Untitled

CPU (Central Processing Unit) - memory - oporations - Results

RAM - Random Access Memory - fast- temory - volatile

Secondary Storage - data can be used at anytime - non volatile - flash memory

Hard Drives - Secondary- Solid state disks (SSD) - Magnetic

Computional thinking - way of appraoching probmels

pattern matching -

abstration - ignoring irrelvant details and reducing a probmels to its essential features.

algoithms - sequence of steps to solve a probmel

decompsition - breacking down a lagre task ito smaller task. normally applied to probmels or systems.

world wide web is a system (network) of connected files hosted on the internet (connected using hyperlinks)

client server model

client issuses a request (computer) - server carries out request - info transmitted to computer - browser renders into webpage.

http = hyper text transport protocol - request/ response protocol - http is a protocol specific to applications

TCP - transmission control protocol - binary information is transported reliably between computers - info packets.

IP - internet protocol - handles the creation of data packets/ how they are routed around the network.

IP Address - ode that identifies a computer new=twork / partical computer/other device on a network.

WIFI protocol - oprates atphsical layer - flow of data around a WIFI network (home)

VIOP - Voice Over Internet Protocol - deliver voice data

Content of the notes (2)