pathopoeia \path`opoe"ia\, n.; pl. -ias. nl., from gr.
   paqopoii`:a; pa`qos passion + poiei^n to make. rhet.
   a speech, or figure of speech, designed to move the passion.
   --smart.
   1913 webster
see also:
-ias 

ias
     interactive application system dec
     
     

ias
     
         the first modern computer.  it had main
        registers, processing circuits, information paths within the
        central processing unit and used von neumann's
        fetch-execute cycle.
     
        the ias machine's basic unit of information was a 40 bit
        word and the memory had 4096 words.  a word stored in memory
        could represent either an instruction or data.  each ias
        instruction was twenty bits long, so that two instructions
        could be stored in each 40-bit memory location.  each
        instruction consisted of an 8-bit operation code and a
        12-bit address that could identify any of 2^12 locations that
        may be used to store an operand of the instruction.
     
        the cpu consisted of a data processing unit and a program
        control unit.  it contained various processing and control
        circuits along with a set of high-speed registers for the
        temporary storage of instructions, memory addresses and data.
     
        the main actions specified by instructions were performed by
        the arithmetic-logic circuits of the data processing unit.  an
        electronic clock circuit was used to generate the signals
        needed to synchronise the operation of the different parts of
        the system.
     
        1996-11-24
     
     
see also:
registers central processing unit von neumann fetch-execute cycle word operation code 
operand cpu