Transcript Document

91070 – Operating Systems
NZQA Report
“Candidates were not advantaged by defining
every type of operating system provided as
examples in the explanatory notes of the
standard. Candidates who defined each type
of operating system often relied heavily on
internet sources and tended to provide
verbatim definitions with no attempt at
describing an operating system’s key features
or explaining the purpose in their own words.
Effective reports focused on describing the
key features and explaining the purpose of
the operating system(s) that the candidates
were familiar with using in their classwork or
at home.”
Achieved Criteria
• Identify and describe key features of
the OS as those key features relate to
the management of information.
• To demonstrate understanding, use of
student voice is essential. Students
should provide examples of how they
interact with the operating system and
the key features they access to
complete their day-to-day computer
tasks.
Not Achieved
Identify AND Describe
• Reasons for non-achievement (from
the NZQA Report):
– provided lists of key features of
application software or operating
systems with no related descriptions
– provided a rote definition of an
operating system without related
descriptions of the key features
Not Achieved
Identify but did Describe
(NZQA Exemplar)
Identify & Describe
Achieved
Key Feature is identified and also described in relation to
how they used it to manage information.
“The Tasks of the operating system are
•
The Loading and running applications so that the user can use it without any hassle.
•
The track of memory space so that the user knows when they are close to using all of the
memory in their computer.
•
Manage password security is important because you want to keep your computer safe
from anyone who wants to get into it. For example I have a password for my school
account so that I only can get access to my account and no one else, same with my
Internet.
•
Allow hardware to communicate with the software to load applications and other sorts of
programs that the user would like to use.
•
Move data to and from the hard drive with other storage devices such as a USB that
helped me specifically when it came to shifting my data of projects from my windows to
my MacOS.
•
Allows the file management of creating folders, copying files, deleting files. This is
something I used when I had to sort my different sorts of data separate to each other do I
didn’t get confused with what I was creating, copying and naming.
•
Allows the user to communicate commands to the computer for example if I wanted to
open Microsoft word I would only have to simply click on it and then the computer will
open it for me so that I can use it.
Multi tasking
It allows you to be able to have more that one document open at a time, allowing you to access more
than one website if you are researching something. For example if I had to be on my emails and send
a link or find some information at the same time the computer will multi task to let me go on more than
one application at a time to do what you need to do.
Achieved
Identify and Describe
(From NZQA Exemplar)
Merit Criteria
• Demonstrate in-depth understanding of
basic concepts of information management
involves:
– explaining the purpose of operating systems
… to manage information. (EN2)
• From the NZQA Report:
– explained the purpose of an operating system
and related their descriptions of the key
features to the operating system’s purpose
– explained how they utilised an operating
system’s key features in their daily work by
providing descriptive examples or annotated
screen captures
Merit
Explaining the Purpose
Explaining the Purpose
Merit
“…The operating system is the managing piece of software. Its job is to manage
the overall functioning of a computer. It communicates with the hardware
devices connected to your computer and your application software. Your
application software does not communicate with your computer hardware. No,
this is the operating system’s responsibility. For example, when you press “save”
on a word document your operating system is sending a message to your
computer hardware. It knows about every device plugged into your computer.
Your operating system also allows you to copy and paste between different
applications, which is a tool used by users almost every day. Often, we take
advantage of the operating system’s features without even realising that we are
doing it.
On the school network desktop computers, we use a Windows operating system
but on our laptops, we use a Mac OS X operating system. Both systems have their
advantages and disadvantages but are quite similar in the tasks they perform.
They are both “GUI” operating systems, which stands for graphical user interface.
This means that things such as the applications and commands are represented
by graphics and it is easier to the average computer user because people relate
well with images. There are also “CLI” operating systems, which most people do
not use anymore because they are a lot more complex than a “GUI” operating..”