Class notes Computer Applications Technology

, Computer application technolog
Types Of computer systems Storage devices
Hard drive
Non- portable computer External harddri
Desktop Flash drive
Server- powerful computer to Solid state drive
provide resources & services Optical media

Portable computers Communication devi
Laptop ADSL and fiber r
Tablet
Hybrid computers Virtual reality
Smartphone Computer create
Phablet to experience
Augmented reality
Categories of users Takes 3D object
Personal users - They don’t depend view of the real
on their laptops
SoHo - type for businesses Hardware recommenda
( entry level ) System unit
Power users- needs top of the range The CPU or proc
hardware (hardware gamers) RAM / memory
Mobile users - want/need to have their Hard disk drive
technology with them Video card
Convergence- multiple functions DVD Drive (
in one device Port (USB,

Information, process cycle Devices that con
Input-planning/ collecting data forms or Mouse & key
instructions Monitor / scr
Process -relies on software & loaded into Printer
RAM (memory) External sou
Scanner
Input devices Output devices
Keyboard Monitor/display Devices for disabl

Mouse Headphones Visually impar