1.3 Networks, connections and protocols full topic revision | OCR J277 9-1 Computer Science

Revision notes and explanations for 1.3 Networks, connections and protocols OCR J277 9-1 Computer Science. Chapters: 0:00 What is a network? 0:31 Advantages and disadvantages of using a network 2:03 What is a LAN? 3:05 What is a WAN? 3:57 What is a network practice questions 5:38 What affects network performance? 5:57 What is bandwidth? 6:50 Wired or wireless networks 8:17 Choice of network hardware 8:58 Network performance practice questions 10:15 What is network hardware? 10:49 Examples of network hardware and their function 13:46 Network hardware practice questions 15:12 Client-server vs peer-to-peer networks 15:38 What is a client-server network? 16:40 Advantages and disadvantages of a client-server network 18:10 What is a peer-to-peer network 18:34 Advantages and disadvantages of a peer-to-peer network 19:23 Client-server vs peer-to-peer practice questions 21:19 What is a network topology? 21:59 What is a star topology? 24:50 What is a mesh topology? 25:30 Network topologies practice questions 27:05 What is DNS (domain name system) 29:55 DNS practice questions 31:37 How do devices communicate (network standards) 32:20 What is a MAC address? 33:00 What is an IP address? 33:52 How do devices communicate practice questions 34:57 What are network protocols? 35:32 Common network protocols 38:22 Network layering (4-layer model) 40:14 Protocols and layers practice questions 41:51 What is the cloud? 43:36 Advantages and disadvantages of the cloud 45:24 The Cloud practice questions I'd recommend pausing the video on the questions at the end to test yourself on this topic - additionally, make yourself flash cards to test yourself, example: On the front: what affects the CPU performance? On the back: The CPU clock speed will determine how many FDE cycles can be performed in one second. The CPU can execute more instructions with additional cores as each core works independently. Mr Moore __________________________________________________________ #computerscience #revision #networks 1.2 Memory & Storage full topic revision | OCR J277 9-1 Computer Science 1.2 Memory & Storage full topic revision | OCR J277 9-1 Computer Science OCR Computer Science OCR Computer Science Computer Science GCSE Mr Moore Computer Science Mr Moore GCSE Computer Science 9-1 OCR Computer Science 1.1 systems architecture J277 J277 computer science j277 revision Computer science revision OCR j277 computer science 1.3 Networks, connections and protocols full topic revision | OCR J277 9-1 Computer Science 1.3 Networks, connections and protocols full topic revision | OCR J277 9-1 Computer Science