L1 and L2 cache subsystems, 300
latch devices as output ports, 330
latency
cache access, 301
disk drive, 356
least recently used (LRU) cache replacement, 306
least significant bit, 22
legacy support for old instructions, 261
length
opcode, 263
string, 110
length-prefixed strings, 112
level-one (L1) cache, 296
level-two (L2) cache, 296
lifetime of an object, 318
limited-precision arithmetic, 67
line
acknowledge , 350
parallel port
acknowledge, 350
busy, 350
strobe, 349
read control, 136
write control, 136
list representation of character sets, 120
list-of-blocks file organization, 381
literal constants, binary, 15
little endian
data organization, 144
machine, 148
mixing big and little, 145
locality of reference
spatial, 153, 298, 300
temporal, 153
logic
active high, 217
active low, 217
clocked, 220
memoryless, 220
sequential, 220
logical
AND, 192
operation, 46
precedence in Boolean, 194
complement, 192-93
exclusive-or (XOR), 46, 196
inhibition, 196
NAND, 196
negation, 192
NOR, 196
NOT, 196
operation, 46, 47
precedence in Boolean, 194
operations on
binary numbers , 47
bits, 46-47
OR, 192
operation, 46
precedence in Boolean, 194
XOR, 46, 196
long packed date format (32 bits), 57
loop instruction, 230, 234
low order (LO)
bit, 22
byte, 22
lowercase alphabetic characters , 105
low-level disk access, 375
low-speed I/O devices, 337
LRU (least recently used) cache replacement policy, 306