What is the full form of DC?

The full form of DC is Direct Current. Electric charge flows in a single direction with direct current. Direct current can go through conductors like wires and semiconductors and vacuum. Electric current differs from alternating current in that it flows in a consistent direction (AC).

Illustration of Direct Current

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DC is mostly used as a power source and to recharge electrical equipment’s batteries. In DC, you can choose between a dotted line, a straight line, or a combination of plus and minus signs.

Examples include electric vehicles, flat-screen TVs, mobile phone batteries, and flashlights.

How can AC and DC be converted from one to the other?

  • Using a converter, an alternating current (AC) can be changed into a direct current.
  • An inverter can change the direct current (DC) into an alternating current.

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Advantages of DC

  • When charged from DC, the electrical device is more powerful.
  • If the voltage is lower than 48V, there is a lower risk of electrical shock.
  • More power can be transmitted over longer distances with less electricity lost using a DC transmission line. Additionally, it improves performance and brings down transmission costs.
  • DC transmission lines require less ground and narrower structural support than AC lines.

Second full form of DC

Another full form of DC is Data Compression. Data to be conveyed is compressed using a digital signal process called DC to reduce the quantity of storage in bits. After applying DC, you can deduce that the data storage space is smaller than usual. Data storage capacity and transmission power are drastically reduced during data transmission. It is also known as source coding or bit-rate reduction. Back-end utilities, database management systems, and similar tools frequently employ the data compression technique.

Data compression components

Two essential components make up data compression:

1. The lossless

In the lossless compression method, compression is performed by identifying and eliminating any statistical redundancy. For instance, when we encrypt a data source before sending it, the size is quickly reduced, and the content remains unaltered and unaffected.

2. Lossy

The lossy compression procedure results in the removal or loss of some pieces of information. Since it detects and deletes unneeded material before transmission.

Benefits of DC

  • DC accelerates data transfer since downloading compressed data requires less bandwidth.
  • For instance, DC enables you to store numerous files in the allocated storage space. A file’s size will be reduced to 50% of its original size by compression without a loss.
  • Because you may fit many files in the available storage capacity after compression, DC aids in lowering the cost of information storage.
  • On tape, the tiny file pictures may be scanned more quickly to locate a particular file, reducing delay.
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