HardwareQuestion 1 of 100
Which component is considered the 'brain' of a computer, executing instructions and performing calculations?
a.The power supply unit (PSU)
b.The central processing unit (CPU)
c.The hard disk drive (HDD)
d.The network interface card (NIC)
Explanation
The CPU carries out the instructions of a program by performing arithmetic, logic, and control operations. It is often called the brain of the computer. Other components like storage and power supplies support the CPU but do not execute program logic.
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