| Manufacturer: |
Monroe Division of Litton Business Systems |
| Model Number: |
1860-11 (1024 Program Steps/128 Memory Registers) |
|
Postfix Defines Memory Configuration: |
|
First Digit: Program Step Capacity |
|
1-512, 2-1024, 3-1536, 4-2048, 5-2560, 6-3072, 7-3584, 6-4096 |
|
Second Digit: Memory Register Capacity |
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1-64, 2-128, 3-192, 4-256, 5-320, 6-384, 7-448, 8-512 |
| Date of Manufacture: |
1973 |
| Manufactured In: |
USA by Computer Design Corp. |
| Original Price: |
$3,240 (Per Sept. 1973 Price List) |
| Weight: |
22 1/2 Pounds |
| Size: |
15" Wide, 14 1/2" Deep, 7" High |
| Power Requirement: |
110V AC, 60Hz |
| Display Technology: |
Seiko EP-10x-series Drum Impact Printer, 21 columns |
|
2-color(black, red), 2-1/2 lines per second. |
| Local Storage: |
Built-in Sankyo Seiki "SANAC" Magnetic Card Reader/Writer |
|
Capacity of 256 Program Steps or 32 Memory Registers per edge |
| Logic Technology: |
Second-Generation Compucorp "ATL" LSI Chipset |
|
Chipset Designed by Computer Design Corp. |
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Chipset Fabrication by American Micro-systems, Inc. (AMI) |
|
Logic contained on nine plug-in circuit boards |
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MOS Dynamic RAM for program/register storage |
|
MOS Mask-Programmed ROM for microcode |
| Digits of Capacity: |
Internal: 13 Digits Mantissa + 2 Digits Exponent |
|
Printed: 10 Digits Mantissa + 2 Digits Exponent |
| Accuracy: |
Add, Subtract: 13 digits |
|
Multiply, Divide/Reciprocal: 13 digits, rounded to 13th digit |
|
xy, Logarithm, Antilogarithm: +/- 1 digit in 11th digit |
|
<&sqrt;: +/- 3 digits in 13th digit |
|
|
|
x2 statistic, Linear Regression: +/- 5 digits in 13th digit |
|
|
| Decimal Modes: |
Fixed, 0-9 digits behind decimal by [SET D.P.] key |
| Arithmetic Logic: |
Algebraic |
| Arithmetic Logic: |
Parenthesis nesting to two levels |
| Math Functions: |
Comprehensive assortment of statistical and scientific functions |
| Constant: |
Automatic for multiply/divide |
| Memories: |
128 registers (as equipped) |
|
64 registers in base machine, expandable in 64-register increments for $270 |
| Programmable: |
Yes, Learn Mode (LEMP) |
|
512 Step Base Capacity (1024 steps as-equipped) |
|
Expandable in 512-step increments for $270 |
|
Extensive Test & Branch Capabilities |
|
Six-Level Subroutine Nesting |
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Program Editing Features |
| Other Features: |
Extensive I/O Interfacing Capabilities |
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Standby power mode to keep program & memory content alive |
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Two-keypress input buffer on keyboard |
| Peripherals: |
Mark Sense/Punched Card Reader |
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Magnetic Tape Cassette Unit |
|
X-Y Plotter |
|
Output-Only Typewriter (Diablo Hy-Type) |
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I/O Typewriter (Diablo Hy-Type) |