The von Neumann $($stored program$)$ architecture$-$based computers have few main hardware systems which further have subsystems within them. Please match the related components to the given two systems.

Question $4$ options:

Main memory

Input$/$Output $($I$/$O$)$ System

central processing unit $($CPU$)$

Arithmetic & Logic Unit $($ALU$)$

registers

Control Unit $($CU$)$

$1.$

The von Neumann computer's hardware systems:

$2.$

A central processing unit's $($CPU$)$ sub$-$systems: