Radio Shack TRS-80 User Manual page 226

For a
sample run of the
program, assume
it is
the
first
day of the
month.
Enter plausible
temperature and humidity figures.
Continue running the
program
until
you've got a
cumu-
lative listing
for several days.
Getting the
feel for
data
files?
Suggestions for Further Use of Data
Files
1
.
Teaching/Testing. Write
a
program
that gives
a multiple-choice
test,
for
example,
a voca-
bulary
test.
Include ten questions.
The
program
should write the student's
name
and
all
ten responses
onto
a cassette
data
file.
Design the program so that
any
number
of students
may
take the
test
in
sequence. Include instructions
about
when
to
use the
RECORD,
PLAY
and
STOP
keys.
Write a grader
program
that uses
the data
file
created
above
to
read each
student's
name
and
responses, grade the test,
and
then read the
next
student's test.
Be
sure to leave
time
for the
teacher to
mark
down
the
names
and
grades in his or
her
little
black
book.
2.
Inventory. Write a
program
that sets
up
an array in
which
you
store
the following
infor-
mation about
a
group of
cars;
License
No. Engine
Size
Color
Code
Body
Style
The program should then
store
the array
in
a data
file.
W
7
rite
another
program which
1.
Asks
you which
car
you're
interested in
(you enter the license
number).
2.
Reads
the data
file
until
it
comes
to the correct license
number.
3. Prints
out
all
the
information
about
that particular
car.
(See
Chapter
21,
where
this
same
array
was
developed,)
M
224