АКТ

1 апта

Pregunta 1

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

Pregunta 2

ICT features. Point irrelevant variant

Knowledge management

Versatility

Optimality

Effectiveness

Network

Pregunta 3

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

Pregunta 4

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

Pregunta 5

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.

Pregunta 6

Information processed by the computer is encoded:

only using ones and zeros;

using ordinary digits;

with symbols and digits;

with Latin letters.

with symbols;

Pregunta 7

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.

Pregunta 8

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

Completeness

Reliability

Adequacy

Availability

Relevance

Pregunta 9

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

Completeness

Reliability

Accurate

Availability

Relevance

Pregunta 10

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

Completeness

Reliability

Adequacy

Accessibility

Relevance

Pregunta 11

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

Completeness

Reliability

Adequacy

Availability

Relevance

Pregunta 12

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

Pregunta 13

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

Reliable

Actual

Objective

Usefull

Clear

Pregunta 14

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

Pregunta 15

Operation with data that is used to order the data:

Sorting the data

Formalization of data

Filtering data

Data archiving

Transportation of data

Pregunta 16

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.

Pregunta 17

One byte is equal to:

2 bits.

10 bits.

8 bits.

4 bits.

12 bits.

Pregunta 18

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.

Pregunta 19

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.

Pregunta 20

Number systems are

analog and digital.

positional and non-positional .

discrete and continuous.

digital and alphabetic.

imitation

Pregunta 21

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.

Pregunta 22

To represent numbers in octal number system uses digits4

0 – 8

0 – 9

1 – 8

0 – 7

2 – 8

Pregunta 23

To represent numbers in the binary number system uses digits

0 – 1

0 – 9

1 – 8

0 – 7

2 – 8

Pregunta 24

To represent numbers in the decimal system use numbers

0 – 1

0 – 9

1 – 8

0 – 7

2 – 8

Pregunta 25

Number systems can be

analog and digital.

positional and non-positional.

discrete and continuous.

numeric and alphabetic.

simulation

Pregunta 26

Convert decimal number 9 to binary system:

1000;

1101;

1001;

1011;

1110;

Pregunta 27

Convert a binary number 1011 in decimal notation?

10;

8;

11;

12;

14.

Pregunta 28

Calculate 1011 + 1000 in binary system

10000;

11011;

10011;

10111;

11101;

Pregunta 29

Calculate 10111 - 10101inbinarysystem

101;

11;

10;

111;

110;

Pregunta 30

Convert decimal number 25 tooctal number system:

10

28

31

12

15

Pregunta 31

Convert decimal number160 to hexadecimal number system:

11;

В0;

А0;

12;

1С.

Pregunta 32

Convert number 10 fromdecimalsystemtobinarynumbersystem:

1000;

1101;

1010;

1011;

1100;

Pregunta 33

Convert decimal number 64 tooctal number system:

101;

112;

100;

125;

111.

Pregunta 34

Execute addition in the binary system 1011+1101

10011;

11001;

11000;

10101;

11100;

Pregunta 35

Convert number 11 fromthedecimalsystemto binary system:

1111;

1101;

1011;

1010;

1100;

Pregunta 36

Convert number 13 fromthedecimalsystemto binary system:

1000;

1101;

1001;

1011;

1110;

Pregunta 37

Convert binary number 1111 to decimal number system

11;

8;

15;

12;

14;

Pregunta 38

Execute addition in the binary system 1001+1100

10011;

11001;

11000;

10101;

11100;

Pregunta 39

Convert decimal number 100 tooctal number system

134;

112;

144;

125;

101;

Pregunta 40

Convert decimal number 101 tooctal number system

144;

112;

145;

125;

101;

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