IBM 7090 User Manual

CPU
7607
Data
Chan
I
CD
MPX}
f
Storage
7607
Data
Chan
II
Data
Channel
CPU
Control
and
Arithmetic
Storage
Data
Channel
Input
- Output
and
Control
FIGURE 1.3-1. 7090 SYSTEM FUNCTIONAL ARRANGEMENT
7607
II
7100
CPU
I
Up to Ten 729 II's or IV's per Data Channel
7607
II
7100
CPU
2
7151
Console
721
Card Punch ..
7607
II
7606
Multi-
plexor
711
Card
Reader
716 I
--I
7607
II
7302
Core
Stor
7607
II
7607
II
Print~r
I
Power (400 208v, 3¢) to All Frames
~
.....
FIGURE 1.3-2. BLOCK REPRESENTATION OF 7090 SYSTEM
Card
Reader
CPU
Storage
Data
Channel
CPU
Storage Printer
Run Card Reader and Read A and B
Add A and
B, Store Sum C
Start
the Pri nter and Print C
FIGURE 1.4-1. ADD A AND B, PRINT C
7

IBM 7090 Specifications

General

Category	Mainframe Computer
Introduced	1959
Transistor-based	Yes
Word Length	36 bits
Add Time	4.8 microseconds
Memory	Core memory
Memory (words)	32, 768 words