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Glossary of electronic communication and postal services
Glossary of electronic communication and postal services
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Hard Disk
Fixed memory on a disc, with high capacity and high data transfer speed on computers.
08.08.2008
Hardware
Set of physical components (electronic, magnetic and mechanical) or systems, such as a computer.
08.08.2008
Harmonised Standard
Technical specification adopted by a standardising body recognised by a mandate from the European Commission. It conforms to the applicable procedures and aims to establish European requisite. Compliance is not mandatory.
18.08.2008
HDTV - High Definition TV
Enhanced television system which provides a significant improvement to image quality, through the use of higher resolution (essentially four times higher than Standard Definition), and also provides 16:9 format viewing, which allows a field of vision that is more adapted to the human eye. It is often associated with multichannel sound, also with improved quality.
19.08.2008
Latest update: 03.12.2008
Latest update: 03.12.2008
Hertz (HZ)
Unit of frequency equal to a complete cycle of one wave per second. One kilohertz is equivalent to 1,000 cycles per second (cps), one Megahertz to one million cps and one Gigahertz to 1 billion cps.
28.10.2010
Hertzian Beam
Transmission system by the propagation of electromagnetic waves through the atmosphere using parabolic antennas.
08.08.2008
High Frequency
Term generally used to describe frequencies higher than voice frequencies.
06.08.2008
High Resolution
Term to describe the detail and superior quality of an image. Measured in respect of the number of pixels used to create the image. The higher the number of pixels, the better the image.
06.08.2008
High Speed Circuit Switched Data (HSCSD)
Evolution of the GSM system which enables transmission at speeds of up to 57 Kbps.
28.10.2010
Higher Telecommunications Equipment Room
Installation room of the equipment for receiving and processing sound and television signals of Types A and B and fixed connections via radio (FWA).
19.08.2008
Higher Telecommunications Space
In portuguese, Espaço de Telecomunicações Superior (ETS). Room, compartment, closet or box of restricted access, for the installation of equipment and establishment of connections for the reception and processing of sound and televised signals of types A, B and FWA.
08.08.2008
HLR - Home Location Register
Register of subscriber data used in mobile communications networks.
08.08.2008
Host
Computer of the Internet access supplier. It may be accessed through a terminal if it is connected to the network of an institution with a central computer directly connected to the Internet. The host of the Internet access supplier may also be accessed through a modem.
08.08.2008
HSCSD - High Speed Circuit Switched Data
Evolution of the GSM system which enables transmission at speeds of up to 57 Kbps.
08.08.2008
HTML - Hyper-Text Mark-up Language
Programming language used to develop and present sites on the World Wide Web in the form of Hyper-text. It is the language used by programmers to design pages on the World Wide Web.
08.08.2008
HTTP - Hyper-Text Transport Protocol
Network protocol used to move hyper-text files on the World Wide Web.
08.08.2008
Hyper-text
Text which, in electronic documents, links to other documents. To follow this link, the user only needs to click the mouse button on the highlighted words (for example, underlined and in blue letters).
08.08.2008
HZ - Hertz
Unit of frequency equal to a complete cycle of one wave per second. One kilohertz is equivalent to 1,000 cycles per second (cps), one Megahertz to one million cps and one Gigahertz to 1 billion cps.
08.08.2008
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Services and Useful Information
Tenders for the selection of provider(s) of universal service of electronic communications |
Consultation on the draft decision on billing and collection of penalties applied to the beneficiaries of the Reference Poles Access Offer of PTC - comments until 21.06.2013 |
ANACOM Conference 2013 - Financing the future, 01.07.2013 |
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World Radiocommunication Conference 2015 (WRC-15), Geneva, 2-27.11.2015 |
ARCTEL-CPLPhttp://www.arctel-cplp.org/ |
Positions, clarifications and statements issued by ANACOM between 2004 and 2013 |
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Access the services which we provide electronically |
FAQ on Audiotext, Digital Terrestrial Television - DTT, International Roaming, Licences for land mobile service private radiocommunications networks, Local Loop Unbundling, Message-Based value Added Services, National Numbering Plan, Operator Portability, R&TTE Regulatory Framework, Telephone Service at a Fixed Location and Universal Service, VoIP |
