Acronyms + Layers 5.0 / 5 based on 1 rating ? ComputingacronymsGCSEOCR Created by: neilsfriendCreated on: 22-10-18 10:48 Layer 1 Data Link 1 of 20 Layer 2 Network 2 of 20 Layer 3 Transport 3 of 20 Layer 4 Application 4 of 20 TCP, Transmission ? Protocol Control 5 of 20 SMTP, Simple Mail ? Protocol Transfer 6 of 20 IP, ? Protocol Internet 7 of 20 DNS, ? Name Server Domain 8 of 20 SQL, Structured ? Language Query 9 of 20 GUI, ? User Interface Graphical 10 of 20 CLI, ? Line Interface Command 11 of 20 CPU, Central ? Unit Processing 12 of 20 ALU, Arithmetic ? Unit Logic 13 of 20 RAM, Random ? Memory Access 14 of 20 ROM, Read-Only ? Memory 15 of 20 MAR, Memory ? Register Address 16 of 20 MDR, Memory ? Register Data 17 of 20 AC Accumulator 18 of 20 PC, ? Counter Program 19 of 20 CU, Control ? Unit 20 of 20
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