DC Full Form | Full Form of DC | What is the Full Form of DC

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Data Compression

DC stands for Data Compression.
DC is a digital signal process in which data to be transmitted is compressed to reduce the storage amount in bits.
In other words, you'll say that data storage space is reduced than usual after applying DC.
Data transmission greatly reduces data space for storing and transmission capacity.
It's also called source coding or bit-rate reduction. Database management system, backup utilities, etc use data compression method widely.
There are many file compression methods but ZIP and ARC are mostly known file formats.

Process of Data Compression

Two Parts of DC

Types of Data Compression

Lossy : In lossy compression method, some part of data is deleted or lost. Because it identifies then delete the unnecessary information before transmission.
Lossless : In lossless compression method, compression is done through identifying and eliminating any statistical redundancy. As an example, once we encode a data source before transmitting it, its size is effectively reduced and data also remains intact and unchanged.

Benefits of Data Compression

Faster file transfer : It improves the speed of file transfer as less bandwidth is required to download the compressed files.
More Storage Capacity : It allows you store more files within the available storage space, e.g. Lossless compression can reduce a file to 50% of its original size.
Reduces Cost : It allows you reduce the cost of storing data as after compression, you'll store more files within the given space for storing.
Reduces latency : On tape, the small file images are often scanned faster to reach a particular file that reduces latency.

Direct Current

DC also can be abbreviated as Direct Current.
Direct Current are often defined as electric charges (electrons) flowing in one single direction, i.e. from a part of negative charge to a part of positive charge through a conductor like a metal wire.
The intensity of the present may vary but the direction remains the same.
It's produced by sources like DC generators, batteries, solar cells and power supplies. Once you will draw a DC graph, it'll appear as if a flat line.
DC is used to charge batteries and work as power supply for electronic devices and is mostly used in low voltage applications.
It had been the first power to be transmitted commercially, but now it's been widely replaced by AC current.
To convert AC to DC we use rectifier, and to convert DC to AC we use inverter.

Types of Direct Current

Most equipments are generally more efficient when powered from DC
Less risk of electrical shocks when voltage is below 48 Volts
Over long distances, DC transmission line can transmit more power with less electricity losses. It also improves efficiency and lowers the transmission cost.
DC transmission lines require less land, narrow structure (smaller footprints) as compared to AC lines.

Domestic : Most electronic circuits use DC power supply.
Automotive : Automotive systems mostly use DC of 12 V but some uses 6 V or 42 V DC.
Telecommunication : Higher DC voltages like 48V to 72V power is converted to lower DC voltages like 36V, 24V, 18V, 12V, 5V through a DC-DC converter can be used for telecommunications system.
High-Voltage power transmission : DC is used for the bulk transmission of electric power from a high-voltage direct current.