8 Operating Systems

Question 1

an operating system is software that…

Answer 1

allows the user to run other applications on the device

The operation system also manages a computers hardware resources such as:
input devices
output devices
network devices
storage devices

the os also provides services to facilitate the management and memory of applications

Question 2

functions of the os are:

Answer 2

control storage and peripherals
provides interface to interact with the computer
manages security and user access
organises processing time by managing the cpu
makes sure memory is being used to its full potential

Question 3

modes of operation

Answer 3

1 real time processing- prioritises response to user input
2 multi programming
3 batch processing- run a group of things to be
processes that don’t need to be done real time
4 interactive processing- continual exchange of information between the user and the computer, opposite of batch
5 multi processing- running multiple applications concurrently
6 multi user- allows more than one user to use the processing network simultaneously