1. Complete the following table about the computer's functional units.
Functional Unit Give examples of this type of functional unit Describe the purpose/action performed by the functional unit
Input

   
Output

    
Memory - primary storage

    
Memory -

secondary storage

    
Processor/CPU

    

2. Is the operating system hardware or software?

3. What is the purpose of the operating system?

4. What is the role of a compiler for a high-level language?