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Definition: slot


(1) A receptacle for a printed circuit board. Synonymous with "socket." See expansion card and plugs and sockets.

(2) A receptacle for inserting and removing a disk or tape cartridge. Removable storage was popular in the 1990s. See removable drive.

(3) In communications, a narrow band of frequencies. See time slot.

(4) Reserved space for temporary or permanent storage of instructions, data or codes. See buffer.