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Dec Pdp-11, 1970 resource sharing: timesharing use of high-speed input/outp RSTSll terminal users may have Examples of the value of the Resource another terminal exclusive use of any peripheral 09 a Sharing concept are: one user may use the punched-card file whi8 timesharing system (except the disk, line printer, card reader, tape and BASIC program he ha% which is a shared device). They may use disk files for performing a "batch" off-line card punch. - it as long as needed, and then return it adrmnistrative data processing task; for assignment to another user. The another terminal user may use a ability to enter, store, and retrieve DECtape unit for retrieving or creating a programs and data files using high-speed tape file intended for off-line storage; peripheral devices makes RSTS-11 a true and when thecard reader is free, yet general-purpose problem-solving system. RSTS for business and administrative problem solving One of the most difficult problems facing Potential On-Line Administrative business today is increasing the Applications include: productivity of costly, hard-to-find clerks and secretaries. RSTS-11's power and Order Entry/Accounts Receivable/ flexibility offer the benefits of reduced Sales Analysis costs, increased customer satisfaction, Inventory Control/Accounts Payable and increased job satisfaction for clerical Data Entry with automatic error workers. checking, editing, and verification Inquiry-Response for "instant" access How RSTSll Benefits Administrative to records. Applications Journals, general ledger, and other account records are stored on-line for RSTSll can be dedicated in quick access from high-speed disk administrative application systems. The storage, thus reducing paper handling. power and versatility of RSTSll permit Because RSTS-11 is a full-scale terminals to be used for computational computer system, more of the steps and problem solving simultaneously with the decisions in accounting applications execution of administrative applications. can be automated thus reducing the Thus, the value of RSTSll in an drudgery of accounting operations and organization can be enhanced, for the possibility of human errors. example, by installing a number of Records are kept on-line. They can be RSTS-11 terminals in the updated quickly and retrieved easily engineering area as well as in for generating timely, detailed reports administrative offices. for better management control. Customer satisfaction increases when an on-line, RSTS-11 customer account inquiry system reports account status in a matter of seconds. Operating costs are reduced because accounting personnel can be trained quickly, work more effectively, make fewer mistakes, and have to handle less paper. RSTS in schools for interactive timesharing and administrative applications The low operating costs of RSTS-11 RSTS-11 features make it an ideal system make it an ideal computer system for for the development of low-cost schools. Up to 16 students may have Computer-Assisted-Instruction (CAI) or simultaneous, interactive, access to a Computer-Managed Instruction (CMI) true timesharing computer. And, an systems. CAI and CMI system operations expanded RSTS-11 hardware consist primarily of processing if text in configuration lets you execute - the form of character strings. administrative applications at the BASIC-PLUS includes extensive language same time while students are using the features which simplify development of system for instruction. efficient CAI and CMI text processing Students with little or no computer programs. For example, special functions background can use RSTSll terminals are included that can measure a student's for developing computer concepts. More response time or continue a program if advanced students meanwhile, can there is no response. perform more complex problem-solving Administrative avvlications** can be run exercises. This is because RSTS-11 has simultaneously with timesharing terminal powerful features such as terminal-user use on expanded RSTS-11 hardware core space as large as 16,384 bytes (8192 configurations.For example, a Grade words). Hence RSTS-11 is valuable in Reporting System may be executed many curriculum areas. For example, utilizing a card reader, high-speed line students can conduct independent printer, and magnetic tape or disk files research in simulations, capital budgeting, while up to 1.5 students are each using an and computer-aided instruction system interactive terminal to complete their development. assignments. BASIC-PLUS programming language is so versatile that students may progress from the introductory stages of computer education to learning very advanced concepts in computer science and data processing. It is not necessary to interrupt the students' progress to learn a new language because they have "outgrown" a programming language. The success of BASIC as an introductory programming language has been proven with thousands of students, beginning with those at Dartmouth College, where BASIC was developed. As students become ready, they may be introduced to more and more of the extended features of BASIC-PLUS. For example, introduction of the PRINT USING statement (useful for complex formatting of printed output) may be deferred until the students are assigned more sophisticated projects. Thus, students with a broad range of RSTS for inhouse timesharing in scientific and industrial environments BASIC-PLUS with its powerful extended language features makes RSTS-11 an ideal tool for scientific and engineering problem solving. RSTS-11 terminals are easier to use and more flexible than a desk calculator-even for simple problems. And, RSTS-11 has large-scale system features: user core storage of up to 16,000 bytes per terminal; additional programs that can be quickly called from an on-line program library. Sophisticated or simple, all applications can be handled with ease. RSTS-11 terminals can be placed where the problems are. High-speed paper tape and punched-card invuts lets data collected from experiments to be quickly entered and analyzed. RSTS-I1 terminals bring computational power to engineers and scientists with the convenience, accessibility, and economy heretofore available only with deskcalculators. And, if you're already using a subscription timesharing service, RSTS-11 gives you the same familiar programming language but with many extra extended benefits. the UNIBUS"" -pathway to RSTS-11 system expansion configurations expandibility The PDP-11 UNIBUST% the PDP-11's Because of PDP-11 flexibility, the initial The RSTS-11 configuration may be unique means for intercommunications RSTS-11 configurations may be tailored expanded either initially or at a later among all system components of RSTS-11. to closely fit your needs and budget. And, time with any of the following: Any unit -including processor, memory, when these needs and budget grow, the disk, terminals, and other peripheral configuration may be expanded by Additional fixed-head disk units to devices-may be added to RSTS-11 adding equipment from a broad range of increase the on-line file capacity simply by plugging the unit's controller optional hardware. available to users. into the UNIBUS. This modularity means A minimum RSTSll configuration Moving-head, removable disk that RSTS-11 can grow as your needs and includes: a PDP-11 computer with 20,480 cartridge drives for large-scale on-line budget grow. Your investment in RSTS-11 words of memory, a fixed-head disk unit, file capacity. is safe and never becomes obsolete. All a dual DECtape magnetic tape unit, a Moving-head disk, removable disk future devices for the PDP-11 will always real time clock, a bootstrap-loader pack units similar to the IBM 2314 fo~ be compatible. read-only memory unit, from one to 16 on-line capacity up to 32 million byte terminals, terminal interfaces and Additional terminals and terminal mounting hardware. interfaces (up to 16 total). Terminals This configuration also supports the may be typewriters, Teletypes, the 30 program development system, DOS, character-per-second DECwriter, which may be used for the development the high-speed DECdisplay for sil* and execution of FORTRAN IV and terminal operation. assembler-language programs. See page 11 Communications line terminal for further details. interfaces for remote operation of interactive terminals via telephone lines. I Card reader for entering punched High-speed paper tape reader and card files. punch for economical input and output - Line printer for producing hard-copy of files at medium speed. output at high speed. Additional core memory for increasing Additional DECtape transports for the core storage area per terminal from expanding the amount of on-line serial 8192 bytes (on the minimum file capacity. configuration) to a maximum of 16,384 Industry-compatible one-half inch bytes. Addtional core also helps magnetic tape transports for improve the responsiveness of the large-scale on-line serial file capacity system. and for transferring data files manually between RSTS-11 and other computer systems. matrix operations string operations print formatting A variety of operations are available Many applications, including Computer- Many applications, such as business data which permit efficient operations upon Assisted Instruction and business data processing, require more flexible control one and two dmensional arrays of data. processing, require efficient processing of of the printing format than Dartmouth Matrix data elements may be character strings of characters. A string may be up BASIC allows.
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