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Computer practice question for SSC. Review the correct answer and explanation, then continue with related practice below.

Question language / प्रश्न भाषा

Which unit of the computer is considered as the brain of the computer?

कंप्यूटर की किस इकाई को कंप्यूटर का मस्तिष्क माना जाता है?

Answer and explanation are free to read — no sign-in required.उत्तर और व्याख्या पढ़ने के लिए साइन-इन आवश्यक नहीं है।

Memory Unitमेमोरी यूनिट

Input Unitइनपुट यूनिट

CPUसीपीयू

✓

Output Unitआउटपुट यूनिट

Correct Answerसही उत्तर

C. CPUC. सीपीयू

Explanationव्याख्या

The correct answer is CPU.
According to the source, the Central Processing Unit (CPU) is considered the brain of the computer because it contains the circuitry needed to process input, store data and output results.
Therefore the complete source-supported revision chain is: CPU — Central Processing Unit — brain of the computer — circuitry for processing input — storing data — outputting results.
Memory Unit, Input Unit and Output Unit are distractors.
The question is a basic computer-architecture concept and may be asked in several equivalent forms, such as 'Which component is called the brain of the computer?' or 'Which unit performs the main processing functions?' Based on the source, both point to CPU.
The explanation is broader than merely calling CPU the brain; it specifically connects the designation with processing input, storing data and producing output results.
A later question in the source again calls the CPU the electronic brain of the computer and gives more component-level details, so students will see this fact reinforced.
The current entry does not name the Control Unit, Arithmetic Logic Unit or specific registers, so those details have not been inserted here as though they were part of Q668.
Quick revision: CPU = Brain of Computer = processes input, stores data and outputs results according to source.
Therefore option (c), CPU, is correct.

सही उत्तर CPU है। स्रोत के अनुसार Central Processing Unit अर्थात CPU को computer का brain माना जाता है क्योंकि इसमें input process करने, data store करने और output results देने के लिए आवश्यक circuitry होती है। इसलिए complete source-supported revision chain है: CPU — Central Processing Unit — Brain of Computer — Input Processing — Data Storage — Output Results। Memory Unit, Input Unit और Output Unit distractors हैं। यह basic computer architecture का question है और अलग wording में भी पूछा जा सकता है: Computer का brain किसे कहा जाता है? या main processing किस unit द्वारा होती है? Source के अनुसार दोनों का answer CPU है। Explanation केवल 'brain' नाम नहीं देती बल्कि इसका कारण भी बताती है — processing input, storing data और output results। Book के आगे एक और question CPU को electronic brain कहता है और उसके components की additional details देता है, इसलिए यह concept आगे reinforce होता है। Current Q668 में Control Unit, Arithmetic Logic Unit या registers explicitly mention नहीं किए गए हैं। इसलिए उन later details को इस question में source-derived facts की तरह नहीं जोड़ा गया है। Quick revision: CPU = Brain of Computer = Input Process + Data Store + Output Result। इसलिए विकल्प (c), CPU, सही उत्तर है।