| Definition | connect to a computer |
| OED requirements | antedating 1970 |
| Comment | Ralf Brown located, and Douglas Winston and Lawrence Watt-Evans independently submitted, a cite from a reprint of Robert Silverberg's "Tower of Glass"; Mike Christie verified the cite in the 1970 first magazine appearance.
Earliest cite in the OED: 1984. |
| Last modified | 6 July, 2008 |
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| 1970 R. Silverberg Tower of Glass in Galaxy Mag. June 141/20 | Watchman replaced him in the linkup seat. He jacked himself into the computer. |
| 1990 A. D. Foster Cyber Way (1993) 30 | He found the phone, unclipped his spinner from his belt and jacked in. |
| 1993 Sci. Fiction Stud. Nov. 450 | Buy Beyond Cyberpunk , jack in, and learn a lot of the stuff you need to know to get—in Rudy Rucker's brilliant term—‘culturally online.’ |
| 1997 J. A. Gardner Expendable (1997) xvi. 279 | She had jacked in to the ship's system and was programming with fervid intensity. |
| 2005 Dreamwatch Feb. 73/1 | There's so much to digest in this edition that you feel like you're pushing that metal spike into the back of your head and jacking in. |