Exercise 1            Name ____________________  Points __/20

Helpful links:

• Conversions
• Arithmetic
• IBM PC Architecture

Conversions [11 points]–

    Binary to Hexadecimal:
 
1.   011100102 =
 
2.   111111002 =
 
    Hexadecimal to Binary:
 
3.   F59Ax  =
 
4.   08BCx  =
 
  Hexadecimal to Decimal:
 
5.   ABC7x  =
 
6.   5E92x  =
 
  Decimal to Hexadecimal:
 
7.   564310  =
 
 Binary to Decimal:
 
8.  010110102  =
 
9.  101111012  =
 
  Decimal to Binary:
 
10.  25410  =
 
11.  12710  =
 

Arithmetic [4 points]

Binary:
 
12.  10111101     13.  10101001 
    +01011010        - 01111010  
     _____­­­______          ___________                
 
 
Hexadecimal
14.  9EDF       15.   1D93
   +11BC - 0EED
     ______                ______
 
 
 

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 is the largest decimal number that can be represented in 16 bits?

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