Материал: informatika_uchebnik_Makarova
116
Intel (
80586
: 5
AMD, Ml
Cyrix
.).
,
,
,
;
RISC
,
.
Pentium
32-
64-
.
1
.
Pentium
,
,
;
,
,
.
P e n t i u m P r o
.
1995 .
80686 ( 6),
Pentium Pro.
.
(dynamic execution),
14-
(superpipelining),
(branch prediction)
(speculative execution).
.
,
,
.
),
.
Pentium Pro
90 %
80 %
Pentium.
256-512
–
Pentium.
(16
),
.
,
,
2 - 3
,
.
Pentium Pro
256-512
.
O v e r D r i v e .
OverDrive,
,
80486
,
Pentium.
OverDrive,
Pentium.
RISC
R I S C
,
.
.
1
(
CISC
4
).
RISC:
– ARM (
IBM PC RT) – 32-
,
118
.
RISC
(80860,
80960, 80870, Power PC)
64-
150
.
./ .
Power PC (Performance Optimized With Enhanced RISC PC)
Macintosh.
RISC
,
CISC-
:
,
IBM PC,
,
)
CISC
,
.
,
0,5
(
80486 Pentium-66
0,8-
).
117
:
100
,
(!)
"
" (300 000
);
,
3,3
5 ).
:
,
,
(
);
,
,
,
.
,
,
(
)
.
,
,
.
.
.
,
.
. 4.5.
:
. 4.5.
–
,
:
,
.
,
.
–
,
(
)
.
–
(
),
.
.
118
) –
,
(
)
,
.
,
–
.
:
M
,
;
;
;
(
),
,
;
(
),
,
;
(
)
;
;
.
.
(
. 4.6)
,
).
. 4.6.
–
,
;
.
-
:
1 (
1)
,
2 (
2) –
.
1
,
,
–
;
2 –
,
(
).
1
,
,
2
.
.
119
(+, -, *, :)
,
,
.
.
,
.
-
,
(
,
.
,
,
,
–
).
,
,
;
,
,
,
.
.
:
14
8086
Pentium.
.
(
,
),
(
,
)
.
,
.
[4].
,
,
.
,
,
,
,
.
–
,
.
65536.
–
,
,
,
,
.
–
.
,
.
,
,
,
,
.)
.
:
(
.);
,
;
.
,
:
,
,
,
.
,
,
,
120
.
.
(DOS – Disk Operation System)
.
–
.
DOS – Command.com
.
. 9)
(
)
,
(
)
.
.
(
).
,
,
.
,
,
.
.
4.15.
:
:
0103
;
:
5102
;
:
;
:
0103
.
(
)
,
,
.
1
,
,
.
,
.
Command.com
.
4.4.
–
,
.
a 40
.
,
(Cache),
"
".
,
.