Test on the topic information and types of information. Test on the topic: “Information and information processes. Information in the everyday sense is most often understood as
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
Test on the topic: “Information. Information processes"
Option 1
1. What does computer science study?
a) computer design;
b) methods of presentation, accumulation of information processing using technical means;
c) computer programs;
d) general school disciplines.
2. What property of information will be affected by its deliberate distortion?
a) understandability;
b) relevance
c) reliability;
d) completeness.
3. Select events that can be classified as information processes:
a) exercise on a sports apparatus;
b) roll call of those present in the lesson;
c) waterfall;
d) riding on a carousel.
4. Which of the following has the property of transmitting information?
a) stone;
b) water;
c) papyrus;
d) light beam.
5. Which of the following is involved in the information process?
a) sand;
b) house;
c) stone;
d) person.
6. What properties do objects have: bell, speech, fire, radio, email?
a) store information;
b) process information;
c) transmit information;
d) create information.
7. What is an information explosion?
a) daily news from hot spots;
b) an increased number of newspapers and magazines;
c) rapid growth of flows and volumes of information;
d) communication via the Internet.
8. Cybernetics is:
a) the science of artificial intelligence;
b) the science of the laws of control processes and information transfer in machines, living organisms and society;
c) computer science;
d) the science of the forms and laws of human thinking.
9. What object cannot serve as a carrier of information during its storage?
a) fabric;
b) paper;
c) magnetic materials;
d) ray of light.
10. A person accepts information:
a) magnetic fullnm;
b) a sense organ;
c) internal organs;
d) instrumental means.
11. The information culture of society presupposes:
a) knowledge of modern software products;
b) knowledge of foreign languages and their use;
c) ability to work with information using technical means;
d) the ability to remember a large amount of information.
12. Data is:
a) individual facts characterizing objects, processes, phenomena;
b) identified patterns in a certain subject area;
c) a set of information necessary for organizing the activities of the enterprise;
d) registered signals.
13. What is a graphical form of representing mathematical information:
a) mathematical equation;
b) function graph;
c) table of function values;
d) mathematical expression.
Option 2
1. What is the object of study of computer science?
a) computer;
b) information processes;
c) computer programs;
d) general school disciplines.
2. What should any signal that carries information be like?
a) changing;
b) continuous;
c) light;
d) electric.
3. How does a person convey information?
a) magnetic field;
b) speech, gestures;
c) light signals;
d) X-ray radiation.
4. Which of the following processes cannot be called an information process?
a) weighing information;
b) information coding;
c) storage of information;
d) information processing.
5. Which of the following does not have the property of storing information?
a) paper;
b) electron current;
c) magnetic floppy disk;
d) papyrus.
6. What properties do objects have: a door lock, a computer, a person?
a) objective;
b) relevant;
c) accessible;
d) reliable.
7. What is the name of information that reflects the true state of affairs?
a) floppy disk with games;
b) book;
c) geographical map;
d) sound card.
8. Informatization of society is:
a) the process of widespread distribution of PCs;
b) socio-economic and scientific-technical process of creating optimal conditions for meeting the information needs of citizens;
c) the process of introducing new information technologies;
d) the process of formation of human information culture.
9. The following are subject to exchange and sale on the information services market:
a) licenses, information technologies;
b) equipment, premises;
c) forms of primary documents, computer equipment;
d) books, magazines, literature.
10. What is science?
a) acquiring knowledge at school?
b) use of computer knowledge in practice;
c) acquiring knowledge about the world around us, previously unknown to mankind;
d) acquiring knowledge about methods of presenting, processing, and storing information using a computer.
11. What concept unites stone, papyrus, birch bark, book and floppy disk?
a) natural origin;
b) historical value;
c) storage of information;
d) weight.
12. The word “information” translated from Latin means:
a) information content;
b) information;
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 bit; 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?
7th grade. Test on the topic: “Information and information processes.” Option 1.
Which of the following statements most accurately reveals the meaning of the concept “information” from an everyday point of view?
a) a sequence of characters of some alphabet
b) information contained in scientific theories
c) library book collection
d) information about the surrounding world and the processes occurring in it, perceived by a person directly or with the help of special devices
A signal is called discrete:
c) which can be decoded
Information that is significant and important at the moment is called:
a) objective b) reliable c) relevant d) useful
It is known that a physically healthy person receives the greatest amount of information with the help of:
a) organs of touch b) taste buds c) organs of vision d) organs of smell e) organs of hearing
Indicate the “extra” object in terms of the type of writing:
a) French b) Chinese c) Russian d) English
Based on the form of presentation, information can be divided into the following types:
a) symbolic and figurative b) everyday, scientific, production, management
c) visual, auditory, tactile, olfactory, gustatory
d) mathematical, biological, medical, psychological, etc.
Give the most complete answer.
Binary coding uses an alphabet consisting of:
a) 0 and 1 b) any two characters c) signs + and - d) words YES and NO
For five letters of the Latin alphabet, their binary codes are specified (for some letters - from two bits, for some - from three bits). These codes are presented in the table:
Determine which set of letters is encoded by the binary string 0110100011000.
a) EVAEA b) EBCEA c) BDCEA d) BDDEA
On which line are the units of information arranged in ascending order?
a) gigabyte, megabyte, kilobyte, byte, bit b) bit, byte, kilobyte, megabyte, gigabyte
c) bit, byte, megabyte, kilobyte, gigabyte d) byte, bit, kilobyte, megabyte, gigabyte
A text of 600 characters is given. It is known that the characters are taken from a table of size 16x32. Determine the information volume of the text in bits.
a) 1000 b) 5400 c) 3600 d) 2400
Information processes are:
a) processes of construction of buildings and structures
b) processes of chemical and mechanical water purification
c) processes of collecting, storing, processing, searching and transmitting information
d) electricity production processes
Which line correctly represents the information transfer scheme?
a) source → encoder → decoder → receiver
b) source → encoder → communication channel → decoder → receiver
c) source→encoder→interference→decoder→receiver
d) source → decoding device → communication channel → encoding device → receiver
A search engine is NOT:
a) Yandex b) Rambler c) Google d) FireFox
7th grade. Test on the topic: “Information and information processes.” Option 2.
A signal is called continuous:
a) taking a finite number of specific values
b) carrying any information
c) which can be decoded
d) continuously changing over time
Information that does not depend on personal opinion or judgment is called:
a) useful b) objective c) understandable d) relevant
According to the way a person perceives, the following types of information are distinguished:
a) ordinary, production, technical, managerial
b) visual, auditory, tactile, olfactory, gustatory
c) scientific, social, political, economic, religious, etc.
d) textual, numerical, graphical, tabular, etc.
Indicate the “extra” object from the point of view of the agreement on the meaning of the signs used:
a) letters b) music notes c) numbers d) road signs
Formal languages include:
a) French b) Russian c) Latin d) Chinese
Discretization of information is:
a) the process of converting information from discrete to continuous form
b) a physical process that changes over time
c) quantitative characteristic of the signal
d) the process of converting information from continuous form to discrete form
How many different sequences of plus and minus symbols are there, exactly six characters long?
a) 20 b) 50 c) 64 d) 32
The chessboard consists of 8 columns and 8 rows. What is the minimum number of bits required to encode the coordinates of one chess field?
a) 7 b) 6 c) 5 d) 4
The message size is 11 KB. The message contains 11264 characters. What is the power of the alphabet with which the message is written?
a) 512 b) 256 c) 128 d) 64
The two texts contain the same number of characters. The first text is made up of alphabet characters with a power of 16, and the second text is made up of alphabet characters with a power of 256. How many times is the amount of information in the second text greater than in the first?
a) 4 b) 24 c) 2 d) 12
By information carrier we usually mean:
a) communication line b) Internet c) computer
d) a material object on which information can be recorded in one way or another
Hypertext is:
a) text that uses a large font size
b) very large text
c) text typed on a computer
d) text in which links can be followed
Queries to the search engine are given. For which query will the largest number be found?
corresponding pages?
a) content & swordtails
b) keeping & swordtails & catfish
c) breeding & keeping & swordtails & catfish
d) (contents & swordtails) | catfish
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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) the names of the columns 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
