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Collection of Education
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COMPUSCI
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1992-06-21
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142 lines
mode3
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R4 0 637 185
O11
R8 2 633 183
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title/319 17 1 4 3
THE INTEGRATED CIRCUIT CHIPS
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text/24 34 0 4 1
You probably noticed that the
printed circuit boards in your
computer are covered with scores
of little rectangular bugs with
many legs. These are I.C. chips.
I. C. stands for Integrated
Circuit. If you could look
inside one with a magnifying
glass you would see what looks
like a downtown map. This is
a pile of semi-conducting
photographic images that form
complex electronic circuits.
Each IC can replace thousands of
~
text/304 33 0 4 1
transistors. The contents of any one
of those ICs in your computer would
have filled a large room with 1942's
finest technological equipment.
~
O15
C467 127 7
C537 94 7
C538 103 7
C539 112 7
C563 86 4
C572 86 4
C581 86 4
C590 86 4
T3
L558 91 594 91
KC 555 84 597 94 556 95 2
KC 557 83 598 106 557 104 2
KC 557 105 599 126 557 126 2
KC 558 136 600 147 557 146 2
L557 85 557 155
F535 93 1
F538 102 1
F539 113 1
F467 126 1
R428 93 443 100
F439 96 1
T1
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R425 104 448 108
R357 138 371 144
F366 140 1
F443 107 1
T3
L357 87 357 133
L357 133 379 133
L379 133 379 148
L379 148 356 148
L357 90 419 90
L419 90 419 97
L362 95 413 95
L535 86 554 86
L429 112 487 112
L487 112 523 112
L429 89 503 89
L524 86 524 107
~
L524 106 470 106
L512 87 512 102
L455 93 455 108
L463 93 463 108
L410 101 410 114
L410 113 423 113
L365 99 365 129
L365 129 430 129
L430 129 430 149
T1
R371 100 404 124
F394 115 8
L472 92 472 103
L476 92 476 103
L480 92 480 103
L484 92 484 103
L488 92 488 103
L492 92 492 103
L496 92 496 103
~
L500 92 500 103
L504 92 504 103
T3
L420 117 524 117
L524 117 524 123
L524 123 548 123
L548 123 548 155
L357 153 472 153
L472 153 472 133
L472 133 462 133
~
L411 124 454 124
L480 124 516 124
L387 134 421 134
L421 134 421 142
L421 142 401 142
L401 142 402 149
L391 142 392 149
L408 147 422 148
L437 131 455 131
L455 131 455 138
L455 138 437 138
L440 143 464 143
L440 148 465 148
L480 130 538 130
L538 130 538 155
L480 135 530 135
L530 135 530 155
L481 140 523 140
L523 140 523 155
L482 145 516 145
L516 145 516 155
L483 150 510 150
~
~
L483 154 510 154
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title/471 165 0 4 1
A portion of the innards of a chip
T1
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L158 94 166 94
L23 104 33 104