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Digi-Comp I

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22: 195: 119: 168:, providing an ability to connect them together in a programmable way using thin vertical wires that were either pushed, or blocked from moving, by a number of cylindrical pegs. The whole arrangement was "clocked" by moving a lever back and forth. Different configurations of these cylinders caused the Digi-Comp to compute different 172:
operations. With a three binary digit (3-bit) readout of the state of the flip-flops, it could be programmed to demonstrate binary logic, to perform various operations such as addition and subtraction, and to play some simple logic games such as
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platform with guides served as the medium for a supply of marbles that rolled down an inclined plane, moving plastic cams as they fell.
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Although promotional materials described it as an "actual working digital computer," the device is more accurately described as a
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starting in 1963 and sold as an educational toy for US$ 4.99 (equivalent to US$ 50 in 2023).
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version of the original Digi-Comp, albeit with a much enhanced instruction manual.
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The Digi-Comp I has been referred to as the first home computer.
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Winkless, Nelson (November 1984). "The First Home Computer".
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Starting in 2005, Minds-On Toys has made available the
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sold in kit form. It was originally manufactured from
46:. Unsourced material may be challenged and removed. 8: 198:A front view of the Digi-Comp I version 2.0. 245:, a 2019 mechanical computer inspired by it 164:The Digi-Comp I contained three mechanical 238:CARDboard Illustrative Aid to Computation 106:Learn how and when to remove this message 193: 117: 265: 130:was a functioning, mechanical digital 7: 44:adding citations to reliable sources 14: 383:Clean Code - Uncle Bob / Lesson 5 20: 390:from the original on 2021-12-21 343:from the original on 2021-12-21 31:needs additional citations for 1: 224:- game based on the computer 208:as a relatively inexpensive 454:Products introduced in 1963 274:"Electronic Computer Brain" 470: 307:"Yahoo friendsofdigicomp" 410:The Old Computer Museum 206:Digi-Comp I version 2.0 122:The original DigiComp I 362:"Minds-On Toys - Kits" 199: 123: 197: 121: 444:Mechanical computers 428:Digi-Comp I Emulator 416:Friends of Digi-Comp 339:. Trevor Woodhouse. 182:finite-state machine 40:improve this article 331:Woodhouse, Trevor. 255:Little man computer 293:Creative Computing 233:WDR paper computer 200: 124: 148:A successor, the 116: 115: 108: 90: 461: 449:Educational toys 422:Digi-Comp I v2.0 398: 397: 396: 395: 378: 372: 371: 369: 368: 358: 352: 351: 349: 348: 333:"K'nex Computer" 328: 322: 321: 319: 318: 313:on June 30, 2013 309:. Archived from 303: 297: 296: 288: 282: 281: 276:. Archived from 270: 249:Robert C. Martin 111: 104: 100: 97: 91: 89: 48: 24: 16: 469: 468: 464: 463: 462: 460: 459: 458: 434: 433: 406: 401: 393: 391: 380: 379: 375: 366: 364: 360: 359: 355: 346: 344: 330: 329: 325: 316: 314: 305: 304: 300: 290: 289: 285: 272: 271: 267: 263: 218: 202: 201: 190: 162: 112: 101: 95: 92: 49: 47: 37: 25: 12: 11: 5: 467: 465: 457: 456: 451: 446: 436: 435: 432: 431: 425: 419: 413: 405: 404:External links 402: 400: 399: 373: 353: 323: 298: 283: 280:on 2017-12-11. 264: 262: 259: 258: 257: 252: 246: 240: 235: 230: 225: 217: 214: 210:binder's board 192: 191: 189: 186: 161: 158: 114: 113: 96:September 2014 28: 26: 19: 13: 10: 9: 6: 4: 3: 2: 466: 455: 452: 450: 447: 445: 442: 441: 439: 429: 426: 423: 420: 417: 414: 411: 408: 407: 403: 389: 385: 384: 377: 374: 363: 357: 354: 342: 338: 334: 327: 324: 312: 308: 302: 299: 294: 287: 284: 279: 275: 269: 266: 260: 256: 253: 250: 247: 244: 243:Turing Tumble 241: 239: 236: 234: 231: 229: 226: 223: 220: 219: 215: 213: 211: 207: 196: 188:Reproductions 187: 185: 183: 178: 176: 171: 170:Boolean logic 167: 159: 157: 155: 151: 146: 143: 141: 137: 133: 129: 120: 110: 107: 99: 88: 85: 81: 78: 74: 71: 67: 64: 60: 57: –  56: 55:"Digi-Comp I" 52: 51:Find sources: 45: 41: 35: 34: 29:This article 27: 23: 18: 17: 392:, retrieved 382: 376: 365:. Retrieved 356: 345:. Retrieved 336: 326: 315:. Retrieved 311:the original 301: 292: 286: 278:the original 268: 205: 203: 179: 163: 150:Digi-Comp II 147: 144: 140:E.S.R., Inc. 127: 125: 102: 93: 83: 76: 69: 62: 50: 38:Please help 33:verification 30: 136:polystyrene 128:Digi-Comp I 438:Categories 394:2021-06-23 367:2013-04-17 347:2015-11-15 317:2013-04-17 261:References 166:flip-flops 66:newspapers 160:Operation 138:parts by 388:archived 341:Archived 216:See also 154:Masonite 132:computer 337:YouTube 222:Dr. Nim 80:scholar 228:Geniac 82:  75:  68:  61:  53:  295:: 12. 87:JSTOR 73:books 126:The 59:news 175:Nim 42:by 440:: 386:, 335:. 177:. 370:. 350:. 320:. 109:) 103:( 98:) 94:( 84:· 77:· 70:· 63:· 36:.

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"Digi-Comp I"
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Learn how and when to remove this message

computer
polystyrene
E.S.R., Inc.
Digi-Comp II
Masonite
flip-flops
Boolean logic
Nim
finite-state machine

binder's board
Dr. Nim
Geniac
WDR paper computer
CARDboard Illustrative Aid to Computation
Turing Tumble
Robert C. Martin
Little man computer

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