From news.cs.tut.fi!news.funet.fi!news.csc.fi!news.eunet.fi!EU.net!uunet!in2.uu.net!recepsen.aa.msen.com!conch.aa.msen.com!not-for-mail Tue Sep 19 11:13:43 EET DST 1995 Article: 40603 of comp.sys.cbm Path: news.cs.tut.fi!news.funet.fi!news.csc.fi!news.eunet.fi!EU.net!uunet!in2.uu.net!recepsen.aa.msen.com!conch.aa.msen.com!not-for-mail From: brain@mail.msen.com (Jim Brain) Newsgroups: comp.sys.cbm,comp.sys.amiga.advocacy,alt.folklore.computers Subject: Commodore Trivia Edition #19 answers (finally) Date: 18 Sep 1995 14:19:55 -0400 Organization: Brain Innovations, Inc. Lines: 176 Sender: brain@msen.com Message-ID: Reply-To: brain@mail.msen.com NNTP-Posting-Host: conch.aa.msen.com Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Xref: news.cs.tut.fi comp.sys.cbm:40603 comp.sys.amiga.advocacy:138420 alt.folklore.computers:117055 -------Commodore Trivia Edition #19 Questions and Answers Preface-------- Not to leave you in the dark for too long, here are the trivia answers to the previous edition of Commodore Trivia. I am posting the answers at this time, and will post the scores and winners in a few days. This time frame is set up to allow time for any discussions on the correctness of these answers. By this time, the newest edition of trivia has been posted. I encourage you to enter it. This edition of trivia answers has been posted to the USENET newsgroups: comp.sys.cbm, alt.folklore.computers, and comp.sys.amiga.advocacy. It has also been posted to the FidoNET CBM Echo. Feel free to use these trivia answers in newsletters, magazines, and other publications (please see disclaimer). If you use the trivia, I would appreciate knowing where it has ended up. If you intend to use this information, please wait a few days after the posting date to allow for major errors to be corrected. Please mail any new questions for upcoming trivia (with answers) to my address. This edition and previous editions the trivia can be obtained from my mailserver. To: brain@mail.msen.com Subject: MAILSERV Body: send trivia1 quit This will retrieve the first edition of the trivia. Replace the number with the edition you want. **NEW** Interested persons can now subscribe to the Trivia Mailing List. To add your name to the list, please mail a message: To: brain@mail.msen.com Subject: MAILSERV Body: subscribe trivia Firstname Lastname help quit Each new edition of the trivia will be automatically mailed to you when it is made available on the Internet. I try to post the answers for the questions shortly after the monthly contest has ended. However, I usually wait a few days for any errors I may have made to be worked out before scoring the contest. -------Commodore Trivia Edition #19 Questions and Answers (BEGIN)-------- Q $120) What is the model number of the assembler/monitor for the KIM-1? A $120) The KIM-5 was the model number of the editor/assembler product. Q $121) How many LEDs are on the KIM-1? A $121) The basic unit contains 6 7-segment LED displays, or 42 LEDs if you count each LED in a segment. Q $122) What is the model number of the REC chip used in the REU? A $122) MOS 8726. Q $123) At least two versions of the above chip exist. What is the main physical difference between the versions? A $123) The eraly versio of the chip (8726-R1) exists in DIP form, while the 8726-r4-r8 exists as a "J-lead" square surface mount unit. Q $124) Why couldn't regular Atari(tm) style joystcks be used with the Commodore Plus/4 series? A $124) Instead of using the de-facto 9 pin D-subminuture connector for the joysticks, the Plus/4 series used small mini-DIN connectors. Some sources claim the older connectors were leaking a fair bit of radio interference and were preventing the units from attaining FCC approval, so the connectors were changed to the better-shielded mini-DIN types. Q $125) What was the first joystick model Commodore produced that would function with the Plus/4 computer line? A $125) The Commodore T-1341 Joystick, which had the special mini-DIN connector Q $126) How many computer models are included in the Plus/4 line? A $126) At last count, 3 models in the Plus/4 series were produced: The Commodore Plus/4 The Commodore 16 The Commodore 116 Some Commodore 264 models are known to exist, but are not counted, since the 264 was the prototype model of the Plus/4. Also, a V364 model was planned, but only one unit is known to exist. Q $127) In a normal Commodore disk drive Directory Entry, what relative offset denotes the start of the program name? A $127) The filename starts at the 4th byte in the directory entry. Q $128) How many tracks in a 1541 or 4040 are normally available for use as storage? A $128) 35 tracks. Q $129) How many bytes comprise a single disk drive directory entry? A $129) 30 bytes. Q $12A) What is the model number of the Commodore dual drive with a total capacity per unit of 2.12MB? A $12A) The Commodore 8250 or 8250LP dual disk drive. Q $12B) On the drive denoted in $12A, how large could a single sequential file be? A $12B) 1.025 megabytes. Q $12C) At least two version of the Commodore 64C keyboard exist. What is the difference between them? Extra Credit: Why? A $12C) One one keyboard style, the Commodore graphics are printed on the front of the keys, while they appear above the letters on the keys in the second type of keyboard. I can't answer the extra credit part except to say that Commodore was always seeking the best deal. aybe a new keyboard manufacturer got the bid and changed the layout. Q $12D) On the Commodore 64, what area of memory is swapped out when using an REU with RamDos? A $12D) $6000 - $7fff is swapped out when a RAMDOS command is executing. Q $12E) Commodore manufactured two different versions of the 1541-II drive. What is the difference between them? A $12E) The drive mechanisms differ in the two drives. You can tell which you have by the appearance of the front of the drive. If the lever hits a rest in the release position, you have the direct drive model. If the lever has no such rest visible, the drive cotains the belt drive mechanism. Q $12F) How many colors could the Commodore 1520 plotter plot in? A $12F) 4. red, black, blue, and green. The information in this between the lines marked by (BEGIN) and (END) is copyright 1995 by Jim Brain. Provided that the information between the (BEGIN) and (END) lines is not changed except to correct typographical errors, the so marked copyrighted information may be reproduced in its entirety on other networks or in other mediums. For more information about using this file, please contact the address shown below. Jim Brain brain@mail.msen.com 602 North Lemen Fenton, MI 48430 (810) 737-7300 x8528 --------Commodore Trivia Edition #19 Questions and Answers (END)--------- -- Jim Brain, Embedded Systems Designer, Brain Innovations, Inc. (BII) brain@mail.msen.com "Above views DO reflect my employer, since I'm my employer" Dabbling in WWW, Embedded Systems, VR, Old CBM computers, and Good Times! -Me- BII, VR, CBM, and personal info