This definition is part of our Essential Guide: Disaster prevention and mitigation strategies: Strike early and often Share this item with your network: A contingency plan is a course of action designed to help an organization respond effectively to a significant future event or situation that may or may not happen.
But this is speculation and there is no sign of it so far.
It took a while for computers to be developed that meet the modern definition of a "personal computers", one that is designed for one person, is easy to use, and is cheap enough for an individual to buy.
The Bendix G15 of was intended for use without an operating staff, and several hundred were made; it was too costly to be personally owned, however. An example of an early single-user computer was the LGPcreated in by Stan Frankel and used for science and engineering as well as basic data processing.
It was designed as a relatively small-scale computer for use in engineering and scientific applications, and contained a hardware implementation of a high-level programming language.
Another innovative feature for that time was the user interface combining a keyboard with a monitor and light pen for correcting texts and drawing on screen.
The computer hardware business plan in india required technical support staff and a mainframe time-sharing computer that were far too costly for individual business use at the time.
By the early s, people in academic or research institutions had the opportunity for single-person use of a computer system in interactive mode for extended durations, although these systems would still have been too expensive to be owned by a single person.
Minimal programming was done with toggle switches to enter instructions, and output was provided by front panel lamps. Practical use required adding peripherals such as keyboards, computer displaysdisk drivesand printers.
Micral N was the earliest commercial, non-kit microcomputer based on a microprocessor, the Intel It was built starting inand few hundred units were sold.
This had been preceded by the Datapoint infor which the Intel had been commissioned, though not accepted for use. In the late s such a machine would have been nearly as large as two desks and would have weighed about half a ton.
It used the Intel processor. It had a graphical user interface GUI which later served as inspiration for Apple's Macintoshand Microsoft's Windows operating system. The Alto was a demonstration project, not commercialized, as the parts were too expensive to be affordable.
The Wang microcomputer of had a full-size cathode ray tube CRT and cassette tape storage. The introduction of the microprocessora single chip with all the circuitry that formerly occupied large cabinets, led to the proliferation of personal computers after Altair computer saw the introduction of what is considered by many to be the first true "personal computer", the Altair created by Micro Instrumentation and Telemetry Systems MITS.
The Apple I computer differed from the other kit-style hobby computers of era. At the request of Paul Terrellowner of the Byte ShopJobs and Wozniak were given their first purchase order, for 50 Apple I computers, only if the computers were assembled and tested and not a kit computer.
Terrell wanted to have computers to sell to a wide range of users, not just experienced electronics hobbyists who had the soldering skills to assemble a computer kit. The Apple I as delivered was still technically a kit computer, as it did not have a power supply, case, or keyboard when it was delivered to the Byte Shop.
The first successfully mass marketed personal computer to be announced was the Commodore PET after being revealed in January However, it was back-ordered and not available until later that year.
Together, these 3 machines were referred to as the " trinity". Mass-market, ready-assembled computers had arrived, and allowed a wider range of people to use computers, focusing more on software applications and less on development of the processor hardware.
During the early s, home computers were further developed for household use, with software for personal productivity, programming and games.
They typically could be used with a television already in the home as the computer display, with low-detail blocky graphics and a limited color range, and text about 40 characters wide by 25 characters tall.
Following came the Commodore 64totaled 17 million units sold. Workstations were characterized by high-performance processors and graphics displays, with large-capacity local disk storage, networking capability, and running under a multitasking operating system.
Eventually, due to the influence of the IBM PC on the personal computer marketpersonal computers and home computers lost any technical distinction.
Business computers acquired color graphics capability and sound, and home computers and game systems users used the same processors and operating systems as office workers.
Mass-market computers had graphics capabilities and memory comparable to dedicated workstations of a few years before. Even local area networking, originally a way to allow business computers to share expensive mass storage and peripherals, became a standard feature of personal computers used at home.
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At least that company had a network security plan. Many others don't. According to a nationwide study of small businesses by digital security firm Symantec and the National Cyber Security.