SET 16 - Qbasic Analytical Program ----SEE Computer Science 2076 --- Practice Day 16 --- 27 Questions
1.
[SEE
2075 S2]
DECLARE
SUB TRIM (W$)
CLS
INPUT "Enter word" ; WO$
CALL TRIM (WO$)
END
SUB TRIM (WO$)
FOR I = 1 TO LEN (W$)
PRINT LEFT$ (W$, I)
NEXT I
END SUB
i. What will be
the output if input string is "SEE" in the above program?
Output
S
SE
SEE
ii. List the
real parameter used in the above program.
Ans: Real parameter is WO$
2.
[SQE 2075K]
DECLARE
SUB SERIES(A, R, N)
CLS
INPUT "ENTER
FIRST TERM"; X
INPUT "NUMBER OF TERMS TO BE GENERATED:"; Z
CALL SERIES (X,Y,Z)
END
SUB SERIES (A, R, N)
FOR I = 1 TO N
PRINT A
A=A*R
NEXT
END SUB
a. What will be the
output if the user input 3, 2 and 4 for variables X, Y and Z variables?
Ans: The output will be
3
6
12
24
b. What type of
parameter X, Y and Z are?
Ans: X,
Y and Z are actual parameters.
3.
[SLC 2069]
DECLARE SUB EXAM (N$)
INPUT
"Enter Word", WO$
CALL
EXAM (WO$)
END
SUB
EXAM(N$)
FOR
I=1 TO LEN (N$)
PRINT
RIGHT$(N$,1)
NEXT
I
END
SUB
i. Write the
names of two built in functions used in the program.
Ans:
The names of two built in functions are LEN and RIGHT$
ii. List the
real parameter and formal parameter in the program.
Ans: The real
parameter is WO$ and formal parameter is N$
4.
[SLC 2066]
DECLARE FUNCTION Num(N)
INPUT N
S=Num(N)
PRINT S
END
FUNCTION Num(N)
X=Int(17/N)
Y=15 MOD N
Num=X +Y
END FUNCTION
i.
Write the name of the function used in the above program.
Ans: The name of the function is
Num.
ii. List out the mathematical function (Library function) used in the above
program.
Ans: The library function is Int(
)
5.
[SLC 2065]
DECLARE
FUNCTION xyz(N)
FOR I = 1 TO 5
READ N
Z=xyz(N)
S=S+Z
NEXT I
PRINT S
DATA 10,13,15,4,6
END
FUNCTION xyz(N)
IF N MOD 2=0 THEN xyz=N
END FUNCTION
a) What is the name of the
function used in the above program?
Ans: The
name of the function is xyz
b) How many times the function will be called in the above program?
Ans: The
function will be called 5 times.
6.
[SLC 2065 S]
DECLARE FUNCTION Diff(A,B)
CLS
INPUT “Enter first number”;A
INPUT “Enter second number”;B
PRINT “The difference of the two
number=”;Diff(A,B)
END
FUNCTION Diff(A,B)
D=A-B
Diff=D
END FUNCTION
i.
What will be the output of the program if the user enters 200 as the first
number and 100 as the second number.
Ans: The output is:
The difference of the two
number=100
ii.
Will the program run if the first line (i.e. DECLARE…..) is deleted?
Ans: Yes, the program will run if
the first line (i.e. DECLARE…) is deleted.
7. [SEE
2073]
DECLARE FUNCTION Diff (A, B)
CLS
INPUT
"Enter first number" ; A
INPUT
"Enter second number" ; B
PRINT
"The difference" ; Diff (A, B)
END
FUNCTION
Diff (A, B)
difference
= A - B
Diff
= difference
END
FUNCTION.
a)
List all the numeric variables
used in the above program.
Ans: The numeric variables are A,
B and difference.
b)
List the local variables used in the
above program.
Ans: The local variables are A, B
and difference
8. [SEE
2067 S]
DECLARE
FUNCTION Prod(A,B)
CLS
INPUT
“Enter first number:”;A
INPUT
“Enter second number:”;B
PRINT
“the product of two number=”;Prod(A,B)
END
FUNCTION
Prod(A,B)
P=A*B
Prod=P
END
FUNCTION
a) List all the numerical
variables used in the program.
The numerical variables are A, B and P
b) List all the local variables
used in the program.
The local variable is P
9. [SEE
2073 U]
DECLARE FUNCTION SUM
(A, B)
INPUT A
INPUT B
X = SUM (A, B)
PRINT X
END
FUNCTION SUM (A, B)
S = A+B
SUM = S
END FUNCTION.
a) Write the name of local variable used in the above FUNCTION
procedure.
Local Variable: S
b) Write the Mathematical operator and Relation operator used in
above program.
Mathematical Operator
: +
Relational Operator
: =
10.
[SLC 2072]
DECLARE FUNCTION
Prod (N)
INPUT
"Any Number"; N
X
= Prod (N)
PRINT
x
END
FUNCTION
Prod (N)
F=
1
FOR
K = 1 TO N
F
= F * K
NEXT
K
Prod
= F
END
FUNCTION
a)
Write the name
of the user defined function used in above program.
Ans:
The name of the user defined function used in above program is Prod.
b)
Name
the loop in above program?
Ans: The name of loop is FOR….NEXT loop.
[SLC 2069 S]
11. DECLARE
FUNCTION CHK$(N)
N=57
PRINT “The number is”; CHK$(N)
END
FUNCTION
CHK$(N)
FOR I = 1 TO N
IF N MOD I = 0 THEN C=C+1
NEXT I
IF C>2 THEN
CHK$=”Composite”
ELSE
CHK$=”Prime”
END IF
END FUNCTION
i. Will the above program execute
if “DECLARE FUNCTION….” is deleted.
Ans:
Yes, the program will run if the first line (i.e. DECLARE…) is deleted.
ii. Why $ sign is used in the name of
the above function.
Ans:
$ sign is used in the name of the above function because the function returns
string value.
12. [SQE
2074K]
DECLARE
SUB PATTRA (N)
N
= 7
CALL
PATTRA(N)
END
SUB
PATTRA(N)
FOR
I = 1 to 5
PRINT
N
IF
N MOD 2 = 1 THEN
N
= (N*2) + 1
ELSE
N
= N / 2
END
IF
NEXT
I
END
SUB
a)
Write the output of the above program?
Ans: The output is:
7
15
31
63
127
b)
Write down the function of MOD in the above program.
Ans: The function of MOD operator is to find
the remainder.
13. [SLC 2068]
Declare
function count(N$)
Input
“Enter a word”; R$
C=
Count(R$)
Print
C
END
Function
count(N$)
For k=1 to LEN(n$)
X$=MID$(N$,K,1)
IF UCASE$(X$)=”A” then
X=X+1
End if
Next K
Count = X
End function
i) List any two library functions
used in the above program.
Ans:
Any two library functions are LEN( ) and MID$( ).
ii) Write the use of variable ‘C’ inline 3 [i.e. C=Count(R$)] given in the
above program.
Ans:
The use of variable ‘C’ is to store the value returned by the function count.
14.
[PMT
2075]
DECLARE SUB OT (N$)
N$ = "Computer Science"
CALL OT(N$)
END
SUB OT (N$)
B = LEN(N$)
c = 1
WHILE c <= B
m$ = MID$(N$, c, 1)
PRINT m$;
c = c + 2
WEND
END SUB
a. What is the value of B in the above program?
Ans: The value of B is 16 in the above program.
b. How many parameters are used in the above sub
procedure?
Ans: Only one parameter is used in the above program.
15. [SLC 2066 S]
DECLARE FUNCTION COUNT(A$)
Input “Enter a word”; W$
END
Function Count(A$)
B=LEN(A$)
C$=UCASE$(A$)
FOR I=1 TO B
E$=MID$(C$,I,1)
IF E$=”A” OR E$=”E” OR E$=”I” OR E$=”O”
OR E$=”U” THEN C=C+1
END IF
NEXT I
COUNT=C
END FUNCTION
i.
List the string Library functions used in the above program.
Ans: The string Library functions used in the
above program are LEN( ), UCASE$( ) and MID$( ).
ii. Write down the missing statements in
the main module to execute the program.
Ans: The missing statements in the main module
to execute the program is PRINT COUNT(W$)
16.
[SLC 2071]
DECLARE SUB Stde(N$U)
FOR Loop = 1 TO 5
READ NM$(Loop)
NEXT Loop
DATA RAMA, PRATIMA, PRASANT
DATA NISHA, RUDHRA
CALL Stde(NM$U)
END
SUB Stde(N$U)
PRINT “Name starting from P”
FOR J = 1 TO 5
C$=MID$(N$,(J),1,1)
IF C$=”P” THEN
PRINT N$(J)
END IF
NEXT J
END SUB
i.
List the library function used in the above program.
Ans: The library function used in
the above program is MID$( ).
ii.
List the conditional statement used in the above program.
Ans: The conditional statement
used in the above program is IF….THEN (i.e. IF C$ = “P” THEN).
17.
[SLC 2068 S]
DECLARE
SUB ABC(X,Y,Z)
FOR P=1 TO 3
READ A,B,C
CALL ABC(A,B,C)
NEXT P
DATA 5,4,3,2,1,6,7,8,4
END
SUB ABC(X,Y,Z)
T=X+Y+Z
IF T MOD 2 = 0 THEN
PRINT T
END IF
END SUB
i.
List any two variables used in the above program.
Ans: Any two variables used in
the above program are X and Y
ii.
How many times SUB-procedure will be called when program is executed?
Ans: The SUB procedure will be
called 3 times.
18.
[SLC 2071 S]
DECLARE FUNCTION JPT (N)
FOR
ctr = 1 TO 6
READ
N
J
= JPT (N)
Sum
= Sum + J
NEXT
ctr
PRINT
Sum
DATA
10, 20, 30, 40, 50, 60
END
FUNCTION
JPT (N)
IF
N MOD 2 = 0 THEN JPT = N
END
FUNCTION
a) What
is name to the function used in the above program?
Ans: The name of the
function used in the above program is JPT
b) How
many times the function will be executed in the above program?
Ans: The function will be executed six times.
19.
DECLARE
FUNCTION B(N)
LET N = 12345
PRINT "Sum of Digits
:"; B(N)
END
FUNCTION B(N)
WHILE N <> 0
R = N MOD 10
C = C+R
N = INT(N/10)
WEND
B = C
END FNCITON
i.
Write the variables used in the program with their type.
Ans: Numeric variables = N, R and
C
ii.
List out the different types of operators with their type used in the program.
Ans: Arithmetic Operator = MOD, +
and / :
Relational Operator = <
> and =
20.
[SEE
2074 U]
DECLARE FUNCTION
TEST (X)
X = 100
Z = TEST (X)
PRINT Z
END
FUNCTION TEST (X)
FOR I = 1 TO X
S = S +I
NEXT I
TEST = S
END FUNCTION.
a) How
many parameters are used in the above program?
1
parameter is used in above program.
b) How
many times does the statement S=S+I get executed in the above program.
The
statement S=S+I gets executed 100 times.
21.
[SLC 2067]
DECLARE
SUB SUM(N)
INPUT”ANY NUMBER”;N
CALL SUM(N)
END
SUB SUM(N)
S=0
WHILE N<>0
R=N MOD 10
S=S+R
N=N\10
WEND
PRINT “SUM”;S
END SUB
a) In which condition the statements within the
WHILE….WEND looping statement will not be executed?
Ans: When the condition is false (i.e. Value of N=0) ,
the statements within the WHILE….WEND looping statement will not be executed
b)
Will
the output be the same if we place “/” instead of”\” in the above program.
Ans: No. the output will not same if we place “/”
instead of”\” in the above program.
DECLARE FUNCTION
CELLS$(W$)
W$=”CYBER”
PRINT CELL$(W$)
END
FUNCTION CELL$
K=LEN(W$)
FOR I = K TO 1 STEP
-2
M$=M$+MID$(W$,I,1)
NEXT I
CELLS$=M$
END FUNCTION
a) Why
is $(dollar) sign followed in the function name?
Ans: $(dollar) sign followed in
the function name because the function returns string value.
b) What
will be the output of the program when it is executed?
Ans: The output is : CBR
c) What
will be the output of the program when FOR loop is changed as FOR I= 1 TO K
STEP 2?
Ans: The output is: RBC
d) What
is the name of sign “+” used in the program and what operation does it perform?
Ans: The name of sign “+” is
string operator and it is used to join the string i.e. string concatenation.
DECLARE
FUNCTION Sum(A,B)
INPUT
“Enter first number:”; A
INPUT
“Enter second number:”; B
PRINT “The sum of the two
number=”;Sum(A,B)
END
FUNCTION
SUM(A,B)
S=A+B
Sum=S
END
FUNCTION
a) List the
numerical variables used in the above program.
Ans: The numerical variables used
in the above program are S, A and B.
DECLARE
FUNCTION rev$ (N$)
INPUT "Any string"; N$
PRINT rev$ (N$)
END
FUNCTION
rev$ (N$)
FOR X = LEN (N$) to 1 STEP -1
A$=MID$ (N$, X, 1)
B$ = B$ + A$
NEXT X
rev$ = B$
END
FUNCTION
a.
List the library
function used in the above program.
Ans:
The library function used in the above program are LEN( ) and MID$( )
b.
What will be the
maximum value of X if the N$ is equal to "Computer".
Ans:
be the maximum value of X if the N$ is equal to "Computer" is 8.
DECLARE FUNCTION SUM (N)
INPUT "Enter any
number", N
S = SUM (N)
PRINT "The Sum of individual
digit is:", S
END
FUNCTION SUM (N)
WHILE N > 0
R = N MOD 10
T = T + R
N = N\10
WEND
SUM = T
END FUNCTION.
State
the purpose of using variable S in line 4 in above program.
Ans: The purpose of using
variable S in line 4 in above program is to store the value returned by the
function SUM.
Write the use of MOD in above
program.
Ans:
The use of MOD operator is to return the remainder.
26.
[SEE 2075 U]
DECLARE SUB TEST (N$ )
INPUT N$
CALL TEST ( N$ )
END
SUB TEST (N$ )
FOR P = 1 TO LEN ( N$ )
B$ = MID$ (N$, P, 1)
IF LCASE$ (B$) = “a” THEN
C = C + 1
END IF
NEXT P
PRINT C
END SUB
a) Write
the name of the sub procedure used in the above program.
Ans: The name of the sub procedure used in the
above program is TEST
b) Write
any two library functions used in the above program.
Ans: Any two library functions used in the
above program are MID$( ) and LEN( )
27. [MM
2076]
DECLARE FUNCTION SUM
(N)
FOR I = 1TO 4
READ N
DATA 15 ,25, 69
PRINT SUM (N)
NEXT
END
FUNCTION SUM(N)
S=0
WHILE N<>0
R=N MOD 10
S=S+R
N=INT (N\10)
WEND
SUM=S
END FUNCTION
a) How
many times the main function will be executed in the above program?
Ans: The main function will be executed 4
times.
b) List
the relational operators used in the above proram?
Ans: The relational operators used are : = and
< >
