Answer:
Advantages of hardware:
Physical existence
Multitasking
Speedy
Disadvantages:
Costly as different equipment cost differently 
Time consuming
requires space
Privacy issues
Explanation:
Advantages of Software:
Less costly
Improved privacy controls
Requires no space
Disadvantages:
Does not have physical existence
hacking and cyber attacks may steal important information
Regular updates required
 
        
             
        
        
        
Answer:The School in the Woods. Colby Knox is known for his work on The School in the Woods
Explanation:
 
        
                    
             
        
        
        
Answer:
Computer can be classified into four categories based on size namely Micro, Mini, Mainframe and Super computer
Explanation:
 
        
             
        
        
        
An optimization problem is one in which you want to find, not just a solution, but the best  solution •<span>A <span>“greedy algorithm” sometimes works </span></span><span>well for optimization problems </span>•<span>But only a few optimization problems can </span><span> be solved by the <span>greedy method</span></span>