АКТ

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Information and communication technologies (ICT) are

software and hardware tools that are integrated with the aim of collecting, processing, storing, distribution, display and use of information in the interests of its users

wide range of digital technologies used to create, transfer and dissemination of information and services (computer hardware, software, telephone lines, cellular communications, e-mail, wireless and satellite technologies, network and wireless cable communications, multimedia, and the Internet)

set of methods and processes that are integrated to collect, process, store, distribute, display, and use of information in the interests of its users

methods of collection, processing, storage, distribution, display and use of information in the interests of its users

software tools for the collection, processing, storage, distribution, display and use of information in the interests of its users

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ICT features. Point irrelevant variant

Knowledge management

Versatility

Optimality

Effectiveness

Network

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All ICT tools can be divided into the following types:

Software, hardware

Utilities and operating systems

System and application tools

Information and management

Software and service

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Three main organizations developing standards in the field of information technology

ITU, ISO, SEN

ITU, SEN

ISO, IEC, ITU

ISO, OI, ITU

ITU, OI, SEN

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Information is :

Facts which contains the scientific terms.

Information about persons, objects, facts, events, phenomena and processes, regardless of the form of their presentation.

Messages transmitted in the form of signs or signals.

Messages that reduce the uncertainty of knowledge.

The sequence of some alphabet signs.

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Information processed by the computer is encoded:

only using ones and zeros;

using ordinary digits;

with symbols and digits;

with Latin letters.

with symbols;

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The coding is:

expression of data of one type through data of a different type.

binary word of fixed length;

sequence of signs;

a random finite sequence of signs;

a system of symbols or signals.

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The property of information characterizing the quality of information and determining the sufficiency of the data for decision making:

Completeness

Reliability

Adequacy

Availability

Relevance

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The property of information reflecting the true state of the object:

Completeness

Reliability

Accurate

Availability

Relevance

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The quality of information that indicates the possibility of obtaining the necessary information:

Completeness

Reliability

Adequacy

Accessibility

Relevance

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The information property that determines the correspondence of information to the current time:

Completeness

Reliability

Adequacy

Availability

Relevance

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The property of the relevance of information is ...

A complete description of phenomena

A complete characterization of the essence of phenomena

Timeliness and importance of information

A process record in the language by the user

A clear description of the known solutions

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Information that is independent of personal opinion or judgment can be called:

Reliable

Actual

Objective

Usefull

Clear

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Operation with data, which is used to filter out unnecessary data that are not necessary for decision-making:

Data collection

Formalization of data

Filtering data

Data archiving

Transportation of data

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Operation with data that is used to order the data:

Sorting the data

Formalization of data

Filtering data

Data archiving

Transportation of data

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Information on the processing stage is divided into:

Input, output, internal and external

Symbolic, textual, graphic and sound.

Primary, secondary, intermediate and resultant.

Variable and permanent .

Text and graphic.

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One byte is equal to:

2 bits.

10 bits.

8 bits.

4 bits.

12 bits.

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According to the form of presentation, information can be divided into:

Continuous and economical.

Electrical and magnetic.

Digital and symbolic.

Continuous (analog) and discrete.

Statistical and logical.

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Byte is:

The minimum unit of information .

A unit of information quantity, not represented by 1 or 0 symbols

Information unit equal to 8 bits.

Indicator of computer speed .

A combination of four hexadecimal digits.

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Number systems are

analog and digital.

positional and non-positional .

discrete and continuous.

digital and alphabetic.

imitation

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To represent numbers in hexadecimal notation used:

0 - 9 and letters A to F;

A – Q and the letters A to F;

0 – 15 and the letters A - F;

0 – 7 and letters A - F;

2 – 8 and letters A - F.

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To represent numbers in octal number system uses digits4

0 – 8

0 – 9

1 – 8

0 – 7

2 – 8

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To represent numbers in the binary number system uses digits

0 – 1

0 – 9

1 – 8

0 – 7

2 – 8

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To represent numbers in the decimal system use numbers

0 – 1

0 – 9

1 – 8

0 – 7

2 – 8

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Number systems can be

analog and digital.

positional and non-positional.

discrete and continuous.

numeric and alphabetic.

simulation

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Convert decimal number 9 to binary system:

1000;

1101;

1001;

1011;

1110;

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Convert a binary number 1011 in decimal notation?

10;

8;

11;

12;

14.

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Calculate 1011 + 1000 in binary system

10000;

11011;

10011;

10111;

11101;

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Calculate 10111 - 10101inbinarysystem

101;

11;

10;

111;

110;

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Convert decimal number 25 tooctal number system:

10

28

31

12

15

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Convert decimal number160 to hexadecimal number system:

11;

В0;

А0;

12;

1С.

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Convert number 10 fromdecimalsystemtobinarynumbersystem:

1000;

1101;

1010;

1011;

1100;

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Convert decimal number 64 tooctal number system:

101;

112;

100;

125;

111.

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Execute addition in the binary system 1011+1101

10011;

11001;

11000;

10101;

11100;

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Convert number 11 fromthedecimalsystemto binary system:

1111;

1101;

1011;

1010;

1100;

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Convert number 13 fromthedecimalsystemto binary system:

1000;

1101;

1001;

1011;

1110;

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Convert binary number 1111 to decimal number system

11;

8;

15;

12;

14;

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Execute addition in the binary system 1001+1100

10011;

11001;

11000;

10101;

11100;

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Convert decimal number 100 tooctal number system

134;

112;

144;

125;

101;

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Convert decimal number 101 tooctal number system

144;

112;

145;

125;

101;

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