Question

4.2 The central processing unit (CPU)
and microprocessor
The CPU is the brain of the computer. It analyzes
data, stores data, and controls peripheral devices. The
microprocessor is a silicon chip that contains the CPU.
This CPU is placed inside the system unit. The system
unit also contains other internal parts of the computer,
All input and output devices are plugged into ports at the
back of the system unit. Input and output devices are also
called peripheral devices because they are found outside
the system unit​

Answer 1

Answer:

contains other internal parts of the computer,

All input and output devices are plugged into ports at the

back of the system unit. Input and output devices are also

called peripheral devices because they are found outside

the system unit