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IBM 7090 User Manual

IBM 7090
190 pages
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AS(lO-17)+SC
III
(D1)
2.11.78.1
Shift
Gate
LI
to
SC
= 0
Set
al'ld
Shift
AC
RT
Step
SC
Each
Clock
Pulse
FIGURE
5.3-11.
ARS
+0771
Step
SC
Each
Clock
Pulse
2.11.79.1
Shift
Gate
LIto
SC
= 0
2.11.79.1
Set
and Shift
AC(Q-34)
and
MQ(I-34)
RT
2.12.33.1
2.12.43.1
Yes
LRS
AC(S)-.MQ(S)
AC(35)
.....
MQ(l)
2.12.33.1
2.12.33.1
FIGURE
5.3-12.
LRS
+0765;
LGR
-0765
2.12.43.1

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IBM 7090 Specifications

General IconGeneral
CategoryMainframe Computer
Introduced1959
Transistor-basedYes
Word Length36 bits
Add Time4.8 microseconds
MemoryCore memory
Memory (words)32, 768 words