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The Role of Computers Today

A computer is an electronic device with the ability to compute several operations and execute commands on its own. The invention of the computer has ushered in lots of differences in the society and poised to do much more. That said, this write-up will highlight several areas in which this device has proved to be resourceful in the community.

Science

design computer

The impact of computer development has contributed significantly in scientific research and development. Computers have made it possible to use various research tools such as satellites and telescopes among others. More to this, scientists can safely store information and communicate in any part of the planet.

Medicine

The development of computers has also played a significant role in the field of medicine. Computer technology has made it possible to diagnose millions of disease and come up with a remedy for each. A few of the areas in which this device has been of help include, making it possible for doctors to enjoy video conferencing with patients in remote areas, use of CT scan, ultrasound devices, and magnetic resonance imaging among other developments.

Education

Computer advancements have also brought numerous changes in education systems. Try to think about the benefits of the computer education, distance learning, the use of projectors and many more. All these have contributed to better education in various parts of the world.

Banking

The effects of computer advancements have also trickled into the banking industry. Some of the benefits of computer developments in the banking industry include the use of ATMs, mobile banking, and improved safety when carrying out money transfers.

Crime Investigations

Computer advancements have also been resourceful in crime investigations. Today, the rates of crime have reduced due to the establishment of CCTV surveillance cameras and advanced security systems. More to this, forensic science employs the use of computers to facilitate investigations.

Making Ticket Reservations

Years back, if you wanted a ticket, you had to visit a bus or railway station to buy one. Thanks to computers and internet technologies, getting a ticket is only a click away. These developments have made traveling easy. Besides, computer advancements have made the bookings convenient and affordable.

Government

Governments have also benefited from computer advancements. Today, it is easy for governments to maintain crucial data, maintain records, control equipment, and keep its boundaries safe thanks to computer technology.

These just a few areas have benefited from computer advancements. Other areas include agricultural, entertainment, sports, and metrology among many more.…

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LED vs. LCD TVs – Which is Which?

Shopping for a TV set can a daunting process. This is attributed to the fact that the number of manufactures and TV designs keep evolving thus further complicating the buying process. Some of the latest television models are plasma or LCD TVs and Light Emitting Diodes TVs. These two TV models have distinct features that set them apart. Here is an in-depth look at fundamental differences between LCD and LED TVs.

Technological Differences

watching lcd tv

This is one aspect that differentiates LCD and LED televisions. Ideally, LED TVs are a product of more recent technological advancements, while the LCD units are made from relatively old technologies. From a technical point of view, LED TVs are somewhat superior and LCDs.

Image Quality

Both the LCD and LED TV sets use polarization of liquid crystal material technology to create images. This material is found within a transparent enclosure. In both of these television types, illumination is achieved using a back-light feature. This light illuminates liquid crystal, and this brings about image formation.

The Picture quality differs between LED and LCD. This is attributed to the differences in source light. LED televisions produce quality pictures compared to the LCD TV model. Besides, LED TVs deliver light that is gentle on eyes compared to the LCD TVs.

Source of Backlight

As stated earlier, both LCD and LED TVs use a backlight to light up the liquid crystal that is responsible for image formation. The difference comes in the source of light or how light is projected to the screen. For, LCD TV model sources its backlight from cold cathode fluorescent lamps. On the other hand, LED TV models use light emitting diodes.

Power Consumption

In regards to power consumption, LEDs consume less power compared to LCDs. LEDs use solid-state semiconductors, which require low amounts of energy to light. Therefore, the heat generated is minimal. This explains why LEDs are known to consume less energy than LCDs. Thus, LED TVs are a perfect choice where power consumption is of concern.

Cost

quality tv image

When it comes to matters pricing, LEDs tend to be relatively priced compared to the LCDs. LEDs are latest models and have several distinct features over their counterparts. Most shoppers are willing to pay more for superior features offered by newer technologies, and this explains why LED cost more than LCDs.

These are just but a few significant differences between this two television technologies. As much as they might be relatively new compared to the traditional CRT models, LEDs have better features to offer.…

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