SU1105930A1 - Device for checking knowledge levels of trainees - Google Patents

Abstract

A DEVICE FOR CONTROLLING KNOWLEDGE OF STUDENTS, containing blocks for inputting answers and entering response standards, whose outputs are connected respectively to the first and second inputs of the comparison unit, the third input of which is connected to the single power bus switch through the successively connected switch of the response power, the delay element whose input connected to a readiness switch, a question switch, a non-response switch, connected to the reset answer switch, and response registration blocks, The chains of series-connected indicators and registrars of the correct answer, the wrong answer and the absence of a response, the indicators are connected to the reset reset switch, and the recorders are connected to another power supply board, different in that. that, in order to increase the reliability of the device, an OR element is entered into it, the output of which is connected to the input of the question changer, and the first, second and third inputs correspond respectively to the outputs of the comparison unit, the delay element and the no answer switch, the response registration unit contains three elements And the additional delay element, the input of which is connected to the output of the switch of change of questions, the first, second, third and fourth inputs of the first element I are connected respectively to the outputs of the registrar incorrect the answer registrar and the additional delay element, the first, second, third and fourth inputs i of the second And element, respectively, to the outputs of the correct answer recorder, (I am the registrar of no answer, the main delay element and the question changer, the first, the second, third and fourth inputs of the third And element - respectively to the outputs of the registrar of an incorrect answer, the registrar of the correct answer, the switch of the absence of an answer and the switch of s questions, the outputs of the first, second and third AND elements soedinesd us respectively to the inputs of registers (T correct answer, the wrong answer and with lack of response.

Description

The invention relates to automation and computing, in particular, to devices for the automated acceptance of examinations, examinations and the consolidation of students' knowledge in the study of new material, and can be used in various educational institutions. A device for controlling the knowledge of students is known, comprising a successively connected readiness switch, a question coding element, a question changer switch and correct and incorrect response recorders made on a relay, an answer reset switch, a power bus and correct and incorrect answer indicators, a time delay element connected to the answer readiness switch, and the switch to change questions, and the answer readiness switch and the indicator of correct and incorrect answer directly and the registrars of correct and incorrect answers through the corresponding contact groups are connected to one power bus, the second power bus through the contact groups of registrars of incorrect answers is connected with the corresponding registrars and indicators of correct answers, through the contact groups of registrars of correct answers with the corresponding registrars and indicators of incorrect answers and directly with the reset reset switch 1. The disadvantage of the known device is that the trainee has only two possibilities, reducing to a conscious or unconscious choice of one of the suggested answers. As a result, an unprepared student to move on to the next question should run to enter a randomly selected answer. In this case, there is a contradiction in that, on the one hand, the training device is not able to separate the deliberately entered correct answer from the same answer obtained by random selection, on the other hand, the only way to move through the training material for an unprepared student is to enter randomly selected answer. As a result, the operation of the device proceeds in adverse conditions that inevitably cause distortion of the output. This reduces the quality of the selection of the proposed answers when they select students, and if there is doubt about the correctness, a purely mechanical choice of the answer option is made. Closest to the invention is a device for monitoring students' knowledge, comprising a series-connected readiness switch, a question coding element, a question changer switch, and correct and incorrect response recorders made on a relay, an answer reset switch, power ratios and indicators of correct and incorrect answers, a time delay element connected to the response ready switch and a question switch, the answer ready switch and the indicator Correct and incorrect answers directly, and the registrars of correct and incorrect answers through the appropriate contact groups are connected to the same power bus, the second power supply through the contact groups of the registrars of incorrect answers is connected with the corresponding registrars and indicators of the correct answers, through the contact groups of the registrars of the correct answers with the corresponding registrars and indicators of incorrect answers and directly - with the switch to reset the answers, sig recorders There are no responses on the relays with contact groups, the indicators of no response signals and the no response signal switch connected directly to the second power bus, and through the ticket changer switch to one of the no response recorder relay inputs connected via the corresponding first relay contact groups signal recorders of the absence of responses to the second power bus; other inputs of the relay of the recorders of the signals of no response through the series-connected Actual relay groups of the corresponding correct response recorders and incorrect response recorders are connected to the first power bus, no response signal indicators via the contact groups of the corresponding no response signal recorders are connected to the first power bus, directly to the second power bus, wrong answer indicators and recorders correct answers through series-connected contact groups of relays of the respective registrars of incorrect answers and third the contact groups of the relays of the corresponding non-response signal recorders are connected to the first power bus, the correct response indicators and the relay of the incorrect response recorders are connected via the sequentially connected contact groups of the corresponding correct response recorders and the fourth contact groups of the relay of the non-response signal recorders are connected to the first power bus 2. The disadvantage is devices for controlling the knowledge of students is the presence of a multi-sectional switch questions, as well as a large number of contact elements that reduce the reliability of the device. The purpose of the invention is to increase the reliability of the device. The goal is achieved by the fact that the device for monitoring students' knowledge contains blocks for inputting answers and inputting response standards, the outputs of which are connected respectively to the first and second wiring units of the comparison unit, the third input of which is connected to the single bus via the series-connected readiness switch and resetting answers power supply, a delay element, the input of which is connected to an answer readiness switch, a question switch, an unanswered switch, connected to a reset switch Commands, and response registration blocks, consisting of chains of consecutively connected indicators and registrars of the correct answer, incorrect response and no response, the indicators are connected to the response reset switch, and the recorders are connected to another power bus, an OR element is entered, the output of which is connected to the input the switch of changing questions, and the first, second and third inputs, respectively, with the outputs of the comparison block, the delay element and the non-response switch; the block of registration of answers contains three elements This And an additional delay element, the input of which is connected to the output of the switch of changing questions, the first, second, third and fourth inputs of the first And element are connected respectively to the outputs of the wrong answers recorder, the no answer recorder, the response readiness switch and the additional delay element, first, second , the third and fourth inputs of the second element And, respectively, to the outputs of the registrar of the correct answer, the registrar of the absence of an answer, the main delay element and the switch Here, the first, second, third and fourth inputs of the third element I correspond respectively to the outputs of the registrar of an incorrect answer, the registrar of the correct answer, the switch of no response and the switch of the change of questions, the exits of the first, second and third elements I are connected respectively to the inputs of the registrars of the correct answer, wrong answer and no answer. The drawing shows the structure of the proposed device for the control of students' knowledge. The device contains a response readiness switch 1, a response switch 2, a response response switch 3, a question changer 4, a delay element 5, an answer input block 6, a comparison block 7, an OR element 8, a response recording block 9, each of which contains connected to the power supply 10 and 11, the correct answer indicator 12 and the correct answer recorder 13, the wrong answer indicator 14 and the wrong answer recorder 15, the unresponsive indicator 16 and the register 17 absence of response, the first 18, second 19 and third 20 element and a delay element 21. The outputs of the And 18-20 elements are connected to the inputs of the recorders 13, 15, and 17, which play the role of thyristors. Comparison unit 7 is connected to the output of response response unit 22. The device for controlling the knowledge of students works as follows. By pressing the switch 3, the device is reset. At the same time, none of the indicators 12, 14, 16 is on. Switch 4 is set to the position corresponding to the number of the question being answered. Using block 6, an answer to this question is entered. After the answer is entered, the switch 1 is pressed. If the answer is made correctly, then the signal from switch 1 gives block 7 a signal that passes through the element OR 8 and is fed to the inputs of the AND elements 18-20. In this case, the signal from switch 1 is fed directly to the input of element 18 and element 18 opens (at all four inputs of element 18 there is a signal and the thyristor 13 is turned on, turning on the correct answer indicator 12). After the recorder 13 is turned on, the recorders 15 and 17 of this block 9 cannot be turned on, since from the connection point of the indicator 12 with the recorder 13 the outputs of the elements 19 and 20 will not receive a signal. If the question from block 7 is incorrectly answered, no signal is received. The signal from the switch 1 through the element 5 is fed to the input of the element And 19. From the element And 5 through the element OR 8 and the switch 4, the signal also enters the inputs of the elements And 19-20. In this case, only the AND 19 element opens, since there is a signal on all its inputs (thanks to element 21, the And 18 element cannot open the And 19 element ahead), the recorder 15 opens and turns on the wrong answer indicator 14. After the recorder 15 is turned on, the recorders 13 and 17 of this block 9 cannot be turned on, since from the connection point of the indicator 14 and the recorder 15 the signals will not be sent to the inputs of the elements 18 and 19. If the student does not know the answer, he presses the button of switch 2. The signal from switch 2 is fed to the input of element AND 20 directly, and through the element OR 8 and switch 4 to the inputs of elements And 18-20. Element I 20 opens and turns on recorder 17, including indicator 16. After recorder 17 is turned on, thyristors 13 and 15 of this block 9 cannot be switched on, since from the point of connection of indicator 16 with recorder 17 to inputs

Elements 18 and 19 will not signal.

When answering the following questions, the device works in a similar way.

So, working with the device, the student can go in three ways: confidently know the answer to the question, enter it into the device; Do not know the answer, acknowledge it by pressing the button “I do not know (switch 2); don't know the answer, try to guess it by typing a random answer. At the same time, such a rating system can be offered, for example, when there are ten questions per ticket: nine answers are correct, one “I don’t know - great, nine answers are correct, one is wrong or eight are correct, two“ I don’t know - well, seven answers right, two wrong, one "I do not know - satisfactory; with three wrong answers, unsatisfactory.

The proposed device in comparison with the known has high operational reliability.

7

Claims (1)

DEVICE FOR CONTROL OF KNOWLEDGE OF STUDENTS, containing blocks for inputting answers and inputting response standards, the outputs of which are connected respectively to the first and second inputs of the comparison unit, the third input of which is connected through a serially connected switch for answer and reset responses to one power bus, a delay element whose input connected to the answer ready switch, a question change switch, a no answer switch connected to a response reset switch, and response recording units consisting from chains of sequentially connected indicators and registrars of the correct answer, incorrect answer and lack of response, moreover, the indicators are connected to the reset reset switch, and the registrars are connected to another power bus, characterized in that, in order to increase the reliability of the device, an OR element is inserted into it, the output which is connected to the input of the switch for changing questions, and the first, second and third inputs, respectively, with the outputs of the comparison unit, the delay element and the absence of answer switch, the registration unit The answer contains three AND elements and an additional delay element, the input of which is connected to the output of the question change switch, the first, second, third and fourth inputs of the first AND element are connected respectively to the outputs of the incorrect answers logger, no response logger, answer ready switch and additional delay element, the first, second, third and fourth inputs _{of the} second element AND - respectively, to the outputs of the registrar of the correct answer, the registrar of the lack of response, the main element delays and switch questions, the first, second, third and fourth inputs of the third element And - respectively, to the outputs of the registrar of the wrong answer, the registrar of the correct answer, the switch is no answer and switch the change of questions, the outputs of the first, second and third elements And are connected respectively to the inputs of the recorders correct answer, incorrect answer and lack of answer. SU „..1105930