From the ancient period to present day, wired technology has more benefits in providing its service of accessing internet without any disturbances from other signals. Because of its high speed transmission of information and reliability service, the wired technology has becoming more familiar for internet connection. There are several types of cables are used in the wired technology for easy and high speed transfer. Let have a look about the types of cables. The first and foremost cable used in wired is twisted pair cable. It is made of copper cables which are twisted together to form a pairs.
The ordinary telephone connections, Ethernet cables are made of this twisted pair cables but the count used will vary. For telephone cables, two pairs are used and in Ethernet, four cables are used in order to transfer both voice and data. These insulated copper wires avoid cross-talks and other electromagnetic radiations. It is of two types as shielded and unshielded and is used in various scenarios. Next, coaxial cables are introduced which is made of copper/aluminium wires with insulating layer. This insulating layer avoids interference occurrence during transmission. The speed of transmission is more as compared with twisted-pair cables. These cables are used in homes, offices and in local areas for connection.
Next advancement in cables produces optical fiber cable for transmission. This uses light pulses for transmission. It has more advantages as compared with other cables such as low loss in transmission, provides insulation from electromagnetic emission and has fast transmission rate up to trillion of bits per second. Everyone can use various color of light pulses in order to increase the transmission speed. As more advantages are seen, nowadays optical fibers are used in wired technology for fast transmission.
As many of the technology advancements are undertaken in the mobile world, accessing internet becomes easier. For the internet accessing process, two types of technologies are used. They are wired and wireless. Wired technology is the first developed one for internet connection. Because of its more reliability, still it is functioning successfully. Next, from wired the technology a step is moved ahead to wireless. This technology has rapidly developed because of its easy access at anywhere in the world. Let see the comparisons of both technologies to rectify the confusion of selecting the appropriate one for internet connection. The age of the wired technology has crossed more than billon years. In this wired technology, the electronic signals are transmitted from one place to another through cables like optical fibers, twisted pair cables, and so on. As compared with all the cables, optical fibers have more benefits than others. This wired technology paved way for multiplexing and SONET introduction. As compared with wireless, the cost of the connection is at affordable rates. The cost of wireless connection is more due to fixing the Wi-Fi antenna in appropriate places. The wired internet service is reliable. Because, these are never interfered by other microwave signals which is occurred in wireless. Hence, wireless in unreliable. The cost of maintenance for wired is low and hence it has more life time. The speed of the internet access is high. Because, once it is connected, there is no signal interference problem to interrupt which is facing probably in wireless technology. The quality of service (QoS) is more efficient in wired technology. As the transmission process is continuous without any distractions, wired has high efficient QoS service. Hence, due to reliability and less cost, wired technology is effective for internet access.
Technology is one of the vast subjects of the world that has huge impact on the development of the society. And the gadgets are the major units of the technological attributes. More clearly, a gadget is a machine or a tool, which is designed to perform a particular application. In fact they can also be engaged in performing different applications at the same time. They have made life easier and less complicated. The usefulness of various daily activities along with entertainment is nowadays comfortably provided by the gadgets. This utmost impact also affects the global markets hugely.
Different Types of Gadgets:
There are various types of gadgets. Along with examples, the types are given below:-
1. USB based gadgets like the speakers, electric guitars and phone call recorders.
2. Watch gadgets like the watches with stopwatches, timers, alarms, calendars, calculators etc. built-in.
3. IPod gadgets like audio systems and television sets.
4. Health gadgets like home thermometers and other diagnostic gadgets.
5. Spy gadgets like spy cameras, night vision binoculars and lie detectors.
6. Numerous types of cell phone gadgets.
7. Miscellaneous gadgets like biometric door lock systems and pocket PC
The gadgets nowadays are one of the friends to the human race for performing important applications like listening to music, watching videos and movies and other official works as well. Various branded companies focus on manufacturing and marketing lots of gadgets at economical rates due to the worldwide popularity. There is always a healthy competition between the companies in marketing the most advanced gadgets.
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