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Pascal 1 Practice Quiz Smith Answers 9/19/2013
Names:_____________________________________
I.
Matching
a)__6_ writeln():
1) Doing a problem by hand so you understand what to do.
b) _11__ readln();
2) A decision construct used when you want to a chunk of
code only when something is true..
c) _8__ for..do
3) The section of a program where you declare variables.
d) _2__ if
4) Writing out, in English, instructions on HOW you will
solve the problem.
e) _9__ :=
5) Testing your pseudo-code or code.
f) _3__ VAR
6) A command used to write information on the screen.
g) _12__ reserved word 7) Multiply
h) _10__ CONST
8) A loop used to repeat something a set number of times.
i) _1__ hands-on
9) ‘is assigned the value of’…
j) _4__ pseudo-code
10) A section of the program where constants are declared.
k) _5__ dry run
11) A command used to get information from the user.
l) _13__ code
12) A word that has special meaning in Pascal and cannot
be used as a variable name.
m) _7__ *
13) Instructions written in Pascal
n) _15__ integer
14) Square root
o) _17__ real
15) A type of variable that stores numbers without a
decimal point.
p) _16__ sqr()
16) Square
q) _14__ sqrt()
17) A type of variable that stores numbers with a decimal
point.
III.
Math: Translate the following into Pascal. Assume each letter is a separate variable.
1)
2)
3)
4)
2x + 5y
2*x + 5*y
3a(b- 12)
3*a*(b-12_
2
5x – 4x + 3
5*sqr(x) – 4 *x + 3
a + (18cd – 6)
(a + sqrt(18*c*d – 6))/(5*x-3)
5x – 3
Evaluate the following
1) 2*3-sqr(4)
-10
2) 5*(6*4 – 3*sqrt(25-9)) 60
3) (5<6)
TRUE
4) (4>2) or (6<(8-2))
TRUE
IV.
Dry run. (write out the variable boxes, the screen and how they change when the
program is run.)
program dryrunfun;
var
a,b, c:integer;
begin
a:= 4; b:= 5; c:= 3;
writeln(a,b,c);
if (b <(a+c)) then
a:= a*3
else
a:= a – c;
writeln(a,b,c);
end.
.
A
4
12
b
5
c
3
Screen
453
12 5 3
Program TeenyBopper;
Var
age:integer;
Begin
Writeln(‘Please your age’);
Readln(age);
If (age<20) and (age>=13) then
Writeln(‘You are a teenage’)
Else
Writeln(‘You are not a teenager.’);
End.