{"id":1443,"date":"2023-06-26T16:00:44","date_gmt":"2023-06-26T10:30:44","guid":{"rendered":"https:\/\/edunovations.com\/mcqs\/?p=1443"},"modified":"2023-06-26T16:00:45","modified_gmt":"2023-06-26T10:30:45","slug":"digital-communication","status":"publish","type":"post","link":"https:\/\/edunovations.com\/mcqs\/digital-communication\/","title":{"rendered":"Digital Communication &#8211; Electrical Engineering GK MCQ"},"content":{"rendered":"\n<p><ins class=\"adsbygoogle\" style=\"display:block\" data-ad-format=\"autorelaxed\" data-ad-client=\"ca-pub-6643489308705072\" data-ad-slot=\"2759669284\"><\/ins><\/p>\n\n\n\n<p><ins class=\"adsbygoogle\" style=\"display:block\" data-ad-format=\"autorelaxed\" data-ad-client=\"ca-pub-6643489308705072\" data-ad-slot=\"2759669284\"><\/ins><\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/edunovations.com\/mcqs\/digital-communication\/#Digital_Communication_%E2%80%93_Electrical_Engineering_GK_MCQ_%E0%A4%85%E0%A4%82%E0%A4%95%E0%A5%80%E0%A4%AF_%E0%A4%B8%E0%A4%82%E0%A4%9A%E0%A4%BE%E0%A4%B0\" >Digital Communication &#8211; Electrical Engineering GK MCQ (\u0905\u0902\u0915\u0940\u092f \u0938\u0902\u091a\u093e\u0930 )<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/edunovations.com\/mcqs\/digital-communication\/#Digital_Communication_%E2%80%93_Electrical_Engineering_GK_MCQ_%E2%80%93_Previous_Year_Questions\" >Digital Communication &#8211; Electrical Engineering GK MCQ  &#8211; Previous Year Questions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/edunovations.com\/mcqs\/digital-communication\/#Some_Important_Links\" >Some Important Links<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Digital_Communication_%E2%80%93_Electrical_Engineering_GK_MCQ_%E0%A4%85%E0%A4%82%E0%A4%95%E0%A5%80%E0%A4%AF_%E0%A4%B8%E0%A4%82%E0%A4%9A%E0%A4%BE%E0%A4%B0\"><\/span>Digital Communication <strong>&#8211; Electrical Engineering GK MCQ<\/strong> (\u0905\u0902\u0915\u0940\u092f \u0938\u0902\u091a\u093e\u0930 )<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Welcome to our comprehensive MCQ page on Digital Communication! This page serves as a valuable resource for students and professionals looking to enhance their knowledge of digital communication systems. We have curated a collection of multiple-choice questions (MCQs) from previous year papers of various prestigious exams, including UPSC IAS and other sectors. By practicing these MCQs, you can assess your understanding, identify areas for improvement, and prepare effectively for upcoming exams.<\/p>\n\n\n\n<p>Our MCQs cover a wide range of topics in digital communication, including signal encoding, modulation techniques, channel coding, error detection and correction, multiplexing, and more. Each question is carefully designed to test your conceptual understanding and problem-solving skills, providing you with an opportunity to strengthen your grasp on key concepts and principles. Furthermore, the inclusion of questions from different exams ensures a comprehensive learning experience.<\/p>\n\n\n\n<p>Whether you are a student preparing for a competitive exam or a professional seeking to broaden your knowledge in digital communication, this page is tailored to meet your needs. You can access the MCQs at any time and attempt them at your own pace. Regular practice will not only enhance your proficiency but also boost your confidence in this subject.<\/p>\n\n\n\n<p>Make the most of this valuable resource and unlock your potential in digital communication. Begin exploring our collection of MCQs today and embark on a successful journey<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Digital_Communication_%E2%80%93_Electrical_Engineering_GK_MCQ_%E2%80%93_Previous_Year_Questions\"><\/span>Digital Communication <strong>&#8211; Electrical Engineering GK MCQ<\/strong> <strong> &#8211; Previous Year Questions<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<style>\r\n    \/* Quiz container *\/\r\n    .quiz-container {\r\n        max-width: 800px;\r\n        margin: 0 auto;\r\n        padding: 20px;\r\n        box-sizing: border-box;\r\n        font-family: Arial, sans-serif;\r\n    }\r\n\r\n    \/* Question *\/\r\n    .question {\r\n        background-color: #f9f9f9;\r\n        padding: 20px;\r\n        border: 1px solid #ccc;\r\n        font-size: 20px;\r\n        margin-bottom: 20px;\r\n        border-radius: 5px;\r\n        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);\r\n        position: relative;\r\n    }\r\n\r\n    \/* Question header *\/\r\n    .question h4 {\r\n        margin-bottom: 20px;\r\n    }\r\n\r\n    \/* Options list *\/\r\n    .options {\r\n        list-style-type: none;\r\n        padding: 0;\r\n    }\r\n\r\n    \/* Option item *\/\r\n    .options li {\r\n        margin: 10px;\r\n        padding: 10px;\r\n        display: flex;\r\n        align-items: center;\r\n        border-radius: 5px;\r\n        border: 2px solid #ccc;\r\n        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);\r\n    }\r\n\r\n    \/* Option number *\/\r\n    .options li span {\r\n        margin-right: 10px;\r\n        width: 20px;\r\n        height: 20px;\r\n        border-radius: 50%;\r\n        border: 2px solid black;\r\n        display: flex;\r\n        justify-content: center;\r\n        align-items: center;\r\n        font-weight: bold;\r\n    }\r\n\r\n    \/* Option colors *\/\r\n    .options li span.option-a {\r\n        background-color: #FFD700; \/* Yellow *\/\r\n    }\r\n\r\n    .options li span.option-b {\r\n        background-color: #FF1493; \/* Pink *\/\r\n    }\r\n\r\n    .options li span.option-c {\r\n        background-color: #00BFFF; \/* Light Blue *\/\r\n    }\r\n\r\n    .options li span.option-d {\r\n        background-color: #7CFC00; \/* Green-Yellow *\/\r\n    }\r\n\r\n    .options li span.option-e {\r\n        background-color: #EE82EE; \/* Purple-Pink *\/\r\n    }\r\n\r\n    \/* Show answer button *\/\r\n    .show-answer {\r\n        background-color: #0066CC;\r\n        color: #fff;\r\n        border: none;\r\n        padding: 8px 20px;\r\n        font-size: 20px;\r\n        cursor: pointer;\r\n        border-radius: 3px;\r\n        text-align: center;\r\n        display: inline-block;\r\n        margin-bottom: 20px;\r\n    }\r\n\r\n    \/* Answer box *\/\r\n    .answer-box {\r\n        margin: 0 auto;\r\n        padding: 10px;\r\n        font-size: 20px;\r\n        color: #61970F;\r\n        box-sizing: border-box;\r\n        display: none;\r\n    }\r\n\r\n    \/* Question header *\/\r\n    .quiz-container .question-header {\r\n        color: darkblue;\r\n        font-weight: bold;\r\n        margin-right: 10px;\r\n    }\r\n\r\n    \/* Question header and text *\/\r\n    .quiz-container .question-header,\r\n    .quiz-container .question-text {\r\n        display: inline;\r\n        font-weight: bold;\r\n    }\r\n\r\n    \/* Responsive styles *\/\r\n    @media (max-width: 767px) {\r\n        .quiz-container {\r\n            padding: 10px;\r\n        }\r\n    }\r\n<\/style>\r\n<div class=\"quiz-container\">\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\"> In uniform quantization process<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_167830\">the step size remains same<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_167830\">step size varies according to the values of the input signal<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_167830\">the quantizer has linear characteristics<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_167830\">both a and c are correct<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">The process of converting the analog sample into discrete form is called<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_167832\">modulation<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_167832\">multiplexing<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_167832\">quantization<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_167832\">sampling<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"c\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">The characteristics of compressor in \u03bc-law companding are<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_167834\">continuous in nature<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_167834\"> logarithmic in nature<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_167834\">linear in nature<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_167834\">discrete in nature<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"a\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">The modulation techniques used to convert analog signal into digitalsignal are\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_167836\">pulse code modulation<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_167836\">delta modulation<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_167836\">adaptive delta modulation<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_167836\">All of the above<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">The sequence of operations in which PCM is done is\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_167838\">sampling, quantizing, encoding<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_167838\">quantizing, encoding, sampling<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_167838\">quantizing, sampling, encoding<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_167838\">none of the above<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"a\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">In PCM, the parameter varied in accordance with the amplitude of themodulating signal is<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_167840\">amplitude<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_167840\">frequency<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_167840\">phase<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_167840\">none of the above<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">One of the disadvantages of PCM is<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_167842\"> it requires large bandwidth<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_167842\"> very high noise<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_167842\">cannot be decoded easily<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_167842\">all of the above<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"a\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">The expression for bandwidth BW of a PCM system, where v is thenumber of bits per sample and fm is the modulating frequency, is given by\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_167845\">bw \u2265 vfm<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_167845\">. bw \u2264 vfm<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_167845\">. bw \u2265 2 vfm<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_167845\">bw \u2265 1\/2 vfm<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"a\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">The error probability of a PCM<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_167847\">calculated using noise and inter symbol interference<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_167847\">gaussian noise + error component due to inter symbol interference<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_167847\">calculated using power spectral density<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_167847\">All of the above<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">In Delta modulation<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_167849\">one bit per sample is transmitted<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_167849\">all the coded bits used for sampling are transmitted<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_167849\">the step size is fixed<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_167849\">both a and c are correct<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">In digital transmission, the modulation technique that requiresminimum bandwidth is<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_167850\">delta modulation<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_167850\">pcm<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_167850\">dpcm<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_167850\">pam<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"a\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">In Delta Modulation, the bit rate is<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_167852\">n times the sampling frequency<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_167852\">n times the modulating frequency<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_167852\">n times the nyquist criteria<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_167852\">none of the above<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"a\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\"> In Differential Pulse Code Modulation techniques, the decoding isperformed by<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_167854\">accumulator<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_167854\">sampler<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_167854\">pll<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_167854\">quantizer<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"a\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">DPCM suffers from<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_167856\">slope over load distortion<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_167856\">quantization noise<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_167856\"> both a &amp; b<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_167856\">none of the above<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"c\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">The noise that affects PCM<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_167858\">transmission noise<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_167858\">quantizing noise<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_167858\">transit noise<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_167858\">both a and b are correct<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">The factors that cause quantizing error in delta modulation are<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_167859\">slope overload distortion<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_167859\">granular noise<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_167859\">white noise<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_167859\">both a and b are correct<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Granular noise occurs when\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_167861\">step size is too small<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_167861\">step size is too large<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_167861\">there is interference from the adjacent channel<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_167861\">bandwidth is too large<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"b\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">The crest factor of a waveform is given as \u2013\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_167863\">2peak value\/ rms value<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_167863\">rms value \/ peak value<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_167863\">peak value\/ rms value<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_167863\"> peak value\/ 2rms value<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"c\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\"> The digital modulation technique in which the step size is variedaccording to the variation in the slope of the input is called<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_167865\">delta modulation<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_167865\">pcm<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_167865\">adaptive delta modulation<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_167865\">pam<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"c\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">The digital modulation scheme in which the step size is not fixed is<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_167866\">delta modulation<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_167866\">adaptive delta modulation<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_167866\">dpcm<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_167866\">pcm<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"b\">Show Answer<\/button>\r\n    <\/div>\r\n  <\/div>\r\n<script src=\"https:\/\/code.jquery.com\/jquery-3.6.0.min.js\"><\/script>\r\n<script>\r\n$(document).ready(function() {\r\n  $('.show-answer').click(function() {\r\n    var answer = $(this).data('answer');\r\n    $(this).siblings('.answer-box').html('The correct answer is: ' + answer).slideDown();\r\n  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This page serves as a valuable resource for students and professionals looking to enhance their knowledge of digital communication systems. We have curated a collection of multiple-choice questions (MCQs) from previous year papers of various prestigious 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