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IBM 7090 User Manual

IBM 7090
190 pages
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Page #126 background image
Plus to Ace
(5)
16
(01)
2.12.92.1
Prevent SR(18-35)
+AO(P-17)
19
(03)
2.12.16.1
Note:
Tag
=0
Block
XR
...
Adders
10
(03)
Put Zeros in
SR(1-20)by
Operating Set and Hold Lines
Zero
Already in
SR(S)
L.::....:.=-':'':'''=''..:-...I
AS
Goes to SR(21-35)
FIGURE
5.3-63.
PXA
+0754;
PXO
-0754
125
FIGURE
5.3-64.
SXA
+0634;
SXO
-0634

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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