Fill in the Comparison Table with appropriate answers expressing 5 key differences of :- •Super computer, •Main Frame, • Personal Computers , •PDA’s .

Solution:-

	Cost	Performance	Reliability	Size	Installed in numbers
Super computer	Very high	Highest	Most reliable	Very huge in Size	Less
Main Frame	High, less costly than super computers	High, not better than super computers	Reliable, not reliable than super computers	Smaller than Super computers	More than super computers
Personal computers	Average	Good, not better than main frame	Reliable but not more than Main frames and super computers	Very Small as compared to main Frames and super computers	Largest in number
PDA’s	Less	Not better than personal computers	Not reliable as compared to above mentioned	Smallest in size	Less than personal computers