Download Moving Targets: Elliott-Automation and the Dawn of the by Simon Lavington PDF

By Simon Lavington

The Elliott-Automation corporation used to be an energetic player within the beginning of the data age in Britain. through 1961, the corporate was once delivering 50% of the electronic desktops brought to united kingdom shoppers in that yr. but via the tip of that decade, Elliott-Automation had successfully disappeared in a flurry of takeovers, leaving little obvious hint of the technical excellence that had as soon as characterized the identify Elliott.

Moving ambitions charts the slow take-up of data know-how in Britain, as obvious throughout the eyes of 1 cutting edge corporation. The e-book examines how the sunrise of the electronic laptop age in Britain happened at a variety of occasions for various purposes, from early government-sponsored paintings on mystery defence tasks, to the expansion of the marketplace for Elliott pcs for civil applications.

Topics and features:
* Charts the institution of Elliott’s Borehamwood examine Laboratories in 1946, and the jobs performed through John Coales and Leon Bagrit in reviving an in poor health company
* Examines early Elliott electronic pcs designed for categorized army purposes and for GCHQ, equivalent to the Elliott 152, 153 and OEDIPUS
* Describes the analogue pcs built by means of Elliott-Automation, together with the large TRIDAC
* reports the improvement of the 1st advertisement Elliott desktops, the expansion of purposes in commercial automation, and the contest provided via rival brands in Britain
* incorporates a heritage of airborne pcs as much as 1988, written by way of a former director of Elliott Flight Automation
* Discusses the evolution of machine architectures and structures software program for the Elliott 800, 900 and 4100 sequence computers
* Investigates the mergers, takeovers and eventual closure of the Borehamwood laboratories, and the dying of Elliott-Automation and its successors, ICL and GEC

This distinctive textual content can be of significant curiosity to historians of know-how and company, and also will attract the final reader focused on the emergence of electronic computing in Britain and the paintings of the formerly unsung desktop pioneers of the Elliott-Automation laboratories at Borehamwood.

Show description

Read Online or Download Moving Targets: Elliott-Automation and the Dawn of the Computer Age in Britain, 1947–67 (History of Computing) PDF

Best computing books

C Interfaces and Implementations: Techniques for Creating Reusable Software

Each programmer and software program undertaking supervisor needs to grasp the artwork of constructing reusable software program modules; they're the construction blocks of huge, trustworthy functions. in contrast to a few glossy object-oriented languages, C offers little linguistic aid or motivation for growing reusable software programming interfaces (APIs).

Introducing Windows Azure for IT Professionals

Get a high-level evaluate of home windows Azure—and get a working commence with this versatile cloud platform. Designed for IT execs, this consultant introduces middle positive factors and performance, with technical insights and suggestion from a Microsoft MVP and individuals of the home windows Azure staff. issues comprise home windows Azure strategies, Compute prone, community companies, facts providers, and App prone.

Intelligent Computing Theories: 9th International Conference, ICIC 2013, Nanning, China, July 28-31, 2013. Proceedings

This ebook constitutes the refereed convention court cases of the ninth overseas convention on clever Computing, ICIC 2013, held in Nanning, China, in July 2013. The seventy four revised complete papers awarded have been conscientiously reviewed and chosen from various submissions and are prepared in topical sections on neural networks, nature encouraged computing and optimization, cognitive technology and computational neuroscience, wisdom discovery and knowledge mining, evolutionary studying and genetic algorithms laptop studying idea and techniques, normal language processing and computational linguistics, fuzzy idea and versions, gentle computing, unsupervised and strengthened studying, clever computing in finance, clever computing in petri nets, clever information fusion and knowledge safety, digital truth and machine interplay, clever computing in trend attractiveness, clever computing in picture processing, clever computing in robotics, complicated structures idea and strategies.

Advanced Computing and Systems for Security: Volume 1

The publication includes the prolonged model of the works which have been offered and mentioned within the moment foreign Doctoral Symposium on utilized Computation and safeguard structures (ACSS 2015) held in the course of may possibly 23-25, 2015 in Kolkata, India. The symposium has been together prepared by way of the AGH college of technology & expertise, Cracow, Poland; Ca’ Foscari college, Venice, Italy and college of Calcutta, India.

Additional info for Moving Targets: Elliott-Automation and the Dawn of the Computer Age in Britain, 1947–67 (History of Computing)

Example text

C Springer-Verlag Berlin Heidelberg 2012 38 1 P. Floderus et al. Introduction The induced subgraph isomorphism problem is to detect if a host graph has an induced subgraph that is isomorphic to a pattern graph. Its counting variant asks for the number of induced subgraphs of the host graph isomorphic to the pattern graph. The well known independent set and clique problems are special cases of the induced subgraph isomorphism problem which consequently is generally NP-complete [8]. When the pattern graph is of fixed size, induced subgraph isomorphism can be solved in polynomial time even by exhaustive search.

Clearly, any feasible schedule for the initial instance is also feasible for the rounded one. Thus, OP T ≥ OP Td . , a problem where each job can only be executed by a subset of the available processors. The instance of this problem consists of + 1 available speed-scalable processors M0 , M1 , . . , M and the set of jobs J, with their release dates rounded down, as before. Jobs in J0 can only be assigned to the processor M0 and every job in Ji can only be executed by one of the processors M0 or Mi , 1 ≤ i ≤ .

If this speed is not eligible, i is a non-critical job and it is merged with the (i + 1)’s group. More specifically, if c is the last job of this group, then the speeds of jobs i, i+1, . . , c are calculated by applying Proposition 2, assuming that i−1 and c are critical while i, i + 1, . . , c − 1 are not. Next, the algorithm examines whether the new value of si is eligible. If this is the case, then it considers the job i − 1. Otherwise, a further merging, of the i’s group with the (c + 1)’s group, is performed, as before.

Download PDF sample

Rated 4.82 of 5 – based on 17 votes