{"id":18938,"date":"2024-04-15T05:32:46","date_gmt":"2024-04-15T05:32:46","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=18938"},"modified":"2024-04-15T05:32:46","modified_gmt":"2024-04-15T05:32:46","slug":"the-xor-gates-are-ideal-for-testing-parity-because-even-parity-words-produce-a-_____-output-and-odd-parity-words-produce-a-_____-output-a-low-high-b-high-low-c-odd-even-d-even-odd-e-none-of-t","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-xor-gates-are-ideal-for-testing-parity-because-even-parity-words-produce-a-_____-output-and-odd-parity-words-produce-a-_____-output-a-low-high-b-high-low-c-odd-even-d-even-odd-e-none-of-t\/","title":{"rendered":"The XOR gates are ideal for testing parity because even-parity words produce a _____ output and odd-parity words produce a _____ output A. low, high B. high, low C. odd, even D. even, odd 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_6abd5826cc442\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"true\">\r\n                    low, high                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    high, low                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    odd, even                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    even, odd 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. low, high<\/strong><\/p>\n<p>An XOR gate is a logic gate that produces a high output only when its inputs are different. This makes it ideal for testing parity, which is a method of checking for errors in data. In even parity, the number of 1 bits in a word must be even. If the number of 1 bits is odd, then the parity bit is set to 1. If the number of 1 bits is even, then the parity bit is set to 0.<\/p>\n<p>To test for even parity, you can use an XOR gate to <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> compare the word with a constant value of 1. If the output of the XOR gate is high, then the word has odd parity and an error has occurred. If the output of the XOR gate is low, then the word has even parity and no error has occurred.<\/p>\n<p>Here is a table that shows the output of an XOR gate for different input combinations:<\/p>\n<p>| Input A | Input B | Output |<br \/>\n|&#8212;|&#8212;|&#8212;|<br \/>\n| 0 | 0 | 0 |<br \/>\n| 0 | 1 | 1 |<br \/>\n| 1 | <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> 0 | 1 |<br \/>\n| 1 | 1 | 0 |<\/p>\n<p>As you can see, the output of the XOR gate is always the opposite of the inputs. This is why XOR gates are ideal for testing parity.<\/p>\n<p>The other options are incorrect because they do not accurately describe the output of an XOR gate.<\/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":[681],"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>The XOR gates are ideal for testing parity because even-parity words produce a _____ output and odd-parity words produce a _____ output A. low, high B. high, low C. odd, even D. even, odd E. 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