किस घटक को अक्सर कंप्यूटर सिस्टम का 'मस्तिष्क' कहा जाता है?

Which of the following factors does not affect the speed of a computer? (A) CPU register (B) System clock (C) System Bus (D) Cache memory (E) Keyboard Choose the most appropriate answer from the options given below:

Consider a computer system with a multi-core processor. What is the primary operational advantage of multiple cores compared to a single-core processor of identical clock speed when executing multiple independent tasks?