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TRS-80:The Million- Your Judgement Thoughtfully
We Take the Mystery Out of Computers.. What is a computer? giving you the time to exercise TRS-80:The Million- your judgement thoughtfully. Dollar Breakthrough Not so many years ago, the pocket calculator we now take What Can a Computer Do? TRS-80 systems are capable of for granted could have passed for performing all of these opera- a powerful computer, worth a Large computers are well known tions, and quite a few more not great deal of money. Today, how- in the business world for their mentioned. Although TRS-80 is a ever, there is much more to the ability to do bookkeeping, bdling, small computer, it offers comput- definition of a computer. payroll, inventory control, and ing power that would have cost fast analysis of data. more than a million dollars just a Computers work not only with few years ago. And now there numbers, but with alphanumeric Because computers work with are two TRS-80 systems! -the data-names, words, stock alphanumeric information, they Model I and the all-new Model 11 numbers. A computer can be can sort a mailing list by name, "strictly business" computer. programmed to repeat the same address or other criteria, spot The chart on page 5 will give you I function over and over. It can log- slow-moving inventory items, a feeling for the relative 1; ically evaluate information given write purchase orders based on capabilities of the two systems. B to it, and act on its findings. It sales trends . or simply catalog Your nearby Radio Shack store, can store large volumes of data your butterfly collection. -
1995-1996 Catalog
~"'1\~~~~Y/Ji~'l/J,~~,~' COLLEGE OF THE DESERT 1995 -1996 CATALOG ~~f.~'f.(~~~~~~'(~f DESERT COMMUNITY COLLEGE DISTRICT 1995 - 1996 CATALOG RT A California Public Community College College of the Desert Copper Mountain Campus 43-500 Monterey Avenue 6162 Rotary Way/POB 1398 Palm Desert, CA 92260 Joshua Tree, CA 92252 (619) 346-8041 (619) 365-0614 (619) 773-2516 (619) 366-3791 (619) 773-2520 (619) 367-3591 2 A LETTER FROM THE PRESIDENT Congratulations on deciding to attend the College of the Desert. You will be receiving one ofthe best higher education experiences in the State ofCalifornia. Think of this as a personal partnership between you and the College of the Desert. Your success will depend not only on what the College can provide in terms of resources and commitment to you, but also on what you bring to the College in terms ofpersonal abilities and commitment. Whatever site that you are attending -- the Palm Desert Campus, Copper Mountain Campus, Twentynine Palms Marine Base Center or the Eastern Valley Center -- this catalogue is intended to help you make the most of your educational experience by making you more knowledgeable of Dr. David A. George the resources and opportunities that are available within the Desert Community College District. On behalf of the District's Board of Trustees, administrators, faculty, and staff, I would like to welcome you and to express to you my sincere hope that you are able to fully achieve your educational goals at College of the Desert. We are committed to supporting you in any way that we can, so please do not hesitate to call on any of us if you think that we can be of assistance! Dr. -
Scanned Document
OJ )> Vl () 0 ,0 ,m' I 1-V II&JS mm&Radio4 I nederlandse ornroep stichting I THE CHIP SHOP BASICODE2 mmmRadio4 - Broadcasting Support Services CONTENTS ©NOS nederlandse omroep stichting, Hilversum, Netherland 1. INTRODUCTION 5 ISBN 0-906965-14-4 2. HOW TO USE BASICODE-2 7 This edition first published by Broadcasting Support Services January 1984 3. BASICODE- THE SPECIFICATIONS 9 THE CHIP SHOP BBC Radio4 4. BASICODE-2 PROTOCOL 12 British Broadcasting Corporation Portland Place 5. APPLE II & lie 26 London W1A 1AA 6. BBC (A& B) 29 All rights reserved. This handbook and the accompanying computer programs are copyright. No part of this handbook or 7. COMMODORE COMPUTERS 31 the accompanying computer programs may be reproduced, 8. SHARP MZSOA 36 translated, copied or transmitted by any means whatsoever without the prior written permission of the copyright owners. 9. SINCLAIR ZX81 37 The publisher assumes no responsibility for errors, nor liability 10. TANDY TRS-80 & VIDEOGENIE 41 for loss or damage, however caused, arising from the use of the Basicode 2 kit. 11. THE FUTURE 47 The BASICODE-2 kit is available for £3.95 frorr:: Broadcasting Support Services P.O. Box? London W3 6XJ Please make cheques or postal orders payable to Broadcasting Support Services. Published for The Chip Shop, Radio 4, by Broadcasting Support Services- an independent educational charity providing follow up services for viewers and listeners. Introduction Chapter One BASICODE-2 INTRODUCTION BASICODE has been developed by the radio programme Hobbyscoop This book and the accompanying cassette contain the details of NOS which is broadcast weekly by Nederlanse Omroep Stichting (NOS), BASICODE. -
Related Links History of the Radio Shack Computers
Home Page Links Search About Buy/Sell! Timeline: Show Images Radio Shack TRS-80 Model II 1970 Datapoint 2200 Catalog: 26-4002 1971 Kenbak-1 Announced: May 1979 1972 HP-9830A Released: October 1979 Micral Price: $3450 (32K RAM) 1973 Scelbi-8H $3899 (64K RAM) 1974 Mark-8 CPU: Zilog Z-80A, 4 MHz MITS Altair 8800 RAM: 32K, 64K SwTPC 6800 Ports: Two serial ports 1975 Sphere One parallel port IMSAI 8080 IBM 5100 Display: Built-in 12" monochrome monitor MOS KIM-1 40 X 24 or 80 X 24 text. Sol-20 Storage: One 500K 8-inch built-in floppy drive. Hewlett-Packard 9825 External Expansion w/ 3 floppy bays. PolyMorphic OS: TRS-DOS, BASIC. 1976 Cromemco Z-1 Apple I The Digital Group Rockwell AIM 65 Compucolor 8001 ELF, SuperELF Wameco QM-1A Vector Graphic Vector-1 RCA COSMAC VIP Apple II 1977 Commodore PET Radio Shack TRS-80 Atari VCS (2600) NorthStar Horizon Heathkit H8 Intel MCS-85 Heathkit H11 Bally Home Library Computer Netronics ELF II IBM 5110 VideoBrain Family Computer The TRS-80 Model II microcomputer system, designed and manufactured by Radio Shack in Fort Worth, TX, was not intended to replace or obsolete Compucolor II the Model I, it was designed to take up where the Model I left off - a machine with increased capacity and speed in every respect, targeted directly at the Exidy Sorcerer small-business application market. Ohio Scientific 1978 Superboard II Synertek SYM-1 The Model II contains a single-sided full-height Shugart 8-inch floppy drive, which holds 500K bytes of data, compared to only 87K bytes on the 5-1/4 Interact Model One inch drives of the Model I. -
Volume 3, Issue 7 (1982)
Vol. 3, Issue 7, June 1982 8 ..... CHARLIE + SCORE 6 64 ITHINKINS I Also in this issue: PROGRAMMING: Using EDTASM +, SCRIPSIT and other machine language programs on the SYSTEM 80 Basic BASIC Part 2 Saving and Loading long machine language programs on wafer SOF I\.X/ARE: •MICRO GRAND PRIX Level 11-•UNIT CONVERSIONS Colour • PASSWORD Level II -• NORMAL DISTRIBUT ION- • LOAN CALCULATION Colour PACKAGE Level 1 1 ***** ABOUT MICR0-80 ***** EDITOR: IAN VAGG ASSOCIATE EDITORS: SOFTWARE CHARLIE BARTLETT HARDWARE EDWIN PAAY MICR0-80 is an international magazine devoted entirely to the Tandy TRS-80 microcomputer and the Dick Smith System 80/Video Genie. It is available at the following .prices: 12 MONTH SUB. SINGLE COPY MAGAZINE ONLY $ 26-00 $ 2-50 CASSETTE PLUS MAGAZINE $ 65-00 $ 4-00 (cass. only) DISK PLUS MAGAZINE $ 125-00 $ 10-00 (disk only) MICR0-80 is available in the United Kingdom from: U.K. SUBSCRIPTION DEPT. 24 Woodhill Park, Pembury, Tunbridge �ells, KENT. TN2 4NW Prices: MAGAZINE ONLY £ 16-00 £ 1-50 CASSETTE PLUS MAGAZINE £ 43-60 N I A DISK PLUS MAGAZINE £ 75-00 N I A MICR0-80 is available in New Zealand from: MICRO PROCESSOR SERVICES, 940A Columbo Street, CHRISTCHURCH 1 N.Z. Ph. 62894 Prices: MAGAZINE ONLY NZ$ 43-00 NZ$ 4-00 CASSETTE PLUS MAGAZINE .NZ$ 89-00 NZ$ 5-00 DISK PLUS MAGAZINE NZ$ 1 75-·00 NZ$ 15-00 MICR0-80 is despatched from Australia by airmail to other countries at the following rates: (12 MONTH SUB.) MAGAZINE CASS + MAG -----DISK + MAG PAPUA NEW GUINEA A us$ 40-00 A us$ 83-00 A us$ 143--00 HONG KONG/SINGAPORE Aus$ 44-00 A us$ 88-00 A us$ 148--00 INDIA/JAPAN A us$ 49-00 A us$ 95-00 A us$ 155·-00 USA/MIDDLE EAST/CANADA A us$ 55--00 A us$ 102-00 A us$ 162-00 Special bulk purchase rates are also available to computer shops etc. -
History of Micro-Computers
M•I•C•R•O P•R•O•C•E•S•S•O•R E•V•O•L•U•T•I.O•N Reprinted by permission from BYTE, September 1985.. a McGraw-Hill Inc. publication. Prices quoted are in US S. EVOLUTION OF THE MICROPROCESSOR An informal history BY MARK GARETZ Author's note: The evolution of were many other applica- the microprocessor has followed tions for the new memory a complex and twisted path. To chip, which was signifi- those of you who were actually cantly larger than any that involved in some of the follow- had been produced ing history, 1 apologize if my before. version is not exactly like yours. About this time, the The opinions expressed in this summer of 1969, Intel was article are my own and may or approached by the may not represent reality as Japanese calculator manu- someone else perceives it. facturer Busicom to pro- duce a set of custom chips THE TRANSISTOR, devel- designed by Busicom oped at Bell Laboratories engineers for the Jap- in 1947, was designed to anese company's new line replace the vacuum tube, of calculators. The to switch electronic sig- calculators would have nals on and off. (Al- several chips, each of though, at the time, which would contain 3000 vacuum tubes were used to 5000 transistors. mainly as amplifiers, they Intel designer Marcian were also used as (led) Hoff was assigned to switches.) The advent of assist the team of Busi- the transistor made possi- com engineers that had ble a digital computer that taken up residence at didn't require an entire Intel. -
Osborne 1 Computer
Osborne 1 computer http://oldcomputers.net/osborne.html Timeline: ( Show Images ) Osborne 1 1970 Datapoint 2200 Introduced: April 1981 1971 Kenbak-1 Price: US $1,795 1972 Weight: 24.5 pounds CPU: Zilog Z80 @ 4.0 MHz 1973 Micral RAM: 64K RAM Scelbi-8H Display: built-in 5" monitor 1974 Mark-8 53 X 24 text 1975 MITS Altair 8800 Ports: parallel / IEEE-488 SwTPC 6800 modem / serial port Sphere Storage: dual 5-1/4 inch, 91K drives OS: CP/M Compucolor IMSAI 8080 IBM 5100 1976 MOS KIM-1 Sol-20 Hewlett-Packard 9825A PolyMorphic Cromemco Z-1 Roma Offerta Coupon www.GROUPON.it/Roma Apple I Ogni giorno sconti esagerati Giá oltre Rockwell AIM 65 319.000.000€ risparmiati. 1977 ELF, SuperELF VideoBrain Family Computer Defend your Privacy www.eurocrypt.pt Apple II Secure Crypto Mobile , 3G, pgp Emails and Wameco QM-1A Computer encryption Vector Graphic Vector-1 RCA COSMAC VIP ThermoTek, Inc. www.thermotekusa.com Commodore PET Solid state recirculating chillers Thermal Radio Shack TRS-80 Management Solutions Atari VCS (2600) NorthStar Horizon Heathkit H8 Heathkit H11 1978 IBM 5110 Exidy Sorcerer Ohio Scientific Superboard II Synertek SYM-1 APF Imagination Machine Cromemco System 3 1979 Interact Model One TRS-80 model II Bell & Howell SwTPC S/09 Heathkit H89 Atari 400 Atari 800 TI-99/4 Sharp MZ 80K 1980 HP-85 MicroAce Released in 1981 by the Osborne Computer Corporation, the Osborne 1 is considered to be the first true portable computer Acorn Atom - it closes-up for protection, and has a carrying handle. -
Inexpensive Microcomputer Systems for Research and Instruction: a Dream Or Reality?
Behavior Research Methods & Instrumentation 1978, Vol. 10 (2), 345-351 Inexpensive microcomputer systems for research and instruction: A dream or reality? H. J. DURRETT, JR. Southwest Texas State University, San Marcos, Texas 78666 This paper presents a detailed introduction to two microcomputer systems useful for research and instruction. The systems are ready for immediate use, fully assembled, and require no knowledge of electronics. They also possess the high-level programming language, BASIC, which can be easily learned by researchers and students. The application of microprocessor technology and mass production has allowed the cost for a single microcomputer to be reduced to about $600. At this price, virtually any psychology department or individual researcher can begin to employ computer technology in psychological research and instruction. The hardware specifications, software characteristics, criteria for selection, and possible applications of these systems are considered, with emphasis on use in psychological applications. Computer technology has allowed many dreams to nology to the acquisition and control of behavioral become reality. Newell (Note 1) remarks in a paper data" (Kehoe, Frei, Tait, & Gormezano, 1975, p. 183). entitled "Fairytales," "I see the computer as the en Until recently, the cost of the computer was only a chanted technology. Better it is the technology of part of the overall cost of a computerized psychological enchantment, I mean that quite literally .... There are laboratory (Sidowski, 1975). The basic units afforded two essential ingredients in computer technology. First, little flexibility without the addition of input/output it is the technology of how to apply knowledge to devices, more memory, hardware interfaces, and soft action, to achieve goals ... -
O ~1J~Ih]E~E~~S
PAGE 1 ~1J~iH]E~E~~S VtLU1E 4 o N"LM3ER 1 FlfJfJ~ErJTI[]E Jan. 15, 1982 INIEIfi\TI<NAL a:MPUIER UiERS GID.P /NB'liLETIER Copyright (C) 1982 by Sorcerer's Apprentice - All rights reserved Price ~3.00 IN TIUS I SSlE - RANI>Gl I /0 ••••••••••••••••••• 1 P RarECT ED IT7 ••••••••••••••• 11 THE OFFICE SORCERER •••••••••• l DEVELOPMENT PAC EXTENSION ••• 14 STRINGY FLOPPY REVIEW •••••••• 2 SERIAL PORT REVISION •••••••• 15 'MESAG' METHOO ••••••••••••••• 5 RENEWAL FORM •••••••••••••••• 17 ROMPAC NOTEBOOK 1 •••••••••••• 5 SERIAL 1/0 WI PARALLEL PORT.18 4 TH TIP •••••••••••••••••••••• 7 DUST MOTES •••••••••••••••••• 18 PROGRAMMING HINTS •••••••••••• 8 SAVING STRING ARRAYS EXCAS •• 19 DUSTINGS •••••••••••••••••••• 10 WP PAC & MOOS TIPS •••••••••• 20 BITS & BYTES •••••••••••••••• 10 HARDWARE NarES· •••••••••••••• 22 APPRENTICE PORT ••••••••••••• 11 PASCAL PORT ••••••••••••••••• 23 RANDOM I/O by Don Gottwald Ralph went on vacation - so yours truly is responsible for this issue. Please don't judge too harshly - it's my first attempt at the whole issue. News from Exidy: Exidy Systems Inc. is a wholly owned subsidiary of Biotech Capital Investments. Paul Terrell has left Exidy Systems Inc. and sofar noone has been named to o succeed him as President. It is a distinct possibility that Exidy Systems Inc. will shift its corporate headquarters and manufacturing facilities to the Dallas, Texas area. Watch for announcements of new generation products from them in the near future. MIT Mkrosystems Pascal will work in a 56K Exidy Sorcerer. To get 56K of memOIY you new have a choic e of either a RAMPAC from Weston MicrotechnoIogy in It eland or perform the modification by Ed Mentzer (see SA Vol. -
Computer Connections for Gifted Children and Youth
DOCUMENT RESUME ED 209 889 EC 140 606 AUTHOP Namzaro, Jean N.,Ed. TITLE Computer Connections for Gifted Childrcz and Youth. INSTITUTION ERIC Clearinghouse on Handicapped and Gifted Children, Reston, Va. SPONS AGENCY National Inst. of Education (ED), Washington, D.C. PE?011** NO ISBN-0-96586-119-6 PUB DATE 81 GPANT 400-76-0119 NOT! 97p. AVAILABLE FROMERIC Clearinghouse or. Handicapped and Gifted Children, The Council for Exceptional Children, 1920 Association Dr., Reston, VA 22091 ($1.CC). EDPS PRICE MF01/PC04 Plus Postage. DESCRIPTORS *Computer Assisted Instruction; *Computers; Elementary Secondary Education; *Gifted; *Microcomputers; Program Descriptions; Programing; *Tal ent ABSIPACT Written by computer specialists, teachers, parents, amid students, the 23 articles emphasize the role computers play in the development of thinking, problem solving, and creativity in gifted and talented students. Articles have the following titles and authors: "Computers and Computer Cultures" (S. Papert) ; "Classroom Computers-- Beyond the 3 R's" (F. Bell): "Reflections of a Computer Language Nut" (S. Bloch) ;"It Started with Gamps" (C. Karnes) ;"Two Programs from a Young Eighth Grader"(S. Bahcall, H. Nelson) : "Teaching Parents About Using Microcomputers"(T. Dwyer, M. Critchfield) ;"Children and Home ComputersSome Observations on the First Generation" (B. Banet) :"An Apple a Day Keeps a Kid Cccupied" (P. Buszta) ;"Microcomputers for Gifted Microtots"(A. Coorly) ;"Kids and ComputersThe Future Is Today" (S. Larsen) ;"Micros 'GOTO' School" (D. Piele) ;"The Hampton City Schools Computer Program" (N. Harkavv) ;"The Paducah Tilghman High School for Gifted StuderJ.s" (S. Davis, P. Frothingham): "Computers... pre All Dinosaurs read?" (D. Glover) ;"The Talcott Mountain Science Center" (D.Barstow) : "Computerorics--A Course in Computer Literacy" (P. -
Prof.Doug Leith Object Name: Tandy TRS-80 Vintage: C.1977 Synopsis: Tandy TRS-80 Model 1 Personal Microcomputer, Highly Popular in Late 1970S
AccessionIndex: TCD-SCSS-T.20141208.001 Accession Date: 8-Dec-2014 Accession By: Prof.Doug Leith Object name: Tandy TRS-80 Vintage: c.1977 Synopsis: Tandy TRS-80 Model 1 personal microcomputer, highly popular in late 1970s. S/N: 126823. Description: The Tandy TRS-80 Model 1 was highly popular. It was released in the same year as the Apple II, but by 1979 the TRS-80 was said to have the largest selection of software in the personal microcomputer market, by 1980 Tandy was estimated to have sold three times as many as Apple, and eventually 200,000 were sold over its lifetime. Although a world away from professional computers of the time, e.g. the VAX 11/780, it was at the forefront of personal computing, promoting computing as fun. The Model I combined the mainboard and keyboard into one unit, with a separate power supply, plus a monochrome display. The concept and design was largely by Don French and Steve Leininger. It used a Zilog Z80 processor clocked at 1.77MHz. The basic model originally shipped with 4KB of RAM, but the unit in this collection has 16KB. The keyboard has a QWERTY layout yet is compact; early versions suffered badly from key bounce, but software de-bouncing overcame this. A somewhat messy and troublesome proprietary ‘E/I’ expansion interface allowed external expansion to 48K of RAM, a floppy disk controller, a real-time clock, a second cassette port, an optional RS-232 port and a Centronics parallel printer port. The software mainly employed the BASIC programming language, which did include floating-point arithmetic. -
Tandy Model I,II,III,4,16100,1000,3000,PC4
At last a computer for those who know NOTHING about computers! • • • and it costs only $800 Later this month, Tandy Electronics is releasing its new TRS-80 computers which were suitable for microcomputer in Australia. Designed especially for use in the their needs were too expensive. At around $20,000 they have been beyond home, small business and school, and by people with no previous most small businesses and self- experience, the TRS-80 is a complete computer system offering employed people, while even the facilities until now found only in systems costing around $15-20,000 schools have only been able to afford a — yet it will be selling for only $799.95. A few weeks ago EA's Editor few, generally purchased by state Jim Rowe was invited by Tandy to review the first sample TRS-80 education departments and "passed around" for a few days at a time system brought to Australia, and here is his report: between individual schools. But the TRS-80 and other small low - When Tandy Electronics invited me professional. cost microcomputer systems now star- to review the advance sample of the In the meantime for a much wider ting to appear on the market are going Australian version of their TRS-80 group of potential users like school to change all \this. For the first time microcomputer system, I was naturally students and teachers, small businesses, since computers were developed in the very interested. Like most microcom- and self-employed people like doctors, late 1940's, almost anyone who needs a puter enthusiasts I had already read solicitors and plumbers the only small computer is going to be able to buy about the TRS-80, which created quite a stir in the USA when it was released there in August last year.