IBM 709 General Information Manual page 44

Figure 97.
IBM
740
CRT
Output Recorder
the display of that data on the faces of the
CRT'S,
and
the operation of the camera are all accomplished at
electronic speeds under control of the stored program.
The 7090 system does not use either the
CRT
re-
corder or the
CRT
display units.
Figure 99 shows comparative statistics of the 709
and 7090 systems. Refer to the Reference Manuals
(IBM 709, Form A22-6536, or IBM 7090, Form
A22-6528) for the operational details concerning the
systems.
Figure 98.
IBM
780
CRT
Display
709
7090
Core Storage Size 4096, 8192 or 32,768 words
32,768 words
T
ransi stari
zed
no yes
Internal Speed (Basic Cycle) 12usec
2.18 usee
Simul taneous Read-Write-Compute yes
yes
Tape Skip Abil ity yes yes
Automatic Input-Output Priority yes yes
Data Channel Trapping
y~s
yes
Number of Instructions 208 220
Maximum Number of:
Tape Units 48 80
1-0 Data Channels 2,4 or 6 1 thru 8
Card Readers 3 8
Card Punches 3 8
Printers 3
8
Magneti c Drums 2 none
CRT Recorder and Display 1
none
Figure 99. Comparison of the
IBM
709 and 7090 Systems
Input-Output Components 43