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en:soviet_computers [2020/10/04 22:50]
merclangrat [Demo Times]
en:soviet_computers [2020/10/11 14:12] (current)
merclangrat changed iskra time
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 ** Eugene Bolshakoff ** ** Eugene Bolshakoff **
 +
 +**IMPORTANT INFORMATION: ISKRA-123 machine hangs sometimes during usage. \\
 +Whatever I want to show the machine, there will be a short demonstration on Sunday at 14:30.\\
 +\\
 +<del>ISKRA demonstrations are cancelled for now. \\
 +\\
 +If I can figure out what is happening, I will show what I want on Sunday later, stay tuned. \\
 +But, I can show the machine itself and answer questions.</del>**
  
 Home computing history in the Soviet Union was different than in the West.  Home computing history in the Soviet Union was different than in the West. 
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 ^ RAM | 32 Kb | ^ RAM | 32 Kb |
 ^ ROM | 32 Kb | ^ ROM | 32 Kb |
-^ Graphics | RGB component connector to a household TV, 512x256 (2 colours) or 256x256 (4 colours) |+^ Graphics | RGB component connector to a household TV, 512x256 (2 colours, 64 symbols per line) or 256x256 (4 colours, 32 symbols per line) |
 ^ Sound | Internal beeper | ^ Sound | Internal beeper |
 ^ Storage | Audio tape, using a household audio tape recorder, 800K floppy disks later | ^ Storage | Audio tape, using a household audio tape recorder, 800K floppy disks later |
Line 79: Line 87:
  
 ISKRA-123 can perform four arithmetic operations, exponentiation and square root extraction. Also, it has 5 memory registers, supports brackets and can perform calculations according to a program. ISKRA-123 can perform four arithmetic operations, exponentiation and square root extraction. Also, it has 5 memory registers, supports brackets and can perform calculations according to a program.
-It doesn't have trigonometric and logarithmic functions, but using Taylor polynomials it's possible to calculate them.+It doesn't have trigonometric and logarithmic functions, but using Maclaurin polynomials it's possible to calculate them.
  
-{{ :en:kalkul_iskra-123_4.jpg?400 |}} +{{ :en:iskra_opened.jpg?400 |}} 
-ISKRA-123 with opened case (picture from pc-history.com). Boards with microchips and lamps are visible. Its power supply is on the top-left side.+ 
 +ISKRA-123 with opened case. Boards with microchips and lamps are visible. Its power supply is on the left side.
  
 ===== Virtual Exhibition Desk ===== ===== Virtual Exhibition Desk =====
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 All demonstrations will be held in English. All demonstrations will be held in English.
 +
 +**I will make videos of demonstrations after the festival, upload them to Youtube and add links here.**
  
 ^ Day       ^ Time          ^  Demo          ^ ^ Day       ^ Time          ^  Demo          ^
 |Saturday     | 13:00 - 13:45  | BK-0010-01 - Soviet 16-bit Home computer | |Saturday     | 13:00 - 13:45  | BK-0010-01 - Soviet 16-bit Home computer |
-|Saturday     | 15:00 - 15:45 | Pre-CPU Age: ISKRA-123 calculating machine |+|Saturday     | 15:00 - 15:30 <del>Pre-CPU Age: ISKRA-123 calculating machine</del> cancelled for now |
 | | | | | | | |
 |Sunday     | 13:00 - 13:45  | BK-0010-01 - Soviet 16-bit Home Computer | |Sunday     | 13:00 - 13:45  | BK-0010-01 - Soviet 16-bit Home Computer |
-|Sunday     15:00 - 15:45 | Pre-CPU Age: ISKRA-123 calculating machine |+|Sunday     14:30 - 15:00 | Pre-CPU Age: ISKRA-123 calculating machine - short demonstration | 
 + 
 +===== Links and Contacts ===== 
 + 
 +[[http://gid.pdp-11.ru/|BK-0010/0011/0011M emulator (in Russian)]] 
 + 
 +[[https://play.google.com/store/apps/details?id=su.comp.bk&hl=en|BK Emulator for Android (interface translated to English)]] 
 + 
 +You can contact me by email: **mercurius@elming.su** or **root@lizaurus.com** 
en/soviet_computers.1601844620.txt.gz · Last modified: 2020/10/04 22:50 by merclangrat