All of the photos in this set are from the early 1970s.
Source: Vintage Photos - Lot 6 (109-112)
PC World was probably the dominant PC specific magazine in 1993 and 1993 was also the year I bought my first "PC", replacing my Commodore 64. The March 1993 issue of PC World includes:
Source: PC World (March 1993)
All of the photos in this set were taken in the mid to late 1960s. They were probably all taken in the Lansing, Michigan area.
Vintage Photos - Lot 6 (105-108)