SIM is Set Interrupt Mask. Used to mask the hardware interrupts. RIM is Read Interrupt Mask. Used to check whether the interrupt is Masked or not.

Synonyms are used to : Mask the real name and owner of an object.Provide public access to an objectProvide location transparency for tables,views or program units of a remote database.Simplify the SQL statements for database users.

Control. Restricted data input as well as formatted data output.

When the print becomes noticeably faint, the cartridge should be replaced. Most dot-matrix printers use a snap-in ribbon cartridge. To replace a typical ribbon cartridge, move the print head carriage assembly to the center of the printer. Remove the old cartridge by freeing it from its clips, or holders, and then lifting it out of the printer. Tighten the ribbon tension by advancing the tension knob on the cartridge in a counterclockwise direction until the ribbon is taut. Snap the cartridge into place, making certain that the ribbon slides between the printhead and the ribbon mask. Slide the printhead assembly back and forth on the rod to check for proper ribbon movement.

Bit combination used to describe which portion of an address refers to the network or subnet and which part refers to the host. Sometimes referred to simply as mask.

Color CRTs add a metal grid in front of the phosphor coating called a shadow mask. It ensures that an electron gun assigned to one color doesn't strike a dot of another color.