computer systems
computer system
set of integrated devices that can input, output, process and store data
cpu
the main function of the cpu is to fetch decode and execute
operating system
fetch decode execute is known as fde
the cpu is the brain of the computer
fetch- instructions are collected from memory
decode-instructions are understood
execute- instructions are carried out
all of the FDE cycles are executed within a fraction of a second
manages the hardware and the rest of the software
An operating system (OS) is the software that manages all other software and hardware on a computer, providing common services for programs and generally allowing a computer to run
application system
a collection of Hardware and Software products designed to meet all of the requirements of a certain market for a specific type of exchange
utility software
used to clean and protect your computer system
hardware
something you can physically touch
software
something on computers but you cannot see until it is displayed on the monitor
embedded system
a system that has a cpu