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What is a digital signature?

•   the resulting cryptographic (encryption) transformation of information using a private key signature props electronic document designed to protect the document from forgery, as well as from unauthorized changes

• data protection is to ensure not cryptographic methods of safety information (data) to be protection in accordance with applicable law, the application of technical, software and software and hardware

•   protection of information by legal methods, including the development of legislative and regulatory documents (acts) that regulate subjects regarding the protection of information, the use of these documents

• a subject who illegally trying to obtain, modify or destroy data of legitimate users

  a program that can reproduce itself, for this purpose, the virus has been attached to any program, as a result, it will be automatically executed during starting of the program

• data protection is to ensure not cryptographic methods of safety information (data) to be protection in accordance with applicable law, the application of technical, software and software and hardware

WWW means -

• Web Wikipedia Word

•   World Wide Word

• World Wikipedia Word

• World Wide Web 

• Wide Web  Word

.  Data management is…

•   an administrative process that includes acquiring, validating, storing, protecting, and processing required data to ensure the accessibility, reliability, and timeliness of the data for its users

• he first step toward handling the large volume of data, both structured and unstructured, that floods businesses daily

• good at collecting data, they are not managing it well enough to make sense of it

• gathering, analyzing, and storing today, companies turn to data management solutions and platforms

•   only through data management best practices that organizations are able to harness the power of their data and gain the insights they need to make the data useful

. The computer hardware is typically divided into …..       main categories

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. What is Routers?

A)    connects multiple network segments at the data link layer (layer 2) of the OSI model. Bridges do not pro

• connects multiple network segments at the data link layer (layer 2) of the OSI model. Bridges do not promiscuously copy traffic to all ports, as hubs do, but learn which MAC addresses are reachable through specific ports

• a networking device that forwards packets between networks using information in protocol headers and forwarding tables to determine the best next router for each packet

• a numerical identification (logical address) that is assigned to devices participating in a computer network utilizing the Internet Protocol for communication between its nodes  

• an electronic device that receives a signal and retransmits it at a higher power level, or to the other side of an obstruction, so that the signal can cover longer distances without degradation

•   is a computer network covering a small geographic area, like a home, office, or group of buildings

230.Menu is - …

•   a rectangular area on the screen where the commonly used applications run

• a picture or symbol which is used to represent a software application or hardware device

• a symbol such as an arrow which moves around the screen as you move your mouse. Helps you to select objects

• a list of options from which the user can choose what they require 

• a collection of words and symbols

.               topology connects one host to the next and the last host to the first. 

• Star;

• Ring;

• Mesh;

• Bus;

• Hierarchical .

.The main operating systems of your mobile phone are:

• Android

• Yahoo

• MS DOS

• Unix

• Linux

.  What is sound  information?

•   any information related to numbers and formulas, it can be not only a mathematical, but physical and statistical information  

• that information can be recorded on paper by hand or using a typewriter and printing equipment and stored on paper (manuscripts, documents, books, newspapers, etc.).

• this information can be processed by a variety of means and methods of Fine (fine arts, photography) and stored in the form of paintings, drawings, sculptures, photo cards, etc .

•   this information can be processed by a variety of means and methods of Fine (fine arts, photography) and stored in the form of paintings, drawings, sculptures, photo cards, etc .

• this information can be processed by means of a tape recording and stored on magnetic tapes, records and audio CDs 

. What kind of communications do you know between ICT and achievement of the objectives of a sustainable development in the Millennium Declaration?

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