List the five parts of a system. describe them.

The five main parts of a system are: 

1. The CPU
The CPU is the brain of the computer. It is the main part that does all th thinking and processing.

2. RAM
which stands for Random Access Memory. As implied in its name, it can be accessed at random times by the CPU. When you open a program, all the scripts and codes that are running need to be run of a separate memory bank. Thus, the RAM takes part.

3. Drives
Hard Drives, SSDs, USB Drives, and SD cards are all forms of main computer memory. That is where the computer stores the OS, your files, and its instructions.

4. Inputs/Outputs
By inputs and outputs i mean hardware, like Speakers (ouput), Monitors (output), Keyboard (input), and Mouse (input).

5. OS
The OS is the Operating System (e.g. Windows, Linux, Mac), which is the main instructions for the computer. It is what makes your computer usable.

Solution: the categorization of functional and non-functional requirement are as follows: some of the more typical functional requirements include: • business rules• transaction corrections, adjustments and cancellations• administrative functions• authentication• authorization levels• audit tracking• external interfaces• certification requirements• reporting requirements• historical data• legal or regulatory requirementswhile,some typical non-functional requirements are: • performance – for example response time, throughput, utilization, static volumetric• scalability• capacity• availability• reliability• recoverability• maintainability• serviceability• security• regulatory• manageability• environmental• data integrity• usability• interoperability