPY) IDE connectors CMOS … [Read more...]
What are hub,switch and router
Network equipments These three components are used to connect computers together and create networks. For that, we must be able to connect to computers using Ethernet cables RJ45 or USB cables. It is also possible to connect to WiFi. Hub The hub unit is the simplest and cheapest way to create a network. It has multiple ports for RJ45 cables. When sending data, it sends … [Read more...]
Major causes for slowing down of your Windows 7 PC
Various causes for slowdown of Windows 7 PC Slowing down of a PC is often due to the presence of viruses on it, but it is not the only possible cause. It may be that your hard disk is full or it needs to be defragmented. Here is a list of possible causes of slow your computer: Malware (viruses, spyware and company) is present on your computer. After several installations, your files … [Read more...]
How to have a totally noiseless PC
Buy a less noisy PC The reasons for having a quiet computer is obvious, but you must understand that a silent PC performance inevitably will be diminished. Indeed, a powerful component heats up early and therefore need a more consistent cooling. We can therefore say that more a PC is more powerful, more noisy it will be. The main cause is noise generated by the cooling fans. It is not always … [Read more...]
What is a Network Address Translation (NAT) server?
Usefulness of the NAT server The number of IP (Internet Protocol) on the Internet is limited. A router will reduce this number through NAT (Network Address Translation). The computers will have different addresses on the local network and will use a NAT gateway with the router, which has a unique IP address visible on the Web. This router makes it possible to hide the local IP addresses. Consider … [Read more...]
Usefulness of graphics card,its function and characteristics
Function and characteristics The graphics card is a component that either plugs into the motherboard (external graphics card) or integrated within the motherboard (integrated graphics chipset). It manages everything that is visible on your computer screen. It is composed of a GPU; which is a graphics processor (now often equipped with a fan) and a graphics memory dedicated to it. That looks like … [Read more...]
Turning an old computer into a web server of your own
Principle of a server If you do not know what to do with your old computer, you must know that you can give it a new feature : turning it to a server. The principle of the server is to be permanently connected to the Internet to provide a particular service. This can be for example a Web server that will store your pages and make them accessible on the net. Indeed, it is not necessary to have a … [Read more...]
How to clean dust from a laptop
Disassemble the laptop When a desktop PC unit makes noise, we open the cabinet and dust off the fans. They can also be change with those that are quieter. The problem with laptops is that it is very difficult to disassemble. Indeed, to access the fans often requires removing several components and of course remember to order them back then. It is possible to do so, but be careful and be very … [Read more...]
What is a server?
A Server is generally a computer that makes its files available to other computers (in a network). The great thing about a server is that it stores files centrally and all users of the network can use these files together. Because the server files containing primarily holds, it is also called File Server, at least, especially when a company is operating within the server and saves documents. A … [Read more...]
Overclocking
The purpose of overclocking The overclocking is done to increase the clock speed of your processor (CPU) which increases the overall speed of your computer. We must be careful because it represents a danger to your computer components that may not withstand the blast and burn. There are two ways to change the speed; by changing the multiplier or directly to the system bus. For … [Read more...]