Test on the topic information properties of information. Test on the topic: “Information and information processes. The carrier of text information is...

1. The subject of computer science is:
A) programming language;
B) robot device;
C) methods of accumulation, storage, processing, transmission of information;
D) public awareness.

2. Triples of zeros and ones can be used to encode ... various symbols.
A) 6;
B) 8;
C) 5;
D) 9.

3. The captain asks the sailor: “Is the lighthouse working?” The sailor replies: “It either lights up or goes out!” What is the beacon in this situation?
A) We receive information;
B) source of information;
C) communication channel;
D) interference.

4. In what century did the first devices capable of performing arithmetic operations appear?
A) In the 16th century;
B) In the 17th century;
C) In the 18th century;
D) In ​​the 19th century.

5. A mechanical device that allows you to add numbers was invented by:
A) P. Norton;
B) B. Pascal;
C) G. Leibniz;
D) D. Neumann.

6. For what number system were the first seven-pointed abacus adapted?
A) For septenary;
B) for binary;
C) for decimal;
D) for unary.

7. What device in Russia was called “Iron Felix”?
A) office accounts;
B) mechanical adding machine;
C) Kummer numerator;
D) counting bars

8. In what years of the 20th century did the first electronic counting machine appear?
A) In the 20s;
B) in the 40s;
C) in the 50s;
D) in the 60s.

9. In which generation of machines can data be entered using speech?
A) In the 2nd;
B) C) in the 3rd;
C) 4th;
D) in the 5th.

10. Computer architecture is:
A) Technical description of computer device parts;
B) description of devices for input/output of information;
C) description of software for computer operation;
D) a description of the structure and principles of operation of a computer sufficient for the user to understand.

11. What is a microprocessor?
A) An integrated circuit that executes commands received at its input (for example, calculation) and controls the operation of the machine;
B) a device for storing information that is often used at work;
C) a device for displaying text or graphic information;
D) a device for entering alphanumeric data.

12. Connecting individual computer peripheral devices to the bus at the physical level is possible:
A) using the driver;
B) using a controller;
C) without additional device;
D) using the utility.

13. External memory is required for:
A) to store frequently changing information in the process of solving a problem;
B) for long-term storage of information after turning off the computer;
C) to process current information;
D) for permanent storage of information about the operation of the computer.

14. To construct complex drawings using a computer in computer-aided design systems, use:
A) plotter;
B) graphics tablet (digitizer);
C) scanner;
D) joystick.
15. Information storage devices include:
A) printer;
B) C) processor;
C) ROM;
D) VZU.

16. Which of the following does not apply to software?
A) System programming;
B) driver;
C) processor;
D) text and graphic editors.

17. The file is called:
A) a set of data to solve the problem;
B) a named area on a disk or other computer storage medium;
C) a program in a programming language to solve a problem;
D) there is no correct answer.

18. In what file can a drawing be stored?
A) TEST.EXE;
B) ZADAN.TXT;
C) COMMAND.COM;
D) CREML.BMP.

19. Can two 2nd level directories have the same name?
A) No;
B) yes;
C) yes, if they belong to different 1st level directories;
D) I find it difficult to answer.

20. A necessary component of the operating system is:
A) RAM;
B) command processor;
C) central processor;
D) system configuration file.

21. What is a number system?
A) Numbers 1, 2, 3, 4, 5, 6, 7, 8, 9;
B) rules of arithmetic operations;
C) a computer program for arithmetic calculations;
D) this is a sign system in which numbers are written according to certain rules, using signs of a certain alphabet, called numbers.

22. What number systems are not used by specialists to communicate with computers?
A) Decimal;
B) ternary;
C) binary;
D) hexadecimal.
23. What is called the base of the number system?”
A) The number of digits used to write numbers;
B) the ratio of the values ​​of units of adjacent digits;
C) the arithmetic basis of the computer;
D) the sum of all digits of the number system.

24. All number systems are divided into two groups:
A) Roman and Arabic;
B) binary and decimal;
C) positional and non-positional;
D) integers and fractions.

25. Convert the number 27 from the decimal number system to binary.
A) 11011;
B) 1011;
C) 1101;
D)
E) 11111.

26. Why is the binary number system used in computers?
A) Because the constituent technical devices can only reliably store and recognize two different states;
B) because 1 byte is taken as a unit of information;
C) because the computer can only count to two;
D) because it is easier for a person to communicate with a computer at the level of the binary number system.

27. The algorithm is:
A) some true statements that should be aimed at achieving the goal;
B) reflection of the objective world with the help of signs and signals, intended for a specific performer;
C) a clear and precise instruction to the performer to perform a sequence of actions aimed at solving a given task or goal;
D) safety instructions.

28. The property of the algorithm - discreteness - means:
A) that the commands must follow each other sequentially;
B) that each command must be described with a specific performer in mind;
C) dividing the algorithm into a finite number of simple steps;
D) strict movement both up and down.
29. What type of algorithm should be chosen when solving a quadratic equation?
A) Linear;
B) cyclical;
C) branching;
D) cyclically branching.
30. A branching algorithm is:
A) the presence of at least one condition in the algorithm;
B) a set of commands that are executed sequentially; exactly one after another;
C) repeated execution of the same actions;
D) other.

31. Which of the following values ​​can only be an integer?
A) Average of three numbers;
B) first escape velocity;
C) distance between cities;
D) the number of floors in the house.

32. What is a network protocol?
A) Agreement on the method of information exchange;
B) file on the server;
C) network communication device;
D) network program.

33. What is needed to publish a Web site?
A) URL;
B) user's postal address;
C) user's email address;
D) username and password.

34. Fields with date type can be ordered:
A) alphabetically;
B) in chronological order;
C) in ascending order of one of the components;
D) by any of the above methods.

35. If a field is of date type, what record corresponds to this field?
A) November 10;
B) tenth of November;
C) 10; eleven;
D) 10-11.

36. A database report is:
A) an object that allows you to put the necessary data into a form;
B) an object intended for data entry;
C) an object intended for printing data;
D) table element.

37. When searching for information, an asterisk replaces:
A) a group of characters;
B) any one symbol;
C) any number;
D) date.
38. A spreadsheet is:
A) graphic information input device;
B) the computer equivalent of a regular table;
C) numerical information input device;
D) a device for processing numerical information.

39. The main element of spreadsheets is:
A) cell;
B) column;
C) string;
D) the entire table.

40. A block of spreadsheet cells is given:
A) line numbers of the first and last cells;
B) column names of the first and last cells;
C) indicating references to the first and last cells;
D) the area where rows and columns intersect.

Correct answers are highlighted in yellow!!

Bibliography

1. Computer science. Basic course. 2nd edition
2. Computer science: Textbook for universities - Textbook, St. Petersburg, 2011
3. Informatics: textbook - Publishing Center "MarT"; Phoenix, 2010
4. Fundamentals of computer science and computer technology

OPTION 1

1. WHAT IS THE OBJECT OF STUDYING COMPUTER SCIENCE?

Computer.

Information processes.

Computer software.

Properties of information.

2.What is information?

information, messages about the world around us and the processes occurring in it

information, explanations

content of any news

information about any events

content of any news, messages, information about any events

3. Establish a correspondence between the information property and its description:

reliability

completeness

clarity

value

timeliness

a) the language is understandable to the recipient
b) correctness, consistency
c) on time, at the right time
d) all necessary data is available
e) usefulness, importance, significance

4. A signal is called discrete if

this is a digital signal.

5.An analog signal is:

traffic light signal;

SOS signal;

beacon signal;

electrocardiogram;

road sign.

6.Match:

Example information:

rainbow

Birdsong

wet grass

smell of flowers

pineapple taste

Type of information:
a) taste
b) tactile
c) olfactory
d) visual
e) auditory

7. Match:

information processing and transformation

accumulation and storage of information

exchange (reception/transmission) of information

a) adding a new surname to the register book
b) studying literature to write an essay
c) recording new music on disk
d) receiving an email
e) solving the problem

8. According to the way a person perceives information, the following types of information are distinguished:

Test on the topic “Properties of Information”

OPTION 2

1.What is a signal?

Transfer of information

It is the physical process by which a person or device receives information

Representation of discrete information in the form of symbols

There is no right answer

Presentation of information with a certain degree of accuracy in the form of discrete

2. A signal is called analog if

it can take on a finite number of specific values;

it continuously changes in amplitude over time;

it carries textual information;

it carries any information;

this is a digital signal.

3. The discrete signal generates:

barometer;

thermometer;

speedometer;

traffic light.

4. An example of text information could be:

photo;

rule in a Russian language textbook;

multiplication table on the cover of a school notebook;

musical composition.

illustration in the book;

5.A person receives the greatest amount of information with the help of:

hearing organs;

organs of vision;

organs of touch;

olfactory organs;

taste buds.

6.According to the form of presentation, information can be divided into the following types:

mathematical, biological, medical, psychological, etc.

ordinary, production, technical, managerial;

text, numeric, graphic, sound, etc.;

scientific, social, political, economic, religious, etc.;

visual, auditory, tactile, olfactory, gustatory;

7. Establish a correspondence between the information property and its description:

relevance

accuracy

clarity

utility

completeness

a) the language is understandable to the recipient
b) non-distortion of the true state of affairs
c) on time, at the right time
d) sufficiency for understanding, decision making
d) importance, significance.

8. Match:

Example information:

hot coffee

cutlet taste

bright sun

the smell after the rain

rustle of leaves

Type of information:
a) taste
b) tactile
c) olfactory
d) visual
e) auditory

Option 1

1. Information in information theory is:

A) what enters our brain from many sources and in many forms and, interacting there, forms our structure of knowledge;

B) information that completely removes or reduces the uncertainty existing before its receipt;

C) an integral attribute of matter;

D) reflected diversity;

D) information that is new.

2. Information that does not depend on anyone’s opinion or judgment is called:

3. A person receives the greatest amount of information with the help of:

A) touch; B) hearing; B) sense of smell; D) vision; D) taste buds.

4. An example of text information could be:

A) musical background; B) multiplication table; B) illustration in the book;

D) photography; D) a replica of an actor in a play.

5. Information with which you can solve certain problems is called:

A) reliable; B) relevant; B) objective; D) useful; D) understandable.

6. An example of numerical information could be:

A) talking on the phone; B) illustration in the book; B) multiplication table;

D) symphony; D) greeting card.

7. Information according to the way it is perceived by a person is divided into:

A) textual, numerical, graphic, musical, combined;

B) everyday, socio-political, aesthetic;

C) visual, sound, tactile, olfactory, gustatory;

D) social, technical, biological, genetic

8. To perceive information, a person uses

A) channels of touch; B) hearing channels; B) all channels; D) channels of vision; D) muscle receptor channels.

9. The minimum unit of measurement for the amount of information is taken to be:

A) 1 baud; B) 1 pixel; B) 1 byte; D) 1 bit.

10. What is 1 byte equal to?

A) 2³ bits; B) 10³ bits; B) 2 10 bits; D) 10 10 bits.

11. 1 kbyte is equal to:

A) 1024 bytes; B) 16 bytes; B) 1 bit; D) 1024 GB.

12. Byte is...

A) 1024 bits; B) 0 bits; B) 1 bit; D) 8 bits.

13.How many bytes are in 4 MB?

A) 4000 2) 2 22 3) 2 12 4) 4 10

14. An information message of 12,288 bits corresponds to:

a) 1536 KB; b) 1.5 MB; c) 1.536 KB; d) 12 KB; e) 1.5 KB.

15. Match:

One of the properties of information:

a) reliability b) mass appeal

c) continuity d) subjectivity

17. Solve the problem:

The message takes 3 pages of 25 lines. Each line contains 60 characters. How many characters are in the alphabet used if the entire message contains 1125 bytes.

Test on the topic: “Information and information processes” Option 2

1.What does computer science study?

A) Computer science studies the design of a computer, how to turn it on and off.

B) Computer science refers to a set of disciplines that study the properties of information, as well as methods of representing, accumulating, processing and transmitting information using technical means.

C) Computer science studies a set of software tools used to work on a computer

D) Computer science studies all disciplines to use them to process information.

2. Information reflecting the true state of affairs is called:

A) useful; B) complete; B) objective; D) reliable; D) understandable

3. The mathematics textbook contains the following types of information:

A) graphic, text and numerical;

B) graphic, sound and numerical;

C) graphic, text and sound;

D) only text information;

D) exclusively numerical information.

4. Information presented in a language accessible to the recipient is called:

A) reliable; B) relevant; B) objective; D) useful; D) understandable.

5. Visual information carries:

A) the smell of perfume; B) picture; B) the sound of thunder; D) apple taste; D) mosquito bite.

6. Information according to the form of presentation is divided into:

A) everyday, aesthetic, socio-political;

B) social, technical, biological, genetic;

C) visual, auditory, tactile, olfactory, gustatory;

D) scientific, production, technical, managerial;

D) textual, numerical, graphic, musical, combined.

7. Information that is significant and important at the current moment in time is called:

8. Information sufficient to solve certain problems is called:

A) reliable; B) relevant; B) complete; D) useful; D) understandable.

9. The doctor, palpating the patient’s abdominal cavity, receives the following information:

A) taste; B) visual; B) auditory; D) tactile; D) olfactory.

10. What object cannot be considered as a carrier of textual information?

A) History textbook; B) a sign with the name of the store; B) magazine; D) cassette with classical music; D) newspaper.

11. How many bits are in 1 KB?

A) 1000 bits; B) 8*1024 bits; B) 1024 bits; D) 1010 bits.

12. A volume of 1 GB is equal to:

A) 1024 bytes; B) 1024 MB; B) 1024 GB; D) 1024 bits.

13. Beat is...

A) logical element; B) minimum unit of information;

B) a programming language constant; D) element of the algorithm.

14. An information message of 12,968 bits corresponds to:

a) 1621 bytes; b) 1.4 MB; c) 1.60 KB; d) 13 KB;. e) 1.583 KB.

15. One of the properties of information:

a) completeness b) mass c) continuity d) subjectivity

16. Match:

17. Solve the problem:

A 64-character alphabet was used to record the message. Each page contains 30 lines. The entire message contains 8775 bytes of information and takes up 6 pages. how many characters are in a line?

Test on the topic “Information and information processes”

8th grade ( to the textbook N.D. Ugrinovich)

1. Information is a measure of the orderliness of the system on the “chaos - order” scale in:

A) mathematics; B) chemistry; B) physics; D) astronomy.

2. In inanimate nature and closed systems processes occur in the directions from order to chaos, i.e. they contain information...

A) increases; B) decreases; B) disappears; D) stops development.

3. Living systems in the process of development are capable of increasing the complexity of their structure, that is, increasing:

A) the length of the message, as a method of transmitting information;

B) information understood as a measure of the orderliness of system elements;

C) the number of received information signals.

4. One of the main information functions of living organisms is:

A) reproduction; B) storage of genetic information; B) extinction.

5. A person constantly receives information from the outside world with the help of organs:

A) digestion; B) feelings; B) thinking; D) cardiovascular system.

6. People receive about 90% of information through:

A) vision; B) touch; B) hearing; D) sense of smell; D) taste.

7. People receive about 9% of information through:

A) hearing B) smell C) vision D) touch E) taste

8. People receive about 1% of information through:

A) hearing; B) vision; B) taste, smell, touch.

9. Storage media are needed for:

A) distribution of exclusively graphic information;

B) long-term storage of knowledge and its dissemination in society;

C) receiving and processing information; D) orientation in the surrounding world.

10. Which statement is false?

A) Receiving and processing information are necessary conditions for the life of any organism.

B) Languages ​​are used to exchange information between people.

C) Information can be divided into types depending on the form of presentation.

D) The process of information processing by technical devices is meaningful.

E) Management processes are a vivid example of information processes occurring in nature, society, and technology.

11. Which of the presented processes are informational?

A) Processes of construction of buildings and structures.

B) Electricity production processes.

B) Processes of chemical and mechanical water purification.

D) Processes of receiving, searching, storing, transmitting, processing and using information.

D) The processes of extracting minerals from the bowels of the earth.

12. Each sign system is built on the basis of:

A) natural languages ​​widely used by humans to present information;

B) the binary sign system used in the processes of storing, processing and transmitting information in a computer;

C) a certain alphabet (set of characters) and rules for performing operations on characters;

D) rules of alphabet syntax.

13. Choose from a list All languages ​​that can be considered formal languages:

A) binary number system B) programming languages ​​C) Cyrillic alphabet

D) German language E) musical notes E) Russian language G) road signs

H) Morse code.

14. The sequence of symbols of this sign system is called:

A) an informational error message; B) code; B) code length.

15. The minimum unit of measurement for the amount of information is taken to be:

A) byte; B) pixel; B) bit; D) bot.

16. A symmetrical octagonal pyramid is thrown. How much information do we receive in the visual message about its fall on one of the faces?

A) 1 bit; B) 1 byte; B) 4 bits; D) 3 bits.

17. What is the information volume of the text containing the word INFORMATION in 8-bit encoding?

A) 10 bits; B) 10 bytes; B)10 KB; D) 10 baud.

18. Convert 32 bits to bytes

A) 5; B) 2; AT 3; D) 4.

19. The information capacity of the sign of the binary sign system is:

A) gigabyte; B) bit; B) megabyte; D) byte; D) kilobyte.

20. How much information (from the alphabetical point of view) does the binary number 101 contain?

A) 3 bytes; B) 2 bytes; B) 3 bits; D) 2 bits.

21. Recoding is an operation:

A) transformation of signs or groups of signs of one sign system into signs or groups of signs of the same sign system;

B) exchange of information between people;

C) transformation of signs or groups of signs of one sign system into signs or groups of signs of another sign system.

22. The amount of information can be considered as:

A) unit of information message;

B) information capacity of the sign;

C) the measure of reducing the uncertainty of knowledge when receiving information messages.

23. During an exam, you take an exam card, and the teacher tells you that the message about its number carries 4 bits of information. Determine the number of exam tickets.

A) 2; B) 5; AT 8; D) 16; D)32.

ASSESSMENT

50 – 70% of correct answers – “3”;

71 – 85% correct answers – “4”;

86 – 100% correct answers – “5”.

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