ವೈಯಕ್ತಿಕ ಕಂಪ್ಯೂಟರ್‌ನಲ್ಲಿ ಲೆಕ್ಕಾಚಾರವನ್ನು ಯಾವುದು ಮಾಡುತ್ತದೆ? A. CPU B. ಮದರ್‌ಬೋರ್ಡ್ C. RAM D. BIOS

The Central Processing Unit (CPU) carries out all the arithmetic, logic and control operations of a computer, which is why it is called the brain of the computer. The motherboard connects components, RAM stores data temporarily, and BIOS starts the system.