PS LAN(;IIAGE DEFINITION Portia Isaacson Xerox C o r p o r a t i o n Introduction -~flF6--iqfi4Y--f~w y e a r s h a s b r o u g h t a number o f c h a n g e s to tile d i g i t a l system designer's parts inventory - mainly the addition of large scale integration compon e n t s s u c h a s m e m o r i e s and p r o c e s s o r s . Tile s o l u t i o n of an i n f o r m a t i o n processing problem involves making the right choices from the variety of components offered and designing the hardware/software interface mechanisms between the c o m p o n e n t s . Methods of simulating t h i s new g e n e r a t i o n of digital systems are needed as tools. The d e m a n d s p l a c e d on s u c h a t o
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