The name is a short form for Coding-Decoding. The codec manages all participant couplings and all image and sound signals. One can connect diverse video and audio equipment, such as cameras, VCR's, microphones, PC's etc. All equipment that can deliver a video signal can be connected. Digital signals are used in both electronic and light-based systems.
Digital technology makes it possible to compress signals for more efficient transmission.
A digital signature, allows a recipient of a signed document to verify the content and origin of the document. The signature also protects against forgery of the document by both sender and recipient. The signature also ensures that the sender cannot deny that he sent the document or the content of the document. Business data is defined as information such as electronically structured documents and forms. Typical examples from the health sector are prescriptions, laboratory results and medical bills.