Qbasic example programs output with dry run in table.

 

Write down the output of the given program. Show with dry run in table.

SEE (Supplementary/Upgrade) 2075 (2019)

DECLARE FUNCTION SUM (a) CLS a = 9 PRINT SUM (a) END FUNCTION SUM (a) FOR K = 1 TO a IF K MOD 2 = O THEN S = S + K END IF NEXT K SUM = S END FUNCTION

Answer:
Dry Run:

FOR K= 1 to a(9)	K MOD 2 = 0	S=S+K
1	No	-
2	Yes	S=0+2=2
3	No	-
4	Yes	S=2+4=6
5	No	-
6	Yes	S=6+6=12
7	No	-
8	Yes	S=12+8=20
9	No	-

∴ Final Output is : 20

2. Write down the output of the given program. Show with dry run in table.

SEE 2075 (2019) Province-2 

DECLARE FUNCTION SQD(N) CLS S = 0 FOR L = 1 TO 3 READ NUM S = S +SQD (NUM) NEXT L PRINT " Sum" ; S DATA 2,4,6 END FUNCTION SQD (N) SQD = N^2 END FUNCTION

Answer:
Dry Run:

L	N	SQD=N^2	S=S+SQD(NUM)
1	N=2	SQD=2*2=4	S=0+4=4
2	N=4	SQD=4*4=16	S=4+16=20
3	N=6	SQD=6*6=36	S=20+36=56

∴ Final Output is : Sum 56 

3. Write down the output of the given program. Show with dry run in table.

SEE 2075 (2019)

DECLARE SUB series ( ) CALL series END SUB series X = 1 FOR K = 1 TO 4 PRINT X; X = X + K NEXT K END SUB

Answer:
Dry Run:

X	K	Print X;	X=X+K
1	1	1	X=1+1=2
2	2	2	X=2+2=4
4	3	4	X=4+3=7
7	4	7	X=7+4=11

∴ Final Output is : 1 2 4 7

4. Write down the output of the given program. Show with dry run in table.

SEE 2074 (2018)

DECLARE SUB Display (T$) CLS T$ = "COMPUTER" CALL Display (T$) END SUB Display (T$) FOR C = 1 TO LEN (T$) STEP 2 D$ = MID$ (T$, C, 1) PRINT D$; NEXT C END SUB

5. Write down the output of the given program. Show with dry run in table.

DECLARE SUB PATTERN() CALL PATTERN END SUB PATTERN A=2 FOR I = 1 TO 5 PRINT A; A=A+2 NEXT I END SUB

Answer:
Dry Run:

A	FOR I= 1 to 5	Print A;	A=A+2
2	1	2	A=2+2=4
4	2	4	A=4+2=6
6	3	6	A=6+2=8
8	4	8	A=8+2=10
10	5	10	A=10+2=12

∴ Final Output is
2 4 6 8 10

6. Write down the output of the given program. Show with dry run in table.

DECLARE SUB PATTERN() CALL PATTERN END SUB PATTERN FOR I = 1 TO 5 FOR J= 1 TO I PRINT J; NEXT J PRINT NEXT I END SUB

Answer:
Dry Run:-

I	J= 1 to I	Print J;
1	1-1	1
2	1-2	12
3	1-3	123
4	1-4	1234
5	1-5	12345

∴Final output is  1 12 123 1234 12345

7. Write down the output of the given program. Show with dry run in table.

DECLARE SUB RESULT() CALL RESULT END SUB RESULT() N=5 C=1 WHILE C<=5 PRINT N N=N*10+5 C=C+1 WEND END SUB

Answer:
Dry Run:-

N	C	C<=5?	PRINT N	N=N*10+5	C=C+1
5	1	1<=5? YES	5	N=5*10+5 =55	C=1+1=2
55	2	2<=5? YES	55	N=55*10+5 =555	C=2+1=3
555	3	3<=5? YES	555	N=555*10+5 =5555	C=3+1=4
5555	4	4<=5? YES	5555	N=5555*10+5=55555	C=4+1=5
55555	5	5<=5? YES	55555	N=55555*10+5 =555555	C=5+1=6

∴Final Output is:  5 55 555 5555 55555

8. Write down the output of the given program. Show with dry run in table.

DECLARE SUB SHOW (A) N=87 CALL SHOW(N) END SUB SHOW(A) DO B = A MOD 6 + 3 IF B MOD 4 = 0 THEN GOTO AA PRINT B; AA: A=A-10 LOOP WHILE A >= 50 END SUB

Answer:
Dry Run:- N=87
A=87

B= A MOD 6 + 3	B MOD 4=0?	PRINT B;	A=A-10	A>=50?
B=87 MOD 6 + 3 =3+3=6	6 MOD 4 =0? (NO)	6	A=87-10=77	77>=50? Y
B=77 MOD 6 + 3  =5+3=8	8 MOD 4=0? YES	–	A=77-10=67	67>=50? Y
B=67 MOD 6  =1+3=4	4 MOD 4=0? YES	–	A=67-10=57	57>=50? Y
B=57 MOD 6  = 3+3=6	6 MOD 4=0? NO	6	A=57-10=47	47>=50? NO

∴Final Output is:
6   6

9. Write down the output of the given program. Show with dry run in table.

DECLARE SUB OUTPUT1 (A) CLS N=135 CALL OUTPUT1(N) END SUB OUTPUT1(A) DO WHILE A<>0 R= A MOD 10 T=T+R A=A\10 LOOP PRINT T END SUB

Answer:
Dry Run:
N=135
A=135

A<>0?	R= A MOD 10	T=T+R	A=A\10	PRINT T
135<>0? YES	R= 135 MOD 10=5	T=0+5=5	A=135\10=13	-
13<>0? YES	R=13 MOD 10=3	T=5+3=8	A=13\10=1	-
1<>0? YES	R= 1 MOD 10=1	T=8+1=9	A=0	-
0<>0? NO	-	-	-	9

∴Final Output is
9

10.Write down the output of the given program. Show with dry run in table.

DECLARE SUB REMINDER (R) CLS FOR I = 1 TO 4 READ X CALL REMINDER (X) NEXT I DATA 56,28,8,48 END SUB REMINDER (R) R1 = R MOD 4 R2 = R MOD 3 IF R1 = 0 AND R2<> 0 THEN PRINT R END IF END SUB

Answer:
Dry Run:

X	R	R1=R MOD 4	R2=R MOD 3	R1=0 AND R2<>0	PRINT R
56	56	R1 = 0	R2=2	YES	56
28	28	R1=0	R2=1	YES	28
8	8	R1=0	R2=2	YES	8
48	48	R1=0	R2=0	NO	-

∴Final output is:
56 28 8

11.Write down the output of the given program. Show with dry run in table.

DECLARE SUB show(abc$) CLS abc$ = "ZHTUOMENXSA" CALL show(abc$) END SUB show(abc$) Y = 48 FOR I = 1 TO 5 N = Y MOD 7 PRINT MID$(abc$,n,1); Y = Y - 1 NEXT I END SUB

Answer:
Dry Run:

Y	I	N=Y MOD 7	Print MID$(abc$,N,1);	Y=Y-1
48	1	6	M	47
47	2	5	O	46
46	3	4	U	45
45	4	3	T	44
44	5	2	H	43

∴Final output is: MOUTH

12.Write down the output of the given program. Show with dry run in table.

DECLARE SUB ABC() CALL ABC END SUB ABC N = 10 C = 1 D = 5 WHILE C<=5 PRINT N N = N + D C = C + 1 D = D + 5 WEND END SUB

Answer:
Dry Run:

N	C	WHILE N<=5?	Print N	N=N+D	C=C+1	D=D+5
10	1	YES	10	10+5=15	2	5+5=10
15	2	YES	15	15+10=25	3	10+5=15
25	3	YES	25	25+15=40	4	15+5=20
40	4	YES	40	40+20=60	5	20+5=25
60	5	YES	60	60+25=85	6	-

∴Final output is:  10 15 25 40 60

13.Write down the output of the given program. Show with dry run in table.

DECLARE SUB RESULT() CALL result END SUB result () FOR I = 1 TO 4 FOR J = 1 TO 5 PRINT (I + J) * 10 ; NEXT J PRINT NEXT I END SUB

Answer:
Dry Run:

Outer Loop	Inner Loop	OUTPUT
I	J	(I+J)*10
1	1-5	(1+1)*10=20  (1+2)*10=30 (1+3)*10=40  (1+4)*10=50  (1+5)*10=60
2	1-5	(2+1)*10=30  (2+2)*10=40 (2+3)*10=50  (2+4)*10=60  (2+5)*10=70
3	1-5	(3+1)*10=40  (3+2)*10=50 (3+3)*10=60  (3+4)*10=70  (3+5)*10=80
4	1-5	(4+1)*10=50  (4+2)*10=60 (4+3)*10=70  (4+4)*10=80  (4+5)*10=90

∴Final output is:  20 30 40 50 60 30 40 50 60 70 40 50 60 70 80 50 60 70 80 90

14. Write down the output of the given program. Show with dry run in table.

DECLARE FUNCTION NUMPRO(A AS INTEGER, B AS INTEGER) DIM N, M, S AS INTEGER CLS DATA 2,5 READ M%,N% S = NUMPRO(N%, M%) PRINT "Sum of all the values is";S END FUNCTION NUMPRO(A AS INTEGER,B AS INTEGER) S = 0 FOR C=1 TO A% PRINT C*B% S = S + C * B% NEXT C NUMPRO=S END FUNCTION

Answer:
Dry Run:
A=N=5
B=M=2

Counter Loop	OUTPUT	S
C	C*B%	S=S+C*B%
1	1*2=2	S=0+1*2=2
2	2*2=4	S=2+2*2=6
3	3*2=6	S=6+3*2=12
4	4*2=8	S=12+4*2=20
5	5*2=10	S=20+5*2=30

∴Final output is:  2 4 6 8 10 Sum of all the values is 30