national curriculum

KS3

computational thinking

solving complex problems

breaking them down

focusing on what is relevant

creating algorithms

pseudocode

go between

I saw people do this

Internal

binary

how computers use binary

converting back and forth

used

represent

ASCII(characters)

Images

bitmap

images

click to edit

devices

input

output

storage

software

OS

Application

networks

LAN

WAN

topologies

Internet

CPU

Control unit

Immediate access store

control I/O

where info needed stored

ALU

performs

arithmetic

Performance

clockspeed

instruction p/sec

click to edit

cache

2ghz

mem

frequently

needed

info

stored

fetch-execute

data

hard drive

execute

mathematical functions

Internet

components

browser

URL

HTTP

HTML

WEB servers

upload

download

data packets

email

HTML

ADV

disdv

etiquette

VOIP

VIDEO coferencing

search engines

click to edit

Online Safety

Malware

phishing

staying safe

antivirus

firewall

what to do

cyberbullying