Exercise 1            Name ____________________  Points __/20

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Conversions [11 points]–

 

    Binary to Hexadecimal:
 
1.   101110112 =
               
2.   001101102 =
            
    Hexadecimal to Binary:
 
3.   E3FAx  =
        
4.   B9CDx  =
       
    Hexadecimal to Decimal:
 
5.   BAC8x  =
        
6.   FD2Ex  =
       
    Decimal to Hexadecimal:
 
7.   590810  =
         
    Binary to Decimal:
 
8.  110111002  =
        
9.  111000112  =
          
    Decimal to Binary:
 
10.  25110  =
       
11.  12610  =
      

Arithmetic [4 points]

 

Binary:
                                        
12.  10100101     13.  10101010      
    +11011010        - 01011111                              
  ______________        _____________
 
 
Hexadecimal
14.  BE9D       15.   CD9A
   +AFC3              - 0FEB
     ______                ______
 
 
 

 

IBM PC Architecture [5 points]

 

16. What is the memory address range in hexadecimal for a computer system with a 32-bit address bus?
 

17. What are the largest and smallest decimal numbers that can be represented in 16 bits? 32 bits? 64 bits? (You may leave your answer in powers of 2)

 


 

18. How many bits are in a word? A byte? A double-word? A quad-word?