A glass marker pencil utilized on a surface that includes a generally elongated shaped base market pencil with a top and a body, a tip that protrudes from the top of the base marker pencil, the tip is contained within the body of the base marker pencil, an ink contained in the tip and a cap placed over the tip to protect the tip. In accordance with an important aspect of the invention, damage to relatively fragile structures, such as submicron dimensioned structures on semiconductors are minimized by utilizing an adhesive tape to peel off undesired metal in close proximity to submicron dimension structures. In this bus, the single video bus is replaced by multiple video buses and instead of selecting only one column for reading multiple columns are also pre-selected in-order to pre-charge the video bus.