{"id":15149,"date":"2022-10-10T14:14:42","date_gmt":"2022-10-10T08:44:42","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-what-will-be-the-values-of-a-b-c\/"},"modified":"2022-10-10T14:14:42","modified_gmt":"2022-10-10T08:44:42","slug":"solved-what-will-be-the-values-of-a-b-c","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-what-will-be-the-values-of-a-b-c\/","title":{"rendered":"[Solved] What will be the values of a, b, c?"},"content":{"rendered":"

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module TB; \nreg ***[2:0]*** a, b, c;\ninitial begin \n   a = 3;\n   b = 4;\n$display (\"a = %d, b = %d, c=%d\\n\", a, b, c);\nc <=  a + b;\n$display (\"a = %d, b = %d, c=%d\\n\", a, b, c);\na <= 10;\nb  <= 2;\nc = a + b;\n$display (\"a = %d, b = %d, c=%d\\n\", a, b, c);\nend\nendmodule\n<\/code><\/pre>\n
a=3, b=4 and c=7<\/p>\n
Timing Queue of Verilog is divided into four parts:
\nActive Region -> Inactive -> NBA -> Postponed
\nBlocking assignments gets evaluated and assign in the ACTIVE region along with $display(). While Nonblocking assignments get evaluated in the ACTIVE region and assign in the NON BLOCKING ASSIGNMENT(NBA) Region. Hence whatever updates made to the a,b,c wont get printed using display statement. You can use $monitor which gets executed in the postponed region.<\/p>\n<\/p><\/div>\n
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            0<\/span> <\/p><\/div>\n<\/div>\n
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solved What will be the values of a, b, c? <\/p>\n","protected":false},"excerpt":{"rendered":"
[ad_1] module TB; reg ***[2:0]*** a, b, c; initial begin a = 3; b = 4; $display (“a = %d, b = %d, c=%d\\n”, a, b, c); c <= a + b; $display (“a = %d, b = %d, c=%d\\n”, a, b, c); a <= 10; b <= 2; c = a + b; $display … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[3870,3936,3935,1499],"class_list":["post-15149","post","type-post","status-publish","format-standard","hentry","category-solved","tag-blocking","tag-nonblocking","tag-system-verilog","tag-verilog"],"yoast_head":"\n[Solved] What will be the values of a, b, c? - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-what-will-be-the-values-of-a-b-c\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] What will be the values of a, b, c? - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] module TB; reg ***[2:0]*** a, b, c; initial begin a = 3; b = 4; $display ("a = %d, b = %d, c=%dn", a, b, c); c <= a + b; $display ("a = %d, b = %d, c=%dn", a, b, c); a <= 10; b <= 2; c = a + b; $display ... Read more\" \/>\n<meta property=\"og:url\" content=\"https:\/\/jassweb.com\/solved\/solved-what-will-be-the-values-of-a-b-c\/\" \/>\n<meta property=\"og:site_name\" content=\"JassWeb\" \/>\n<meta property=\"article:published_time\" content=\"2022-10-10T08:44:42+00:00\" \/>\n<meta name=\"author\" content=\"Kirat\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Kirat\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/jassweb.com\/solved\/solved-what-will-be-the-values-of-a-b-c\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/jassweb.com\/solved\/solved-what-will-be-the-values-of-a-b-c\/\"},\"author\":{\"name\":\"Kirat\",\"@id\":\"https:\/\/jassweb.com\/solved\/#\/schema\/person\/65c9c7b7958150c0dc8371fa35dd7c31\"},\"headline\":\"[Solved] What will be the values of a, b, c?\",\"datePublished\":\"2022-10-10T08:44:42+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/jassweb.com\/solved\/solved-what-will-be-the-values-of-a-b-c\/\"},\"wordCount\":103,\"publisher\":{\"@id\":\"https:\/\/jassweb.com\/solved\/#organization\"},\"keywords\":[\"blocking\",\"nonblocking\",\"system-verilog\",\"verilog\"],\"articleSection\":[\"Solved\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/jassweb.com\/solved\/solved-what-will-be-the-values-of-a-b-c\/\",\"url\":\"https:\/\/jassweb.com\/solved\/solved-what-will-be-the-values-of-a-b-c\/\",\"name\":\"[Solved] What will be the values of a, b, c? 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