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IBM Archives > Exhibits > IBM's NORC > NORC Reference room > 

NORC Characteristics

 
 

Number system
Decimal throughout

Mode of operation
Serial by digit

Word size
Sixteen digits and check

Instructions
Sixty-three different three-address operations.

Tapes
Number of tape units:
  8
Density:   510 characters an inch.
Speed:   140 inches a second.
Information rate:   70,000 characters a second.
Starting time:   8 thousandths of a second.
     
Electrostatic memory
Number of words:   2,000
Access time:   8 millionths of a second
     
Arithmetic

Decimal point procedure:

  automatic floating or specified
Multiplication time:   31 millionths of a second.
Addition time:   15 millionths of a second.
Complete operations, including floating decimal point, address modification:   15,000 a second.
     
Printing
Number of printers:   2
Speed:   18,000 characters a minute
     
 
NORC Reference room
NORC Booklet NORC Booklet  
NORC Press release NORC Press release  
NORC Characteristics NORC Characteristics  
NORC Chronology NORC Chronology  
NORC Team NORC Team  
NORC Photo album NORC Photo album  
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