The ornamental design for a support for computerterminals and computer keyboards, as shown and described.
FIG. 1 is a left side elevation view of a support for computer terminals and computer keyboards showing my new design.
FIG. 2 is a rear 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 to the shaded areas 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.