| 
                                    
                                        gptkbp:instanceOf
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:mainframe_computer
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:architecture
                                    
                                 | 
                                
                                    
                                        
                                            
                                            16-bit
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:category
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:architecture
                                        
                                         
                                    
                                        
                                            
                                            minicomputers
                                        
                                        
                                         
                                    
                                        
                                            
                                            Digital Equipment Corporation products
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:countryOfOrigin
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:United_States
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:discontinued
                                    
                                 | 
                                
                                    
                                        
                                            
                                            1990s
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:influenced
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Motorola_68000
                                        
                                         
                                    
                                        
                                            gptkb:Intel_x86
                                        
                                         
                                    
                                        
                                            gptkb:VAX
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:instructionSet
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:PDP-11_ISA
                                        
                                         
                                    
                                        
                                            
                                            CISC
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:introduced
                                    
                                 | 
                                
                                    
                                        
                                            
                                            1970
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:length
                                    
                                 | 
                                
                                    
                                        
                                            
                                            16 bits
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:manufacturer
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Digital_Equipment_Corporation
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:marketedAs
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Digital_Equipment_Corporation
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:memoryBusWidth
                                    
                                 | 
                                
                                    
                                        
                                            
                                            18 bits
                                        
                                        
                                         
                                    
                                        
                                            
                                            22 bits
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:notableFeature
                                    
                                 | 
                                
                                    
                                        
                                            
                                            orthogonal instruction set
                                        
                                        
                                         
                                    
                                        
                                            
                                            general-purpose registers
                                        
                                        
                                         
                                    
                                        
                                            
                                            memory-mapped I/O
                                        
                                        
                                         
                                    
                                        
                                            
                                            auto-increment/decrement addressing
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:notableFor
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:UNIX_Version_6
                                        
                                         
                                    
                                        
                                            gptkb:UNIX_Version_7
                                        
                                         
                                    
                                        
                                            gptkb:RSTS/E
                                        
                                         
                                    
                                        
                                            gptkb:DECnet
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:notableModel
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:PDP-11/20
                                        
                                         
                                    
                                        
                                            gptkb:PDP-11/34
                                        
                                         
                                    
                                        
                                            gptkb:PDP-11/70
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:notablePeripheral
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:TU10_tape_drive
                                        
                                         
                                    
                                        
                                            gptkb:RK05_disk_drive
                                        
                                         
                                    
                                        
                                            gptkb:VT100_terminal
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:notableUser
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Bell_Labs
                                        
                                         
                                    
                                        
                                            gptkb:MIT
                                        
                                         
                                    
                                        
                                            gptkb:NASA
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:operatingSystem
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:RSX-11
                                        
                                         
                                    
                                        
                                            gptkb:UNIX
                                        
                                         
                                    
                                        
                                            gptkb:RT-11
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:SIM
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Ersatz-11
                                        
                                         
                                    
                                        
                                            gptkb:SIMH
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:successor
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:VAX
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:usedIn
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:industry
                                        
                                         
                                    
                                        
                                            gptkb:research
                                        
                                         
                                    
                                        
                                            
                                            education
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsParent
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:DEC_PDP-11
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsLayer
                                    
                                 | 
                                
                                    
                                        
                                            
                                            7
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        https://www.w3.org/2000/01/rdf-schema#label
                                    
                                 | 
                                
                                    
                                        
                                            
                                            PDP-11 family
                                        
                                        
                                         
                                    
                                 |