On. C. The high level languages were first developed in Computers. ... of

Dennis Ritchie and Ken Thompson at Bell Labs between 1969 and 1973.

Explanation:

only #2 represents an object at rest on a table.

in #1, there is no normal force due to the table; the object is accelerating downward.

in #3, the vertical forces are not balanced; the object is accelerating downward.

in #4, neither the vertical nor the horizontal forces are balanced. the object is accelerating upwards and to the right.