| BABBAGE | Charles ___, mathematician, inventor and father of computing (7) |
| ARCHIMEDES | Ancient Greek mathematician/inventor |
| DAIMLER | Gottlieb, German inventor and namesake of a series of automobile companies (7) |
| CARROLL | Pen name of an author, puzzle inventor and Oxford mathematics don who coined portmanteau words including bandersnatch, burble, chortle, frabjous, frumious, galumph, jabberwocky and mimsy (7) |
| BOOLEAN | Type of computing logic |
| COLLIER | Birkenhead-born, Henry Herbert ___ (b. 1878), designer, inventor and founder of the Matchless Motorcycle Company (7) |
| MARCONI | Italian inventor and physicist (7) |
| BELLJAR | Inventor and junior clamping a piece of lab equipment (4,3) |
| DIRAC | Paul ___, mathematician and theoretical physicist (5) |
| BRONOWSKI | Jacob ___, mathematician and philosopher born in Poland in 1908 (9) |
| EULER | Leonhard ___, mathematician (5) |
| ILLICIT | Not allowed to be sick in charge of computing (7) |
| BLETCHLEYPARK | Home of the UK National Museum Of Computing. (9,4) |
| TERAFLOPS | Having a measure of computing power, fear to hear of crashes |
| TURINGMACHINE | Early mathematical model of computing (6,7) |
| GIGAFLOPS | Performance of pals wasted lots of computing performance (9) |
| TITAN | One of the greats of computing appears in colour (5) |
| CHARLESBABBAGE | English mathematician, philosopher, inventor and mechanical engineer considered a "father of the computer" |
| GIGAFLOP | Term, evocative of a billion failures, for a unit of computing rate equal to one thousand million floating-point operations per second (8) |
| PICONETS | Modern ad-hoc collections of computing devices |