Twelve-year-old Kevin Murphy of Littleton fell in love with computer programming in just an hour earlier this month, and now sees a career path he never knew existed.

Littleton Middle School was one of about 200 schools in Massachusetts that participated in “Hour of Code,’’ a nationwide campaign to help introduce millions of students to programming during Computer Science Education Week.

During the 60-minute event, sponsored by education nonprofit, Murphy and the other students wrote a program to make an online greeting card.

Littleton seventh-grader Christina Tsillas shares her “Hour of Code’’ project with (from left) school board member Alex Pratt and school principals Scott Bazydlo and Mark Branco.By Jennifer Fenn Lefferts, the Boston Globe, Read More