The text content is an important point in referencing, SEO and SERP. The text content can be seen as multiple keywords or phrases. When writing a text make it easier to read: The texts which is difficult to read, contains spelling mistakes etc can penalize the ranking of your site By properly defining the theme and flow: By inserting categories and subcategories you clearly delineate for the … [Read more...]
Difference between CD, DVD and Blu-ray disks
Compact Disk (CD) The CD (Compact Disc) is a disc that can store digital data. It is limited to 700 MB. There are two main types: CD-R you burn data, so that ultimately you can not erase the CD. CD-RW you can erase the disc and rewrite data on it. Replacing vinyl, we can distinguish the audio CD used for music industry and the CD-ROM can store any data. This disc can be read on CD … [Read more...]
Difference between LCD and Plasma display
The flat screen monitors There are two types of flat screens: Plasmas and LCDs. The advantages over old CRTs (CRT=Cathode ray tube) is that they occupy less space, consume less electricity (lower power consumption) and often have better image quality. LCDs and plasmas are two flat screens that is replacing our old CRT (CRT) monitors. One may wonder which is better? Today is the plasma … [Read more...]
WiFi versus Ethernet
Data Transfer To share data, historically, there are the cables those were used. For computers, the predominant technology is Ethernet. But it went with the big mainframes that can not be moved. Today, we try to make things very smaller and more mobile. For this, it seems obvious that the cables can not run in to the competition. The Wi-Fi wireless technology has arrived. This has many … [Read more...]
Tips for taking care of laptop’s battery
The constitution of a laptop's battery The battery is the component that stores electrical energy for laptop computers in order to use them without having to plug into an outlet. This item consists of capacitors. Most batteries used today are lithium-ion battery. You should know that a battery has a limited life span (2 years). In addition, it will gradually lose its capacity for … [Read more...]
What is virtual private network (VPN)?
What is a VPN? A VPN is a virtual private network. The goal is to connect to a server securely using the Internet. The information traveling on the Web will be encrypted. The primary purpose of VPN is to connect local area networks. It has long been used in the professional world. But it is also possible to use this connection to surf the Web anonymously. That is why this mode of … [Read more...]
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...]
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...]