SET 16 - Qbasic Analytical Program ----SEE Computer Science 2076 --- Practice Day 16 --- 25 Questions

SET 16 - Qbasic Analytical Program ----SEE Computer Science 2076  --- Practice Day 16  --- 27 Questions

Analytical Questions [27]

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.

22.   [SLC 2064]

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.

23.   [SLC 2070]

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.

b) 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

24.   [SLC 2070 S]

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.

25.   [SEE 2074]

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 < >