| Section 171-01: General |
| 171-01-01 | information | |
| 171-01-02 | data | |
| 171-01-03 | signal | |
| 171-01-04 | analogue, adj | |
| 171-01-05 | discrete, adj | |
| 171-01-06 | discrete value | |
| 171-01-07 | digital, adj | |
| 171-01-08 | hybrid, <for representation of information> adj | |
| 171-01-09 | continuous-value signal | |
| 171-01-10 | continuous-time signal | |
| 171-01-11 | discrete-value signal | |
| 171-01-12 | discretely timed signal | |
| 171-01-13 | digital signal | |
| 171-01-14 | analogue signal | |
| 171-01-15 | code | |
| 171-01-16 | digital technology | |
| 171-01-17 | data processing | |
| 171-01-18 | automatic data processing | |
| 171-01-19 | information processing | |
| 171-01-20 | hardware, <in information processing> | |
| 171-01-21 | software | |
| 171-01-22 | functional unit, <in information processing> | |
| 171-01-23 | resource, <in computer technology> | |
| 171-01-24 | interface | |
| 171-01-25 | computer | |
| 171-01-26 | data processing system | |
| 171-01-27 | computer science | |
| Section 171-02: Organization and representation of data |
| 171-02-01 | data element | |
| 171-02-02 | n-ary, adj | |
| 171-02-03 | binary, adj | |
| 171-02-04 | ternary, adj | |
| 171-02-05 | octal, adj | |
| 171-02-06 | decimal, adj | |
| 171-02-07 | duodecimal, adj | |
| 171-02-08 | hexadecimal, adj | |
| 171-02-09 | amount of data | |
| 171-02-10 | binary digit | |
| 171-02-11 | bit, <unit> | |
| 171-02-12 | byte, <data element> | |
| 171-02-13 | byte, <unit> | |
| 171-02-14 | kibi | |
| 171-02-15 | mebi | |
| 171-02-16 | gibi | |
| 171-02-17 | tebi | |
| 171-02-18 | pebi | |
| 171-02-19 | exbi | |
| 171-02-20 | zebi | |
| 171-02-21 | yobi | |
| 171-02-22 | n-bit byte | |
| 171-02-23 | n-bit byte, <exactly n> | |
| 171-02-24 | character set | |
| 171-02-25 | alphabet | |
| 171-02-26 | string | |
| 171-02-27 | word | |
| 171-02-28 | record, <in data processing> | |
| 171-02-29 | field, <in software> | |
| 171-02-30 | file | |
| 171-02-31 | table | |
| 171-02-32 | list | |
| 171-02-33 | queue | |
| 171-02-34 | mean queue length | |
| 171-02-35 | identifier | |
| 171-02-36 | key, <in organization of data> | |
| 171-02-37 | label, <in organization of data> | |
| 171-02-38 | pointer | |
| 171-02-39 | delimiter | |
| 171-02-40 | convert, <in data processing> verb | |
| 171-02-41 | read, verb | |
| 171-02-42 | write, verb | |
| 171-02-43 | delete, verb | |
| 171-02-44 | order | |
| 171-02-45 | sequence, <in organization of data> | |
| 171-02-46 | syntax | |
| 171-02-47 | bar code | |
| Section 171-03: Logic operations |
| 171-03-01 | logic, adj | |
| 171-03-02 | logic operation | |
| 171-03-03 | operator | |
| 171-03-04 | operand | |
| 171-03-05 | Boolean operation | |
| 171-03-06 | Boolean operator | |
| 171-03-07 | n-adic Boolean operation | |
| 171-03-08 | dyadic Boolean operation | |
| 171-03-09 | monadic Boolean operation | |
| 171-03-10 | negation | |
| 171-03-11 | complementary operation | |
| 171-03-12 | dual operation | |
| 171-03-13 | identity operation | |
| 171-03-14 | non-identity operation | |
| 171-03-15 | equivalence operation | |
| 171-03-16 | exclusive-or operation | |
| 171-03-17 | conjunction | |
| 171-03-18 | non-conjunction | |
| 171-03-19 | disjunction | |
| 171-03-20 | non-disjunction | |
| 171-03-21 | exclusion | |
| 171-03-22 | implication | |
| Section 171-04: Hardware |
| 171-04-01 | processor | |
| 171-04-02 | instruction control unit | |
| 171-04-03 | arithmetic and logic unit | |
| 171-04-04 | processing unit | |
| 171-04-05 | central processing unit | |
| 171-04-06 | microprocessor | |
| 171-04-07 | peripheral equipment | |
| 171-04-08 | supercomputer | |
| 171-04-09 | personal computer | |
| 171-04-10 | portable computer | |
| 171-04-11 | tablet computer | |
| 171-04-12 | calculator | |
| 171-04-13 | array processor | |
| 171-04-14 | storage device | |
| 171-04-15 | memory | |
| 171-04-16 | storage capacity | |
| 171-04-17 | equivalent binary storage capacity | |
| 171-04-18 | internal storage | |
| 171-04-19 | register | |
| 171-04-20 | buffer storage | |
| 171-04-21 | main storage | |
| 171-04-22 | input-output channel | |
| 171-04-23 | external storage | |
| 171-04-24 | direct access | |
| 171-04-25 | direct access storage | |
| 171-04-26 | read-only memory | |
| 171-04-27 | RAM | |
| 171-04-28 | permanent storage | |
| 171-04-29 | erasable storage | |
| 171-04-30 | electrically alterable storage | |
| 171-04-31 | volatile storage | |
| 171-04-32 | non-volatile storage | |
| 171-04-33 | direct memory access | |
| 171-04-34 | sequential access | |
| 171-04-35 | cache memory | |
| 171-04-36 | input device, <in data processing> | |
| 171-04-37 | output device, <in data processing> | |
| 171-04-38 | keyboard | |
| 171-04-39 | computer screen | |
| 171-04-40 | pointing device | |
| 171-04-41 | mouse | |
| 171-04-42 | touchpad | |
| 171-04-43 | joystick | |
| 171-04-44 | thumbwheel | |
| 171-04-45 | trackball | |
| 171-04-46 | printer | |
| 171-04-47 | scanner | |
| 171-04-48 | universal serial bus | |
| Section 171-05: Software |
| 171-05-01 | operating system | |
| 171-05-02 | kernel, <of an operating system> | |
| 171-05-03 | firmware | |
| 171-05-04 | application software | |
| 171-05-05 | computer program | |
| 171-05-06 | application program | |
| 171-05-07 | algorithm | |
| 171-05-08 | instruction, <in computer programs> | |
| 171-05-09 | machine instruction | |
| 171-05-10 | programming language | |
| 171-05-11 | high-level language | |
| 171-05-12 | machine-oriented language | |
| 171-05-13 | machine language | |
| 171-05-14 | command language | |
| 171-05-15 | assembly language | |
| 171-05-16 | assemble, verb | |
| 171-05-17 | assembler | |
| 171-05-18 | source language | |
| 171-05-19 | source program | |
| 171-05-20 | object language | |
| 171-05-21 | object program | |
| 171-05-22 | man-machine language | |
| 171-05-23 | programming system | |
| 171-05-24 | translate, verb | |
| 171-05-25 | translator | |
| 171-05-26 | compile, verb | |
| 171-05-27 | compiler | |
| 171-05-28 | interpret, verb | |
| 171-05-29 | map over, verb | |
| 171-05-30 | interrupt | |
| 171-05-31 | debug, verb | |
| 171-05-32 | dump, verb | |
| 171-05-33 | microprogram | |
| 171-05-34 | microinstruction | |
| 171-05-35 | address, <in software> | |
| 171-05-36 | absolute address | |
| 171-05-37 | direct address | |
| 171-05-38 | indirect address | |
| 171-05-39 | base address | |
| 171-05-40 | relocatable address | |
| 171-05-41 | parameter | |
| 171-05-42 | routine | |
| 171-05-43 | subprogram | |
| 171-05-44 | function, <in computer programming> | |
| 171-05-45 | procedure, <in computer programming> | |
| 171-05-46 | call, <in software> | |
| 171-05-47 | link, <in programming> noun | |
| 171-05-48 | link, <in programming> verb | |
| 171-05-49 | macroinstruction | |
| 171-05-50 | conversational mode | |
| 171-05-51 | time-sharing | |
| 171-05-52 | time-slicing | |
| 171-05-53 | real-time, adj | |
| 171-05-54 | pack, verb | |
| 171-05-55 | relocate, verb | |
| 171-05-56 | search, noun | |
| 171-05-57 | chaining search | |
| 171-05-58 | dichotomizing search | |
| 171-05-59 | patch, verb | |
| 171-05-60 | reusable, adj | |
| 171-05-61 | reentrant, adj | |
| 171-05-62 | load, <in computer technology> verb | |
| 171-05-63 | sequential, adj | |
| 171-05-64 | concurrent, adj | |
| 171-05-65 | consecutive, adj | |
| 171-05-66 | default, adj | |
| 171-05-67 | markup language | |
| 171-05-68 | task, <in programming> | |
| 171-05-69 | multitasking | |
| 171-05-70 | exception | |
| Section 171-06: Data transfer |
| 171-06-01 | transfer, verb | |
| 171-06-02 | transmit, verb | |
| 171-06-03 | transfer rate | |
| 171-06-04 | data signalling rate | |
| 171-06-05 | period of data elements | |
| 171-06-06 | period of binary digits | |
| 171-06-07 | signal energy per binary digit | |
| 171-06-08 | error probability | |
| Section 171-07: Information theory |
| 171-07-01 | information theory | |
| 171-07-02 | communication theory | |
| 171-07-03 | information, <in information theory> | |
| 171-07-04 | message, <in information theory and communication theory> | |
| 171-07-05 | message source | |
| 171-07-06 | message sink | |
| 171-07-07 | channel, <in communication theory> | |
| 171-07-08 | symmetric binary channel | |
| 171-07-09 | stationary message source | |
| 171-07-10 | decision content | |
| 171-07-11 | shannon | |
| 171-07-12 | hartley | |
| 171-07-13 | natural unit, <in information theory> | |
| 171-07-14 | information content | |
| 171-07-15 | entropy, <in information theory> | |
| 171-07-16 | maximum entropy | |
| 171-07-17 | relative entropy | |
| 171-07-18 | redundancy, <in information theory> | |
| 171-07-19 | relative redundancy | |
| 171-07-20 | joint information content | |
| 171-07-21 | conditional information content | |
| 171-07-22 | joint entropy | |
| 171-07-23 | conditional entropy | |
| 171-07-24 | equivocation | |
| 171-07-25 | irrelevance | |
| 171-07-26 | transinformation content | |
| 171-07-27 | mean transinformation content | |
| 171-07-28 | character mean entropy | |
| 171-07-29 | average information rate | |
| 171-07-30 | character mean transinformation content | |
| 171-07-31 | average transinformation rate | |
| 171-07-32 | channel capacity per character | |
| 171-07-33 | channel time capacity | |
| Section 171-08: Security |
| 171-08-01 | computer security | |
| 171-08-02 | computer safety | |
| 171-08-03 | cyberspace | |
| 171-08-04 | cyberspace security | |
| 171-08-05 | integrity, <of data> | |
| 171-08-06 | confidentiality | |
| 171-08-07 | authenticity | |
| 171-08-08 | cryptography | |
| 171-08-09 | encryption | |
| 171-08-10 | decryption | |
| 171-08-11 | digital signature | |
| 171-08-12 | attack | |
| 171-08-13 | threat | |
| 171-08-14 | malware | |
| Section 171-09: Applications |
| 171-09-01 | office automation | |
| 171-09-02 | text processing | |
| 171-09-03 | electronic publishing | |
| 171-09-04 | spreadsheet program | |
| 171-09-05 | multimedia, adj | |
| 171-09-06 | hyperlink | |
| 171-09-07 | hypertext | |
| 171-09-08 | hypermedia, adj | |
| 171-09-09 | computer graphics | |
| 171-09-10 | embedded system | |
| 171-09-11 | social network | |
| 171-09-12 | cloud computing | |
| 171-09-13 | virtual reality | |
| 171-09-14 | digital cinema | |
| 171-09-15 | e-learning | |
| 171-09-16 | artificial intelligence, <discipline> | |
| 171-09-17 | artificial intelligence, <capability> | |
| 171-09-18 | expert system | |
| 171-09-19 | optical character recognition | |
| 171-09-20 | pattern recognition | |
| 171-09-21 | database | |
| 171-09-22 | database management system | |
| 171-09-23 | distributed data processing | |
| 171-09-24 | computer-aided, adj | |
| 171-09-25 | robot | |
| 171-09-26 | robotics | |