{"id":92608,"date":"2025-06-01T11:29:02","date_gmt":"2025-06-01T11:29:02","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=92608"},"modified":"2025-06-01T11:29:02","modified_gmt":"2025-06-01T11:29:02","slug":"which-of-the-following-units-is-are-parts-of-a-cpu","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-units-is-are-parts-of-a-cpu\/","title":{"rendered":"Which of the following unit(s) is\/are part(s) of a CPU ?"},"content":{"rendered":"

Which of the following unit(s) is\/are part(s) of a CPU ?<\/p>\n

[amp_mcq option1=”ALU” option2=”Control Unit” option3=”Memory Unit” option4=”ALU, Control Unit and Memory Unit” correct=”option2″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC CISF-AC-EXE – 2018<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nThe correct option is B) Control Unit.
\n<\/section>\n
\n– The Central Processing Unit (CPU) is the primary component of a computer that performs most of the processing.
\n– The CPU is typically composed of the Arithmetic Logic Unit (ALU), the Control Unit (CU), and registers. Cache memory is also considered part of the CPU in modern architectures.
\n– The Control Unit is a vital part of the CPU responsible for fetching instructions from memory, decoding them, and managing the execution of these instructions by directing the operations of the ALU, memory, and input\/output devices. It is often described as the “brain” or “manager” of the CPU.
\n<\/section>\n
\n– The ALU (Arithmetic Logic Unit) is another core part of the CPU that performs arithmetic operations (addition, subtraction, etc.) and logical operations (AND, OR, NOT, etc.).
\n– The Memory Unit (specifically referring to main memory or RAM) is generally considered a separate component of the computer system, external to the CPU, although closely interacting with it via the system bus.
\n– Option D lists ALU, Control Unit, and Memory Unit. Since the Memory Unit is typically not considered part of the CPU, option D is incorrect.
\n– Both A (ALU) and B (Control Unit) are correct parts of the CPU. Given that only one option can be selected and option D is incorrect, the question might be considered ambiguous as both A and B are valid. However, the Control Unit’s role in orchestrating all CPU operations, including those of the ALU, might lead to it being considered a more encompassing or primary unit in some simplified classifications.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Which of the following unit(s) is\/are part(s) of a CPU ? [amp_mcq option1=”ALU” option2=”Control Unit” option3=”Memory Unit” option4=”ALU, Control Unit and Memory Unit” correct=”option2″] This question was previously asked in UPSC CISF-AC-EXE – 2018 Download PDFAttempt Online The correct option is B) Control Unit. – The Central Processing Unit (CPU) is the primary component of … <\/p>\n

Detailed SolutionWhich of the following unit(s) is\/are part(s) of a CPU ?<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1089],"tags":[1114,1113],"class_list":["post-92608","post","type-post","status-publish","format-standard","hentry","category-upsc-cisf-ac-exe","tag-1114","tag-information-and-communication-technology","no-featured-image-padding"],"yoast_head":"\nWhich of the following unit(s) is\/are part(s) of a CPU ?<\/title>\n<meta name=\"description\" content=\"The correct option is B) Control Unit. - The Central Processing Unit (CPU) is the primary component of a computer that performs most of the processing. - The CPU is typically composed of the Arithmetic Logic Unit (ALU), the Control Unit (CU), and registers. 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It is often described as the "brain" or "manager" of the CPU.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-units-is-are-parts-of-a-cpu\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which of the following unit(s) is\/are part(s) of a CPU ?\" \/>\n<meta property=\"og:description\" content=\"The correct option is B) Control Unit. - The Central Processing Unit (CPU) is the primary component of a computer that performs most of the processing. - The CPU is typically composed of the Arithmetic Logic Unit (ALU), the Control Unit (CU), and registers. 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