MDS621.3

Ordlyd: TechnologyEngineering and allied operationsApplied physicsElectrical, magnetic, optical, communications, computer engineering; electronics, lighting

Dewmoji: ????

0
Information
216,948
ℹ️
1
Philosophy and Psychology
229,419
💭
2
Religions
562,779
🙏
3
Social sciences
1,169,921
👫
4
Language
177,109
💬
5
Natural sciences and mathematics
380,441
🔬
6
Technology
844,132
💡
7
The arts
857,504
🎨
8
Literature
1,201,263
📚
9
History and Geography
703,933
🗺️
60
General Technology
8,586
💡
61
Medicine and health
277,111
💉
62
Engineering and allied operations
140,868
🔩
63
Agriculture & related technologies
78,723
🌱
64
Home and family management
152,587
🏠
65
Management and auxiliary services
131,640
👔
66
Chemical Technology
17,794
🚀
67
Manufacturing
7,692
📦
68
Manufacture of products for specific uses
18,201
🔨
69
Building
10,930
👷
620
Engineering
19,566
🔩
621
Applied physics
42,616
🏭
622
Mining Engineering and Mines and Mineral Resources
3,424
🕳
623
Military Engineering and Marine Engineering
13,937
624
Civil Engineering
7,390
🌉
625
Road and Railroad
5,150
🛤
626
unassigned since 1911 7th Edition (was Canal Engineering)
72
🤷
627
Hydraulic Engineering
1,678
🌊
628
Sanitary; Municipal
6,571
🚽
629
Other Branches
40,464
🌿
621.0
1,143
621.1
Steam engineering
567
621.2
Hydraulic machinery
238
621.3
Electrical, magnetic, optical, communications, computer engineering; electronics, lighting
30,327
621.4
Heat engineering
3,663
621.5
Pneumatic machinery and Compressed air and Refrigeration and refrigerating machinery
415
621.6
Fans (Machinery) and Pumping machinery
142
621.7
Production engineering and Factories and Machine-shop practice
155
621.8
Machine Engineering
2,398
621.9
Machine-tools
1,300
621.30
Electric power plant
418
621.31
Generation, modification, storage, transmission of electric power
4,466
621.32
Lighting
356
621.33
Electric Railways
41
621.34
Magnets and Electromagnets
107
621.35
Batteries and Superconductivity
32
621.36
Optical engineering
2,657
621.37
Electrical Measurement Instruments
133
621.38
Electronics, communications engineering
18,275
621.39
Computer engineering
2,189

Selected Works under MDS 621.3 (30,327)

Relaterede nøgleord

19. århundrede (180) Alexander Graham Bell (146) amateur radio (244) amerikansk historie (195) Apple (318) billedbog (141) biografi (4,097) biografier (208) circuits (97) Computer (228) computer science (228) computere (579) computing (104) DIY (231) ebog (238) Edison (113) EE (134) electrical (239) electrical engineering (483) electricity (658) electronics (2,783) engineering (744) erhverv (279) faglitteratur (2,795) fjernsyn (96) fysik (419) ham radio (230) hardware (130) historie (1,331) history of technology (90) home improvement (217) home repair (117) inventions (238) inventors (861) Kindle (159) lyd (152) lærebog (368) Magic School Bus (131) matematik (226) musik (274) network (141) Nikola Tesla (99) opslagsværk (480) optics (106) radio (489) realistisk fiktion (126) scientists (100) selvbiografi (106) signal processing (156) Skal læses (1,833) skole (106) skønlitteratur (179) Steve Jobs (198) sådan gør du (190) teknologi (920) telephone (114) Tesla (156) Thomas Edison (335) videnskab (1,975) wiring (107)

"Far Friends"

MDS classes with significant recommendations overlap, excluding ones under the same top-level class.

MDS
Schedule
005.43
InformationComputer Science; Knowledge and SystemsComputer programming, programs, data, securitySystems programming and programsSystems programs
005.13
InformationComputer Science; Knowledge and SystemsComputer programming, programs, data, securityProgrammingLanguages
537
Natural sciences and mathematicsPhysicsElectricity
005.4
InformationComputer Science; Knowledge and SystemsComputer programming, programs, data, securitySystems programming and programs
005.44
InformationComputer Science; Knowledge and SystemsComputer programming, programs, data, securitySystems programming and programsOperating systems for specific types of computers
005.1
InformationComputer Science; Knowledge and SystemsComputer programming, programs, data, securityProgramming
004.6
InformationComputer Science; Knowledge and SystemsComputer scienceNetworking
001.6
InformationComputer Science; Knowledge and SystemsKnowledge[formerly : Data processing]
001.64
InformationComputer Science; Knowledge and SystemsKnowledge[formerly : Data processing][formerly : Electronic]
004.1
InformationComputer Science; Knowledge and SystemsComputer scienceBy Computer Type
005.8
InformationComputer Science; Knowledge and SystemsComputer programming, programs, data, securityComputer Security
530.1
Natural sciences and mathematicsPhysicsPhysicsTheoretical Physics
004
InformationComputer Science; Knowledge and SystemsComputer science
005
InformationComputer Science; Knowledge and SystemsComputer programming, programs, data, security
530
Natural sciences and mathematicsPhysicsPhysics
00X
InformationComputer Science; Knowledge and Systems
005.2
InformationComputer Science; Knowledge and SystemsComputer programming, programs, data, securityProgramming for Specific Environments
515
Natural sciences and mathematicsMathematicsAnalysis
53X
Natural sciences and mathematicsPhysics
006.6
InformationComputer Science; Knowledge and SystemsSpecial TopicsComputer Graphics

Ordlyd

1922 udgaven
Do NOT copy from the copyrighted sources. 1922 edition here, in absurd phonetic English. Use standard spelling.
Modern Language
Modern wording should be based on the Free Decimal System or on the 1922 edition of Dewey. Language and concepts may be modernized. Do not use an in-copyright source.
Emoji
A single emoji for this DDC Class. The full emoji will be composed of the emojis from the top level to this one.