Tuesday 24 April 2018

Something About Gigabit Switches


A network switch is a device that allows computers to communicate with each other. You will find many options available in the marketplace. These gadgets are categorized into three types: smart managed, unmanaged and managed switches. There are other switches with other additions as well.

Hubs and switches:
Switches are very similar to hubs but they are much faster. Both hubs and switches can form networks. In spite of this, hubs have been losing popularity and are now more affordable than before. Notwithstanding the pricing, most people are looking to buy switches because they come with better features.
The difference between a hub and a switch is not shorter than big. They send and process information but in a different way. Hubs take the information and send it to all the computers that are a part of a specific network. In contrast with hubs, switches receive the signal and analyze the information to then send it to a specific computer. With that, these prevent networks from getting congested due to an overload of information.


Types of switches:
Unmanaged switches are more suitable for homes and small businesses. They are PNP devices, it means, plug and play. They don’t need any type of previous configuration. Just connect them and they will start sending and receiving data. So far, one of the best gigabit switches belong to this categorization is TP LINK-5.
For larger businesses or computer networks, a managed switch is better. This type of device allows creating local networks. They enable you to change a wide variety of settings. You can reset the port speeds or change the host. In order to gain access to the switch settings, you have to install a new web browser or count on an interface like Secure Shell. TP-LINK 24-Port Gigabit was included in the top ten of the best gigabit switches in 2018.
A smart managed switch is the combination between the two types explained above. With such features belonging to unmanaged and managed Ethernet switches, you have much more control over your network. This is the main reason why they are gaining popularity. With them, it is possible to determine port speeds, yet they lack many other important features that most managed switches have.


Quality of Service and Jumbo Frames:
Quality of Service and Jumbo Frames are two common features that come with the best gigabit switches. Jumbo Frames permit you to get larger size of data. The Ethernet switch must be properly configured in order to use this function. On the other hand, Quality of Service allows prioritizing the information.
If you are an organized person, a rack mount switch could fulfill your needs. Ethernet switches can be easily stacked. You can add other computers to your network. $10 is enough to get a network started. For homes and small businesses a 1G Ethernet switch just does fine. You can connect printers, firewalls and several computers to only one switch. These devices often come with fiber ports and 10G copper. With such features, high-speed is guaranteed.

Conclusion:
All businesses are currently seeking to expand their networks. As a consequence, they are purchasing Ethernet switches instead of hubs. These amazing tool guarantees high speeds in data sharing. This is also a great asset if you have at least three computers at home. They are easy to use and do a great job blocking garbage information.
Check Protechlists.com ofr more details

Monday 5 June 2017

Choosing the Best Bluetooth Headset for Your Phone

Cell phones have become an important part of our life. Today’s there are a very few people who live without a mobile phone in their hand or in the pocket. But the mobile phones are not only for making and receiving calls. People have their own reasons for having these communication devices. The cell phones have made the life more easy and comfortable. Nowadays, mobiles are becoming a source of sharing information, music, and doing business apart from just making calls.
Bluetooth is one of the common features, that is present in every mobile phone. This feature makes the mobile phone more functional. You can transfer data between two mobile phones at a time that are in a specified range. And the latest Bluetooth version makes it possible to make hands-free phone calls through your mobile phone. Hence, it becomes necessary to know what are the best Bluetooth headsets?


It must be necessary to know the exact requirements before picking the best Bluetooth headsets. You should have to keep some points in your mind so that you are not cheated by any dealer. These are available in different shape, size, price and different features. The first and most important thing to keep in your mind before purchasing is whether it is compatible with your mobile phone or not. This is necessary to make sure because if the headset is not compatible with your phone then they are of no use.
If you scan the market, you find a variety of headsets varies in price. Some of them having low price as $10 and other are available with a high price as $300. The price of the each headset depends upon the feature they have. More cost means, the sound producing device having more additional features. All choice is yours! You can select any one that satisfies your needs and also fits in your budget. 
These sound devices are available with different features including noise cancellation, multipoint pairing, range, PC integration, stereo audio etc. You need to make a list of features that you want in the device. 

There are different types of Bluetooth headsets available in the market. Every type has some advantages and limitations. One of the most popular types is ear buds that are easy to use and are inexpensive. These are best noise cancellation devices but they create some pain in ears if you use them for long hours. Another type includes Bluetooth Wireless Headphones that allow the user to listen to music anywhere, anytime without any discomfort. These headphones are comfortable to wear and you can use them for a long time. Call quality is also one of the factors that are to be considered before buying a headset.  Battery life is also an important factor that must be in your list before picking up a headphone. All these factors need to be under consideration before purchasing a headset.
Conclusion:

In this article, there is the information that is required to make the best choice in selecting the best Bluetooth headset. Picking up the best headset will meet your both needs and budget as well. It is not difficult to find a good one, you just need to go through some basic research.

Sunday 4 June 2017

Buying Guide of a CPU Cooler

Every hardware in our computer system produces heat. This heat can hit peak level when CPU is loaded with heavy software or other multimedia pressings. It is important that the heat is absorbed to maintain a proper level of heat in your computer system to prevent overheating. The CPU is the most important part of your computer system; it should be protected from overheating for a better performance. It can be done by using a CPU Cooler. It is also known as processor cooler and air cooler. So here are some tips regarding air cooler for commercial purposes.
In older computers, there was an aluminum heat sink to absorb the heat. A fan also attached to it. This fan was used to throw the heat away out of the computer casing. Nowadays, computers are faster and generate more heat, so two or three fans are used to get required temperature.  Especially when you are doing multitasking fro whole day, then it is needed to cool down the system.
Now the development of multiprocessors is more than the past, so consider this fact when buying a CPU Cooler. It is because now more cores are developed under single chip, which causes the increase in heat.


There are many other factors except normal activities which cause your CPU to heat up. For example, dust is the main reason for heat. It can affect the working of heat sink and fans. The fans cannot work at their best because dust spreads on them.  So it is always advised that you should clean your system regularly. Poor airflow is another reason for overheating. If the air is not expelled properly, then the hot air stays in the casing which causes heat at a very high level. There should be equilibrium between air flows. The air expelled from the casing should be equal to air absorbed from the surroundings. In this case, cooling fans can be useful because they maintain proper air flow.
The following points should be considered when buying a best CPU Cooler.

1: Noise

Many coolers have great cooling power, but at the same time they make so much noise. This noise irritates the user and he cannot work properly. So buy one which makes less noise and has good cooling quality.

2: Heat absorption

These cooler consists of some cooling fans and heat sinks of different metals. These metals play very important role in heat absorption. For example, copper absorbs heat better than aluminum.  On the other hand, copper is heavier than aluminum. So keep this point in mind. Also check the reviews of the users regarding performance.

3: Static pressure

Static pressure indicates the capability of a fan for throwing in the air between the gaps of heat sinks. It is measured in mm H2O or mm Hg.

4: Air flow


As mentioned above, the air flow plays a very important role in cooling down systems. Always go with which has better measurements of air flow. We measure it in CFM, the higher the CFM it has, the better results it will provide.

Saturday 3 June 2017

Components of wireless routers

Wireless routers have become very important in this global village with the expansion of information and finding a best one is inevitable for the effective information distribution in business and domestic routines. Internet is the best way to approach data in this modern world. Wireless technology is an innovation which serves this mankind very well in providing an environmentally safe and smooth connection. These are the data access points actually. It’s an essential part of the WLAN (Wireless Local Access Network). These use their antennas wings to transmit the network to the surroundings.

Types:                                                                            
Classification of wireless routers is very important along with its types. The types of routers are distinguished on the basis of the standard provided by IEEE. For instance, consider the following case.
·         802.11 (b): The oldest generation routers with speed up to 11 Mbps.
·         802.11 (g): Their Max speed is 54 Mbps
·         802.11 (n): The latest generation of routers
Categories on the basis of frequency bands are as follows:
·         Single Band: All the standards are operated on 2.4GHz frequency
·         Dual Band: 2.4 GHz and 5 GHz bands both are used for the IEEE standards
·         Tri Band: Includes an additional 5 GHz band
Components:
Characteristics of these routers are defined by following components:
·         Main Body: A router has a main body in which we have a board like a motherboard. Every component is attached to it.
·         SOC (System on Chip): They are basically small chips and can be referred to as the integrated circuits present on the board of a router. Integrated Circuit can be called as a mini computer system as its function is to integrate the entire computer data components into a single circuit. The internet service details are also integrated on these chips like memory 1MB, 2MB etc.
·         WNIC: WNIC stands for Wireless Network Interface Controller. It is a small card or Chip having the wireless internal antenna. Without this card, wireless communication is not possible. A typical router has one or more WNICs as a part of the IEEE 802.11 standard family. These standards are also integrated into the main SOC which is ultimately attached to the main board. They are distinct cards which are explicitly connected over buses on the board like mini PCI interface. Furthermore WNIC contains PHY-chips and according to the specification of IEEE, the number of PHY-chips for WNIC is varied.
·         Modem: These come with following modems:
  •      DSL
  •      DOCSIS (cable interface)
  •           LTE
  •       Fiber Optic    



·         Antennas: These are the external antennas which are directly connected with the medium through which the waves are transmitted. Routers have either single or multiple antennas attached. They are important as they transmit data to the surroundings. They can also be referred to as frequency holders.
Salient Features:
These have following salient features:
·         Long Range: The range is very long and one can be sitting at a relatively large distance from the router than from the normal routers. This is the most crucial feature for a router to be the best wireless router ever.
·         High Frequency: The frequency of the transmitting waves is high like antennas of 5 GHz (450 Mbits/s) and hence the routers have no abrupt connection. High frequency refers to high speed.
·         Fine SoC: “Systems on a chip” are Integrated Circuits and they consume very low power consumption.
·         Efficient WNIC: This card works very efficiently in these routers because it uses the antenna to communicate via microwave Radiation.
·         Single Band V Dual Bands: These have dual bands as it transmits 5GHz on priority in 802.11a and also 2.4GHz on some other standards of IEEE.
Conclusion:

The best wireless routers will have all the above characteristics. In short, the routers with high speed, high range good internet network, parental control and many frequency bands. Most routers have Linux operating systems as well. The latest wifi router is of IEEE 802.11n type and has all the above qualities.