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326 pages, Paperback
First published February 1, 1976
Factors which can be manipulated include: production level of American industries, factories and utilities; pollution standards that plants must meet; efficiency of the automobile as a means of transportation; condition and availability of mass transportation; and use of energy for heating and lighting. The user adjusts energy consumption in each of these areas in an attempt to keep demand and supply in balance.
…the most troublesome [users] are junior and senior high school boys who determine how the program operates and then use this knowledge to introduce a “bug” into the system; debugging is necessary about once every week, according to Symposia staff members.
“It’s a simplistic kind of conclusion—you have problems, and you solve them by stopping all sources of change.”
Climate By Computer
Computer simulations of complex systems like the atmosphere is a tricky business, but two IBM scientists are trying to use computers to answer at least one pressing question: Is dust pollution contributing to the global cooling trends?
If the time ever comes when the misuse of computerized record-keeping leads man to fear being curious, daring, and willing to deviate from the norm in order to experiment, it would not be a case of the machine triumphing over man, as some people fear. It would be a case of man becoming the machine.
The SCELBI-8H, first offered in late 1973, is available in a variety of ways: as an assembled and tested computer with a 4K memory, at $1239, or in kit form for $1149; as a set of five printed-circuit cards with a 1K memory, $498; individual cards, from $55 to $195; “unpopulated” cards (without components), a set of five for $109; and various other combinations. Several interface cards are available, for making use of an oscilloscope readout, audio cassette-tape memory, or Teletype. Two dozen programs are available, including keyboard-to-CRT display, assembler, Teletype memory dump, magnetic-tape bootstrap loader, etc.
The July 1974 Radio-Electronics described the Mark-8, also built around the Intel 8008 microprocessor, and also programed in the Intel assembly language. A minimum Mark-8, with 256 8-bit words, is about $300. The construction manual for the Mark-8, which also gives information on obtaining a set of PC boards, is $5.00 from Radio-Electronics.
The Altair 8800 (Popular Electronics, Jan and Feb. 1975) is based on the Intel 8080 chip, faster and with more instructions than the 8008, and is sold by MITS for $542 with 256 words of memory; with 1K words, $701 in kit form, or $938 assembled.
Reality’s an untamed beast
That’s difficult to master,
But models are quite docile
And give you answers faster.
So build yourself a model
To glorify your name.
Then get yourself a task force
And learn to play the game.
—J.C.L. Guest, “Decison-Making”