{"id":18628,"date":"2024-04-15T05:28:46","date_gmt":"2024-04-15T05:28:46","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=18628"},"modified":"2024-04-15T05:28:46","modified_gmt":"2024-04-15T05:28:46","slug":"today-programmable-controllers-a-are-more-powerful-then-the-first-controllers-on-the-market-b-are-relatively-low-cost-compared-with-the-original-digital-equipment-available-for-industrial-control","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/today-programmable-controllers-a-are-more-powerful-then-the-first-controllers-on-the-market-b-are-relatively-low-cost-compared-with-the-original-digital-equipment-available-for-industrial-control\/","title":{"rendered":"Today, programmable controllers: A. are more powerful then the first controllers on the market B. are relatively low cost compared with the original digital equipment available for industrial control C. can be cost effective even when replacing just a few relays 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_6a9890d140701\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    are more powerful then the first controllers on the market                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    are relatively low cost compared with the original digital equipment available for industrial control                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    can be cost effective even when replacing just a few relays                <\/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>D. All of the above<\/strong><\/p>\n<p>Programmable controllers (PLCs) are digital computers that are used to control industrial processes. They are more powerful than the first controllers on the market, and they are relatively low cost compared with the original digital equipment available for industrial control. PLCs can be cost effective even when replacing just a few relays.<\/p>\n<p>Here is a brief explanation of each option:<\/p>\n<ul>\n<li><strong>A. are more powerful then the first controllers on the market<\/strong><\/li>\n<\/ul>\n<p>The first PLCs were introduced in the 1970s, and they were relatively simple devices. They could only perform a few basic tasks, such as controlling motors and valves. Today&#8217;s PLCs are much more powerful, and they can perform complex tasks such as monitoring and controlling multiple processes.<\/p>\n<ul>\n<li><strong>B. are relatively low cost compared with the original digital equipment available for industrial control<\/strong><\/li>\n<\/ul>\n<p>The original digital equipment available for industrial control was very expensive. PLCs were developed to provide a more affordable alternative. Today, PLCs are even more affordable than they were in the past, and they are a cost-effective solution for many industrial control applications.<\/p>\n<ul>\n<li><strong>C. can be cost effective even when replacing just a few relays<\/strong><\/li>\n<\/ul>\n<p>In some cases, it may be more cost effective to replace a few relays with a PLC than to continue to maintain the relays. PLCs are more reliable than relays, and they can be programmed to perform more complex tasks. Additionally, PLCs can be easily monitored and controlled, which can save time and money.<\/p>\n<p>In conclusion, PLCs are more powerful, more affordable, and more reliable than the original digital <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> equipment available for industrial control. They can be cost effective even when replacing just a few relays.<\/p>\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>Today, programmable controllers: A. are more powerful then the first controllers on the market B. are relatively low cost compared with the original digital equipment available for industrial control C. can be cost effective even when replacing just a few relays D. All of the above E. 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