<s>
A	O
screencast	B-Protocol
is	O
a	O
digital	O
recording	O
of	O
computer	O
screen	O
output	O
,	O
also	O
known	O
as	O
a	O
video	B-Protocol
screen	I-Protocol
capture	I-Protocol
or	O
a	O
screen	B-Protocol
recording	I-Protocol
,	O
often	O
containing	O
audio	O
narration	O
.	O
</s>
<s>
The	O
term	O
screencast	B-Protocol
compares	O
with	O
the	O
related	O
term	O
screenshot	B-Application
;	O
whereas	O
screenshot	B-Application
generates	O
a	O
single	O
picture	O
of	O
a	O
computer	O
screen	O
,	O
a	O
screencast	B-Protocol
is	O
essentially	O
a	O
movie	O
of	O
the	O
changes	O
over	O
time	O
that	O
a	O
user	O
sees	O
on	O
a	O
computer	O
screen	O
,	O
that	O
can	O
be	O
enhanced	O
with	O
audio	O
narration	O
and	O
captions	O
.	O
</s>
<s>
Udell	O
selected	O
the	O
term	O
"	O
screencast	B-Protocol
"	O
,	O
which	O
was	O
proposed	O
by	O
both	O
Joseph	O
McDonald	O
and	O
Deeje	O
Cooley	O
.	O
</s>
<s>
The	O
terms	O
"	O
screencast	B-Protocol
"	O
and	O
"	O
screencam	B-Protocol
"	O
are	O
often	O
used	O
interchangeably	O
,	O
due	O
to	O
the	O
market	O
influence	O
of	O
ScreenCam	B-Protocol
as	O
a	O
screencasting	B-Protocol
product	O
of	O
the	O
early	O
1990s	O
.	O
</s>
<s>
ScreenCam	B-Protocol
,	O
however	O
,	O
is	O
a	O
federal	O
trademark	O
in	O
the	O
United	O
States	O
,	O
whereas	O
screencast	B-Protocol
is	O
not	O
trademarked	O
and	O
has	O
established	O
use	O
in	O
publications	O
as	O
part	O
of	O
Internet	O
and	O
computing	O
vernacular	O
.	O
</s>
<s>
Screencasts	B-Protocol
can	O
help	O
demonstrate	O
and	O
teach	O
the	O
use	O
of	O
software	O
features	O
.	O
</s>
<s>
Creating	O
a	O
screencast	B-Protocol
helps	O
software	O
developers	O
show	O
off	O
their	O
work	O
.	O
</s>
<s>
Educators	O
may	O
also	O
use	O
screencasts	B-Protocol
as	O
another	O
means	O
of	O
integrating	O
technology	O
into	O
the	O
curriculum	O
.	O
</s>
<s>
Screencasts	B-Protocol
are	O
useful	O
tools	O
for	O
ordinary	O
software	O
users	O
as	O
well	O
:	O
They	O
help	O
filing	O
report	O
bugs	O
in	O
which	O
the	O
screencasts	B-Protocol
take	O
the	O
place	O
of	O
potentially	O
unclear	O
written	O
explanations	O
;	O
they	O
help	O
showing	O
others	O
how	O
a	O
given	O
task	O
is	O
accomplished	O
in	O
a	O
specific	O
software	O
environment	O
.	O
</s>
<s>
Screencasts	B-Protocol
may	O
increase	O
student	O
engagement	O
and	O
achievement	O
and	O
also	O
provide	O
more	O
time	O
in	O
which	O
students	O
can	O
work	O
collaboratively	O
in	O
groups	O
,	O
so	O
screencasts	B-Protocol
help	O
them	O
to	O
think	O
through	O
cooperative	O
learning	O
.	O
</s>
<s>
In	O
addition	O
,	O
screencasts	B-Protocol
allow	O
students	O
to	O
move	O
at	O
their	O
own	O
pace	O
since	O
they	O
can	O
pause	O
or	O
review	O
content	O
anytime	O
and	O
anywhere	O
.	O
</s>
<s>
Screencasts	B-Protocol
are	O
excellent	O
for	O
those	O
learners	O
who	O
just	O
need	O
an	O
oral	O
as	O
well	O
as	O
a	O
visual	O
explanation	O
of	O
the	O
content	O
presented	O
.	O
</s>
<s>
Microsoft	O
's	O
Xbox	B-Protocol
(	O
app	O
)	O
included	O
in	O
Windows	O
10	O
has	O
a	O
screen	B-Protocol
recorder	I-Protocol
.	O
</s>
<s>
Trial	O
versions	O
of	O
screencasting	B-Protocol
programs	O
often	O
apply	O
a	O
watermark	O
,	O
encouraging	O
users	O
to	O
purchase	O
the	O
full	O
version	O
in	O
order	O
to	O
remove	O
it	O
.	O
</s>
<s>
Open-source	O
tools	O
like	O
OBS	B-Language
Studio	I-Language
and	O
ShareX	B-Protocol
exist	O
for	O
both	O
screencasting	B-Protocol
and	O
livestreaming	O
the	O
recorded	O
video	O
.	O
</s>
<s>
OBS	B-Language
Studio	I-Language
in	O
particular	O
is	O
widely	O
used	O
for	O
video	O
game	O
live	O
streaming	O
due	O
to	O
its	O
ability	O
to	O
handle	O
additional	O
sources	O
like	O
cameras	O
and	O
microphones	O
.	O
</s>
<s>
Proprietary	O
software	O
programs	O
of	O
note	O
include	O
Screencast-O-Matic	O
,	O
CloudApp	B-Protocol
,	O
and	O
Camtasia	B-Protocol
.	O
</s>
<s>
An	O
alternative	O
solution	O
for	O
capturing	O
a	O
screencast	B-Protocol
is	O
the	O
use	O
of	O
a	O
hardware	O
RGB	O
or	O
DVI	B-Protocol
frame	B-Device
grabber	I-Device
card	O
.	O
</s>
<s>
The	O
films	O
Unfriended	O
,	O
Unfriended	O
:	O
Dark	O
Web	O
,	O
and	O
Searching	O
contain	O
screencasts	B-Protocol
that	O
were	O
simulated	O
for	O
the	O
purposes	O
of	O
the	O
film	O
.	O
</s>
