The ornamental design for a support for computerterminals and computer keyboards, as shown and described.
FIG. 1 is a rear elevation view of a support for computer terminals and computer keyboards showing my new design;
FIG. 2 is a left side elevation view thereof;
FIG. 3 is a right side elevation view thereof;
FIG. 4 is a front elevation view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a top left perspective view thereof.
The broken lines immediately adjacent the claim depict the bounds of the claimed design, while all other broken lines are directed to environment. The broken lines form no part of the claimed design.