Question 2
Perform  the following conversations in the stated number bases:
      (a)   AB116 to octal system:
      (b)   1110111.1012 to denary system:
      (c)    5078 to binary system.
Observation
The question tested  candidates’ knowledge on conversion of numbers from one base to another.
The  expected answer is:
- AB1Hex to octal
 
   A              B          1
    1010         1011    0001  ___Step  1   
                     
    =1010101100012
    =101 010  110 001 _______Step 2    
=5     2      6      1
    =5261Octal     ___________Step 3  
                           
    OR      SECOND METHOD
    
= 273710



It was reported that the candidates who attempted this question showed good knowledge of number conversion.