SVC (supervisor call) instruction, 105
Switch 17, 78-89
bus, 333-341, 346
control-secondary-memory, 89
control-terminal, 89
processor-control, 89
processor-memory, 88
SYMBOL, 78, 486, 489-507
SYMBOL IIR, 502-504
Synchronization, 235-237
in C.mmp, 361-362
semaphore, 236
in System/370, 846-847
test and set, 236
System/360 (see IBM System/360)
System/370 (see IBM System/370)
TAD (2's complement add) instruction, 27, 115
Tag, 100, 244
in System/360 Model 91, 298-302
Tandem, 336, 346, 445-447, 470-485
TARP (test and repair processor), 449-453
Technology dimensions, 62-65
Teletype, 42
Telex, 42
TI 99/4, 547
TI 9900, 585-586, 611
TI ASC, 91, 690-693, 753-762
Time-of-day (TOD) clock, 844-846
Timesharing, 227
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TLM (trouble locating manual), 462
TMB (triple-modular-redundant) computers, 448
TMS1000, 16, 548, 581-584, 587-601
TOPS (thermoelectric outer planet spacecraft) 449, 457
Transducer, 17
Transistor, 10
Translation-lookaside buffer, 839
Trap, 234
in PDP-11, 658
TRS-80, 547
True complement, 69
T/TAL language, 473
2's complement, 30, 69, 199-201
TWX, 42
TYMNET, 389, 395-396
Unibus, 660-661, 668, 778, 780-782
U.S. Steel COBOL data, 56, 58
Univac:
1103, 41
1103A, 75
1107, 75
1108, 75, 240
Unsigned magnitude, 29
Variable length string, 490, 493, 498
VAX-11/780, 6,68, 78,243,682,683, 716-729, 766, 778 |
Vector-move processors, 91
Virtual address, 4, 70
Virtual machine, 52, 227, 251, 258, 839
Virtual memory, 227-228, 233-243
address space, 228
address translation, 229
capability, 233
demand paging, 233
external fragmentation, 233, 253
FIFO (first in, first out), 233
internal fragmentation, 233, 254
LRU (least recently used), 233
name space, 228
prefetching, 233
protection and relocation register, 240
Virtual storage system, 370, 837-840
Watchdog timer, 441, 445
Wheel of reincarnation, 7, 34, 81-83
for input/output, 7
Williams tubes, 4, 107
Word length, 67-68
Xor, in ISP, 30
Zilog:
Z-80, 610
Z-8000, 95, 610
ZUSE, 38 |