{"id":18808,"date":"2024-04-15T05:31:06","date_gmt":"2024-04-15T05:31:06","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=18808"},"modified":"2024-04-15T05:31:06","modified_gmt":"2024-04-15T05:31:06","slug":"in-the-operation-of-a-programmable-controller-a-all-of-the-logic-status-is-maintained-in-memory-b-any-latched-data-must-be-done-using-an-external-latching-relay-c-mathematics-cannot-be-performed-d","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/in-the-operation-of-a-programmable-controller-a-all-of-the-logic-status-is-maintained-in-memory-b-any-latched-data-must-be-done-using-an-external-latching-relay-c-mathematics-cannot-be-performed-d\/","title":{"rendered":"In the operation of a programmable controller: A. all of the logic status is maintained in memory B. any latched data must be done using an external latching relay C. mathematics cannot be performed D. All of the above E. None of the above"},"content":{"rendered":"<p>\r\n    <!-- Check if it's an AMP page -->\r\n            <!-- Non-AMP version -->\r\n        <div class=\"mcq-container\" data-quiz-id=\"quizState_6a9947922c2cd\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"true\">\r\n                    all of the logic status is maintained in memory                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    any latched data must be done using an external latching relay                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    mathematics cannot be performed                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    All of the above E. None of the above                <\/div>\r\n                            \r\n            <!-- Feedback messages for non-AMP -->\r\n            <div class=\"feedback\" data-feedback=\"wrong\">Answer is Right!<\/div>\r\n            <div class=\"feedback\" data-feedback=\"right\">Answer is Wrong!<\/div>\r\n        <\/div>\r\n\r\n        <script>\r\n        document.addEventListener('DOMContentLoaded', function () {\r\n            var containers = document.querySelectorAll('.mcq-container');\r\n\r\n            containers.forEach(function(container) {\r\n                var options = container.querySelectorAll('.option');\r\n                var feedbackSelect = container.querySelector('[data-feedback=\"select\"]');\r\n                var feedbackWrong = container.querySelector('[data-feedback=\"wrong\"]');\r\n                var feedbackRight = container.querySelector('[data-feedback=\"right\"]');\r\n\r\n                options.forEach(function(option) {\r\n                    option.addEventListener('click', function() {\r\n                        var selectedOption = option.getAttribute('data-option-key');\r\n                        var isCorrect = option.getAttribute('data-is-correct') === 'true';\r\n\r\n                        \/\/ Remove previous selections\r\n                        options.forEach(function(opt) {\r\n                            opt.classList.remove('correct', 'incorrect');\r\n                        });\r\n\r\n                        \/\/ Add the correct\/incorrect class\r\n                        if (isCorrect) {\r\n                            option.classList.add('correct');\r\n                            feedbackRight.hidden = false;\r\n                            feedbackWrong.hidden = true;\r\n                        } else {\r\n                            option.classList.add('incorrect');\r\n                            feedbackRight.hidden = true;\r\n                            feedbackWrong.hidden = false;\r\n                        }\r\n\r\n                        \/\/ Hide select feedback\r\n                        feedbackSelect.hidden = true;\r\n                    });\r\n                });\r\n            });\r\n        });\r\n        <\/script>\r\n    \r\n    <!--more--><\/p>\n<p>The correct answer is: <strong>A. all of the logic status is maintained in memory<\/strong>.<\/p>\n<p>A programmable controller (PLC) is a solid-state electronic device that uses a programmable processor to control various types of machinery. PLCs are used in a wide variety of industries, including manufacturing, process control, and building automation.<\/p>\n<p>One of the key features of a PLC is that it maintains all <div class=\"youtube-subscribe-container\">\r\n        <a href=\"https:\/\/www.youtube.com\/channel\/UCNHT8lW-JmLC68rjBfZhdkg?sub_confirmation=1\" target=\"_blank\" class=\"youtube-subscribe-button\">\r\n            <span class=\"youtube-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\">\r\n                    <path d=\"M549.7 124.1c-6.3-23.7-24.8-42.3-48.3-48.6C458.8 64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> of the logic status in memory. This means that the PLC can be programmed to perform complex logic operations, and the results of those operations will be stored in memory. This makes PLCs very versatile and powerful devices.<\/p>\n<p>Option B is incorrect because latched data can be stored in memory without the need for an external <div class=\"telegram-channel-container\">\r\n        <a href=\"https:\/\/t.me\/pscnotes2025\" target=\"_blank\" class=\"telegram-channel-button\">\r\n            <span class=\"telegram-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 496 512\">\r\n                    <path fill=\"white\" d=\"M248,8C111,8,0,119,0,256s111,248,248,248s248-111,248-248S385,8,248,8z M362,177L320,367c-3,14-10,18-20,14l-56-41l-27,26 c-3,3-5,5-10,5l4-63L323,196c5-5-1-7-8-3l-98,62l-42-13c-9-3-10-9,2-14l162-63C351,160,365,164,362,177z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Join Our Telegram Channel\r\n        <\/a>\r\n    <\/div> latching relay. Option C is incorrect because PLCs can perform a variety of mathematical operations. Option D is incorrect because not all of the above statements are true. Option E is incorrect because the correct answer is A.<\/p>\n<p>Here is a more detailed explanation of each option:<\/p>\n<ul>\n<li>Option A: All of the logic status is maintained in memory. This is a key feature of PLCs, and it allows them to perform complex logic operations.<\/li>\n<li>Option B: Any latched data must be done using an external latching relay. This is not true. Latched data can be stored in memory without the need for an external latching relay.<\/li>\n<li>Option C: Mathematics cannot be performed. This is not true. PLCs can perform a variety of mathematical operations.<\/li>\n<li>Option D: All of the above. This is not true, because option B is incorrect.<\/li>\n<li>Option E: None of the above. This is not true, because option A is correct.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Join Our Telegram Channel Subscribe on YouTube<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[680],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>In the operation of a programmable controller: A. all of the logic status is maintained in memory B. any latched data must be done using an external latching relay C. mathematics cannot be performed D. All of the above E. 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