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Run
previous
between
different applications.
a.
Start
an
application
on
a
file
then
Quit.
b.
Start
another
application
on a
different
file
then perform
a
Run
previous.
c.
Perform
run previous
64
times.
Each
time run previous
is
performed,
wait
until
the
screen
is
redrawn
before performing
the
next.
d.
Repeat
the
above
steps
for
as
many
application
combinations as
time allows
for.
Also
try
to
run
different
applications
on
the
same
file
and
switch
between
the two.
Modify
the
data
with
one
application
then switch
back
to
the previous.
Programs
of
special
concern
are
TELCOM,
BASIC
and
WORD.
Try
opening
the
COM
port
in
BASIC
and
then connecting
to
the
same
port with
TELCOM.
Also
printing to
COM
is
possible
if
you have a
serial printer.
Try
opening
COM
in
BASIC
and
then switching
between
BASIC
and an
application that
is
printing to
COM.
Another area
is
running
two
invocations
of
FILE
on
the
same
database.
Try
Run
previous
in
various low
and
memory
conditions.
Quit (Control
F10)
Quit
from
all
applications
from
menu
options
and
then
return
to
the applications using both run
previous
and
RUN
to
reinvoke them.
Pay
special
attention to Quitting with
little
or
no
available
system
memory.
Quit
from pop-ups^ This should
return
to
the
application
that
the
pop-up
was
invoked
from.
Also
pay
special attention
to
Quitting with
little
or
no
available
system
memory.
Disk
I/O
Try
printing to
the disk
with
various
applications.
Break
in
mid
print
Quit
in
mid
print
Run
previous
in
mid
print
Try
Merging from
a
disk
file
with
Word
or Loading, Chaining,
Running, Merging from a
disk
file
with
BASIC.
Using
a
disk with physical flaws
try
to
read from
it
and
write to
it.
187
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