400 



05 



i:: 



Q: 

 Ci 



I 



5 

 i 



k 



I 



i 



300 



200 



100- 



AVAILABLE FOR FUTURE 

 BACKGROUND PROGRAMS. 



E5S3 



BACKGROUND PROGRAMS 

 CALLED BY USER. 



BACKGROUND PROGRAMS 



CALLED BY REAL-TIME PROGRAM. 



V7777m 



DISK UTILIZATION FOR BASIC 

 REAL-TIME PROGRAM INCLUDING 

 TABLES AND TEMPORARY WORKING 

 AREAS IN ADDITION TO THAT 

 USED TO LOAD CORE MEMORY. 



CORE MEMORY 

 UTILIZED 



1962 



1963 1964 

 YEAR 



1965 



FIGURE 2 GROWTH OF COMPUTER PROGRAM ATTENDANT WITH THE 

 DEVELOPMENT OF THE SHIPBOARD SYSTEM 



372 



