Option 1
1. Example of a discrete signal:
1) a traffic light signal
2) music playing
3) birdsong
4) a flash of lightning
2. According to the method of perception, information about smells is:
1) gustatory
2) olfactory
3) tactile
4) auditory
3) Information is objective if it:
1) reflects the true state of affairs
2) it does not depend on somebody’s opinion, judgement
3) it is essential to the present
4. it is expressed in an understandable language
4. Reliable information can be in the case of:
1) a bad channel of transmission
2) intentional distortion
3) exact translation into another language
4) faulty coding
5. Write the missing word.
Continuous signals can take ___________ many values from some range.
6. Complete the definition of the concept.
Actual information is information, ___________.
7. A property of information that refers to the sufficiency of information to understand and make a decision.
1. Reliability
2. Objectivity
3. Completeness
4. Relevance
8. Visual information is carried by:
1. a picture
2. sound of thunder
3. taste of an apple
4. mosquito bite
9. Correlate the types of information processes with the actions that implement them.
| 1) Audio | (a) An oblique look. |
| 2)Visual | (b) smell of perfume |
| 3)tactile | (c) stroking a cat |
| 4)Smell | (d) hearing thunder |
| 5)Taste | (e) eating candy |
Test on the topic “Information and its properties”, grade 7
2 variant
1. An example of a continuous signal:
1) Morse code.
2) music sounds
3) traffic lights signals
4) the sound of a metronome
2. According to the method of perception, information about the shape of an object can be:
1) taste
2) olfactory
3) auditory
4) visual
3. Information is reliable if it:
1) reflects the true state of affairs
2) does not depend on somebody’s opinion, judgement
3) is essential to the present
4. it is expressed in intelligible language
4. Biased information can be if it:
1) is obtained from a serviceable device
2) it includes an opinion of any person
3) it is accurately translated into another language
4) is obtained as a result of exact measurements
5. Write in the missing word.
Discrete signals can take ___________ many values.
6. Complete the sentence.
The same information can have different properties for ___________.
7. A property of information that means the information is presented in a form understandable to the recipient.
1. Credibility
2. Objectivity
3. Relevance
4. Clarity
8. The greatest amount of information a person receives with the help of:
1. organs of hearing
2. organs of vision
3. organs of smell
4. the organs of touch
9. Correspondence between the types of information processes and the actions that implement them.
| 1) Audio | (a) An oblique look. |
| 2)Visual | (b) smell of perfume |
| 3)tactile | (c) stroking a cat |
| 4)Smell | (d) hearing thunder |
| 5)Taste | (e) eating candy |
Answers:
Answers to the test on computer science Information and its properties in grade 7
Option 1
1-1
2-2
3-2
4-3
5. infinite
6. essential to the present tense
7. 3
8. 1
9. dacbe
Option 2
1-2
2-4
3-1
4-2
5. ultimate
6. different people
7. 4
8. 2
9. Dacbe
