(IT) Software & Hardware Help

1. What are the differences between primary and secondary storage? What is each type used for?

2. Define the following and describe their function(s):

 

a. System Bus

 

b. Arithmetic Logic Unit

 

c. Registers

 

d. Control Unit

 

3. Most modern computing in organizations is based on client-server models. Explain why this tends to be the case.

4. Convert the following hexadecimal number to decimal:
    5A8E

5. Convert the following binary number to hexadecimal:     101101100101111

   

6. Convert the following decimal number to binary:
    1492

  

7. Convert the following binary numbers to decimal     a. 101100011     b. 1101010.1

8. Information technology (IT) systems are considered to consist of four major components. What are the four components of an IT system? Briefly, describe each.

  

9. Your text compares a large mainframe computer to a small laptop or PDA and states the difference between them is one of magnitude, not of concept. What is the meaning of this statement?

  

10. What are protocols and standards when discussing them in the context of an IT system? Do protocols have to be standards? Are standards considered the same as protocols? Explain your answer.