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Monday, 3 October 2011

cs 101 Assignment no 2 fall 2009


Question No. 1: Convert the following Binary Number into Decimal Numbers. Show full procedure                                                                                                       (Marks 3 + 3 = 6)

a.       1100100
b.      110001

Question No. 2: Convert the following Decimal Numbers into Binary Numbers. Show complete procedure.
                                                                                                                      (Marks 3 + 3 = 6)
a.       459
b.      19






Question No. 3:  x, y, w and z are Boolean variables. Make the truth table for the expression given below.                                                                                                              (Marks 8)                                                                  

z = NOT( x XOR y ) AND w
          

Question No. 4:  Why cache memory is faster than main memory. Explain it briefly.                                                                                         
                                                                                                                                   (Marks 5)