6
                             7
 (CPU)                                 10
                                          18
                                36
                                 51
 -                         60
     67
                                         74
                                      75
                                    76
                                77
                        79
 	(MS WINDOWS)             82
 MS-DOS                                       82
                                 86
                              89
 MS WINDOWS                                   91
                                     125
                                     126
                             129
   1                        131
   2                        133
   3                        135
  (WORD)                      136
                                   140
                                         143
                   147
                                         149
                                        150
                                     153
                                        155
   4                        156
   5                        160
                             164
                                     176
                                        177
   6                        178
                              183
                       185
                                          187
                         189
                             190
   7                        191
                                   195
  (MS EXCEL)                 196
                                     202
   8                        209
                              210
   9                        213
                             217
                                     224
   10                       225
                                   230
   11                       237
                                         239
   12                       243
   VISUAL BASIC 
FOR APPLICATION (EXCEL)                        245
   13                       249
  EXCEL                         250
                                        251
    (MS ACCESS)   255
                                     257
                              258
   MS ACCESS                        258
                                        284
 (MS POWER POINT)                   285
                       290
                                294
   14                       297
                                        299
                                   300
                            301