Communication Protocols
Protocols are agreed forms of communication. Computer networks require protocols to transfer different types of data reliably and efficiently – and sometimes securely – most protocols […]
Articles by antony
Transmission media
Transmission media (or medium) refers to any method of network connection, whether it is wired or wireless. They all transfer packets of data using different […]
Data types
Computers store information as binary 1’s and 0’s. These are known as bits. Groups of 8 bits are bytes. Ultimately, whatever data we store in […]
Structure Charts
Structure charts show the functions/modules within software and the parameters passed between them. Note: the only symbols you need to use are process and data […]
Data Integrity (database)
Data integrity is about ensuring all data is consistent and accurate throughout a database. Referential integrity ensures all foreign keys have a primary key in another […]
Binary, Decimal, and Hexadecimal
Binary Base 2. 0’s and 1’s. Binary is how all computers store and deal with data, whether that data is representing numbers, words, images, audio, […]
Networking components
These pieces of equipment are just some of the network components required to create computer communication networks. You need to know what they are […]
Compare common development processes
A methodology describes how the stages of the development framework are completed. Linear (waterfall) In it’s most simplistic definition each phase must be completed before […]