In the digital era or the information age, science and technology is developing so rapidly. In fact, without realizing it, there are many applications of digital technology that we often use in everyday life. Where, its existence acts as a medium or tool for activities in various fields of life.
In the previous material, it has been explained that digital technology is a technology whose operating system runs automatically using a computerized system. Basically digital technology is just a very fast counting system that processes all forms of information as numeric values or digital codes.
The emergence of digital technology at the end of the decade of the 70s marked the occurrence of a technological revolution. The term digital itself is an antonym or opposite of the term analog. Where, digital technology is a form of development of analog technology, but it is different from that technology.
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There are several digital technology applications that are often used here and are familiar in everyday life, including:
One application of digital technology in everyday life is a cell phone or cell phone. A cellular telephone is an electronic telecommunications device that uses radio waves to transmit data. In a cellular phone there are five important parts, namely the transmitter or transmitter, frequency survivor, receiver or receiver, logic unit or logic unit, and control unit or control unit.
Optical Disc (Compact Disc)
Another application of digital technology in everyday life is optical discs or compact discs. Optical discs are all around us such as CDs, DVDs, and BDs which are used as data storage media in digital form.
DSLR stands for Digital Single Lens Reflex. In simple terms, a DSLR is a camera that uses a mirror to direct light from the lens to the viewfinder. Viewfinder is a small hole behind the camera where we peek at the object of the photo.
An attendance finger print scanner has two jobs, namely taking a fingerprint image and deciding whether the fingerprint pattern from the captured image is the same as the fingerprint pattern in the database.
There are several ways to take a picture of a person’s fingerprint, but one of the most widely used methods today is optical scanning. The heart of an optical scanner is a charge coupled device (CCD), the same light sensor system used in digital cameras and camcorders.