Find Output with Dry Run Solutions - SEE COMPUTER SCIENCE 2081

 

Write down the output of the given program and show them in dry run table

SOLVED Internal PABSON 2081

DECLARE SUB SERI ()

CLS

CALL SERI

END

SUB SERI

               A$ = "SCIENCE"

               B = LEN (A$)

               FOR I = 1 TO 4

                              PRINT TAB(I); MID$(A$, I, B)

                              B =B-2

               NEXT I

END SUB

ANS:

DRY RUN TABLE:

A$	B=LEN(A$)	I=1 TO 4	PRINT TAB(I); MID$(A$, I, B)	B=B-2
SCIENCE	7	1	SCIENCE	7-2=5
	5	2	CIENC	5-2=3
	3	3	IEN	3-2=1
	1	4	E	1-2=-1
	-1	5	LOOP EXITS

The output of the program is:

SCIENCE

   CIENC

     IEN

      E

SOLVED National PABSON 2081

DECLARE SUB SERIES ()

CALL SERIES

END

SUB SERIES

N$ = “*”

FOR 1 TO 5

FOR J=1 TO I

PRINT N$;

NEXT J

PRINT

NEXT I

END SUB

ANS:

Dry Run Table:

N$	FOR 1 TO 5	J=1 TO I	PRINT N$
*	1 TO 5 Yes	1 TO 1 Yes	*
		2 TO 1 No
	2 TO 5 Yes	1 TO 2 Yes	*
		2 TO 2 Yes	**
		3 TO 2 No
	3 TO 5 Yes	1 TO 3 Yes	*
		2 TO 3 Yes	**
		3 TO 3 Yes	***
		4 TO 3 No
	4 TO 5 Yes	1 TO 4 Yes	*
		2 TO 4 Yes	**
		3 TO 4 Yes	***
		4 TO 4 Yes	****
		5 TO 4 No
	5 TO 5 Yes	1 TO 5 Yes	*
		2 TO 5 Yes	**
		3 TO 5 Yes	***
		4 TO 5 Yes	****
		5 TO 5 Yes	*****
		6 TO 5 No
	6 TO 5 No Loop Exits

The output of the Program is:

*

**

***

****

*****

SOLVED SEDIPS 2081

DECLARE SUB DISPLAY ()

CLS

CALL DISPLAY

END

SUB DISPLAY

LET N = 100

DO UNTIL N < 50

R=N MOD 9+3

IF R MOD 4=0 THEN GOTO BOTTOM

PRINT R

BOTTOM:

N=N-10

LOOP

END SUB

 

ANS:

Dry Run Table:

N	N < 50	R=N MOD 9+3	R MOD 4=0?	NO PRINT R	YES N=N-10
100	100<50 No	100 MOD 9 + 3 1+3=4	4 MOD 4=0? 0=0 YES		100-10=90
90	90<50 No	90 MOD 9 +3 0+3=3	3 MOD 4=0? 3=0 No	3	90-10=80
80	80<50 No	80 MOD 9 +3 8+3=11	11 MOD 4 =0? 3=0?nO	11	80-10=70
70	70<50 No	70 MOD 9 +3 7+3=10	10 MOD 4=0? 2=0?No	10	70-10=60
60	60<50 No	60 MOD 9 + 3 6+3=9	9 MOD 4=0? 1=0 No	9	60-10=50
50	50<50 No	50 MOD 9 +3 5+3=8	8 MOD 4 =0? 0=0 YES		50-10=40
40	40<50 YES LOOP EXITS

The output of the program is:

3

11

10

9

 

SOLVED 2079 GP

DECLARE SUB Result (C$)

C$= “COMPUTER"

CALL Result (C$)

END

SUB Result (C$)

FOR C=1 TO LEN(C$) STEP 2

M$=MIDS (C$, C,1)

N$=N$+MS

NEXT C

PRINT N$

ENF SUB

ANS:

Dry Run Table:

C$	FOR C=1 To LEN(C$) STEP 2	MS=MID$(C$, C,1)	N$=N$+M$	PRINT N$
COMPUTER	1 to 8 yes	MID$(COMPUTER,1,1) =C	C
	3 to 8 yes	MID$(COMPUTER,3,1) =M	C+M=CM
	5 to 8 yes	MID$(COMPUTER,5,1) =U	CM+U=CMU
	7 to 8 yes	MID$(COMPUTER,7,1) =E	CMU+E=CMUE
	9 to 8 no (Loop exits)			CMUE

The output of the program is:

CMUE 

Set 8: SOLVED PABSON 2078

DECLARE SUB DISPLAY (A)

CLS

A= 3

CALL DISPLAY (A)

END

SUB DISPLAY (A)

FOR X = 1 TO 6

PRINT A;

IF A MOD 2 = 0 THEN

A=A/2

ELSE

A= (A*3) +1

END IF

NEXT X

END SUB

 ANS:

Dry Run Table:

A	X=1 TO 6	PRINT A;	IS A MOD 2=0?	Yes (A=A/2)	No(A=A*3+1)
3	1 To 6 Yes	3	3 MOD 2=0 1=0 NO		3*3+1=10
10	2 To 6 Yes	10	10 MOD 2=0 0=0 YES	10/2=5
5	3 To 6 Yes	5	5 MOD 2=0 1=0 NO		5*3+1=16
16	4 To 6 Yes	16	16 MOD 2=0 0=0 YES	16/2=8
8	5 To 6	8	8 MOD 2=0 0=0 YES	8/2=4
4	6 To 6	4	4 MOD 2=0 0=0 YES	4/2=2
2	7 To 7 No	Loop terminates

The output of the program is:

3   10   5   16   8   4 

Set 7: SOLVED PABSON 2079

DECLARE SUB SERIES ()

CLS

CALL SERIES

END

SUB SERIES ()

X=1

Y=2

FOR P 1 TO 10

PRINT X:

X=X+Y

Y=Y+1

NEXT P

END SUB

 ANS:

Dry Run Table:

X	Y	P=1 TO 10	PRINT X:	X=X+Y	Y=Y+1
1	2	1 TO 10 Yes	1	1+2=3	2+1=3
3	3	2 TO 10 Yes	3	3+3=6	3+1=4
6	4	3 TO 10 Yes	6	6+4=10	4+1=5
10	5	4 TO 10 Yes	10	10+5=15	5+1=6
15	6	5 TO 10 Yes	15	15+6=21	6+1=7
21	7	6 TO 10 Yes	21	21+7=28	7+1=8
28	8	7 TO 10 Yes	28	28+8=36	8+1=9
36	9	8 TO 10 Yes	36	36+9=45	9+1=10
45	10	9 TO 10 Yes	45	45+10=55	10+1=11
55	11	10 TO 10 Yes	55	55+11=66	11+1=12
66	12	11 TO 10 No Loop Exits

The output of the program is:

1   3   6   10   15   21   28   26   45   55

 Set 6: SOLVED SOS 2080

DECLARE SUB SHOW(A)

CLS

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

 ANS:

Dry Run Table:

N	A	B=A MOD 6+3	IS B MOD 4=0?	PRINT B;	A=A-10	LOOP WHILE A>=50
87	87	87 MOD 6+3 3+3=6	6 MOD 4=0? 2=0? NO	6	87-10=77	77>=50 YES
	77	77 MOD 6+3 5+3=8	8 MOD 4=0? 0=0? YES	-	77-10=67	67>=50 YES
	67	67 MOD 6+3 1+3=4	4 MOD 4=0? 0=0? YES	-	67-10=57	57>= 50 YES
	57	57 MOD 6+3 3+3=6	6 MOD 4=0? 2=0? NO	6	57-10=47	47>=50 NO (LOOP EXITS)

The output of the program is:

6    6

Set 5: SOLVED PABSON 2080(Karnali/Sudurpaschim)

DECLARE SUB Show ()

CLS

CALL Show

END

SUB Show

C=3

B=2

FOR I = 2 TO 8 STEP 2

PRINT C;

SWAP B, C

B = C + 1

NEXT I

END SUB

 ANS:

Dry Run Table:

C	B	I	FOR I = 2 TO 8 STEP 2	PRINT C	SWAP B, C	B = C + 1
3	2	2	YES	3	B = 3, C = 2	B = 2 + 1 = 3
2	3	4	YES	2	B = 2, C = 3	B = 3 + 1 = 4
3	4	6	YES	3	B = 3, C = 4	B = 4 + 1 = 5
4	5	8	YES	4	B = 4, C = 5	B = 5 + 1 = 6
5	6	10	NO (Loop Exits)	-	-	-

The output of the program is:

3   2  3   4

Set 4: SOLVED PABSON 2080 (Gandaki)

DECLARE SUB DTB (N)

CLS
N = 5126

CALL DTB (N)

END

SUB DTB (N)

WHILE N < > 0

R = N MOD 10

S = S + R

N = N \ 10

WEND

PRINT S;

END SUB

 ANS:

Dry Run Table:

N	WHILE N <> 0	R = N MOD 10	S = S + R	N = N \ 10	Print S
5126	YES	5126 MOD 10 = 6	S = 0 + 6 = 6	5126 \ 10 = 512
512	YES	512 MOD 10 = 2	S = 6 + 2 = 8	512 \ 10 = 51
51	YES	51 MOD 10 = 1	S = 8 + 1 = 9	51 \ 10 = 5
5	YES	5 MOD 10 = 5	S = 9 + 5 = 14	5 \ 10 = 0
0	NO (Loop Exits)	-	-	-	14

The output of the program is:

14

 Set 3: SOLVED PABSON 2080 (Bagmati) 

DECLARE SUB show ()

CLS

CALL show

END

SUB show

FOR I = 1 TO 7 STEP 3

S = S + I ^ 3

NEXT I

PRINT S

END SUB

ANS:

Dry Run Table:

I	FOR I = 1 TO 7 STEP 3	I ^ 3	S = S + I ^ 3	I = I + 3	Print S
1	YES	1 ^ 3 = 1	0 + 1 = 1	I = 1 + 3 = 4
4	YES	4 ^ 3 = 64	1 + 64 = 65	I = 4 + 3 = 7
7	YES	7 ^ 3 = 343	65 + 343 = 408	I = 7 + 3 = 10
10	NO (Loop Exits)	-	-	-	408

The output of the program is:

408

 Set 2: SOLVED PABSON 2080 (MADHESH)

DECLARE SUB SERIES ()

CLS

CALL SERIES

END

SUB SERIES

A=4

B=5

PRINT A

PRINT B

FOR 1=1 to 5

C=A + B

PRINT C

A=B

B=C

NEXT I

END SUB

ANS:

Dry Run Table:

A	B	Print A	Print B	I	FOR I = 1 TO 5	C = A + B	Print C	A = B	B = C
4	5	4	5	-	-	-	-	-	-
4	5	-	-	1	YES	4 + 5 = 9	9	5	9
5	9	-	-	2	YES	5 + 9 = 14	14	9	14
9	14	-	-	3	YES	9 + 14 = 23	23	14	23
14	23	-	-	4	YES	14 + 23 = 37	37	23	37
23	37	-	-	5	YES	23 + 37 = 60	60	37	60
37	60	-	-	6	NO (Loop Exits)	-	-	-	-

The output of the program is:

4

5

9

14

23

37

60

 Set 1: SOLVED PABSON 2080 (KOSHI) 

DECLARE FUNCTION PRE(A)

CLS

A=12345

S=PRE(A)

PRINT S

END

FUNCTION PRE(A)

WHILE A < >0

R = A MOD 10

S=S+R

A=A\10

WEND

PRE=S

END FUNCTION

ANS:

Dry Run Table:

A	WHILE A <> 0	R = A MOD 10	S = S + R	A = A \ 10	Print S
12345	YES	12345 MOD 10 = 5	S = 0 + 5 = 5	12345 \ 10 = 1234
1234	YES	1234 MOD 10 = 4	S = 5 + 4 = 9	1234 \ 10 = 123
123	YES	123 MOD 10 = 3	S = 9 + 3 = 12	123 \ 10 = 12
12	YES	12 MOD 10 = 2	S = 12 + 2 = 14	12 \ 10 = 1
1	YES	1 MOD 10 = 1	S = 14 + 1 = 15	1 \ 10 = 0
0	NO (Loop Exits)	-	-	-	15

The output of the program is:

15

(Rexam 2079)

DECLARE FUNCTION Series (N)

CLS

A=2

PRINT "Sum of the series"; Series (A)

END

FUNCTION Series (N)

Sum=0

FOR J = 1 TO 4

Sum=Sum + N

N=N+3

NEXT J

Series= Sum

END FUNCTION

ANS:

Dry Run Table:

A	N	Sum	FOR J = 1 TO 4	Sum = Sum + N	N = N + 3	Series=Sum	PRINT Series
2	2	0	1 TO 4 YES	0 + 2 = 2	2 + 3 = 5	-
	5	2	2 TO 4 YES	2 + 5 = 7	5 + 3 = 8	-
	8	7	3 TO 4 YES	7 + 8 = 15	8 + 3 = 11	-
	11	15	4 TO 4 YES	15 + 11 = 26	11 + 3 = 14	-
	14	26	5 TO 4 NO (Loop Exits)	-	-	26	Sum of the series 26

The output of the program is:

Sum of the series 26

(2080)

DECLARE FUNCTION SQN (N)

CLS

S=0

FOR L=1 TO 3

READ NUM

S=S+SQN (NUM)

NEXT L

PRINT "Sum of square"; S

DATA 1, 4, 5

END

FUNCTION SQN (N)

SQN = N^2

END FUNCTION

ANS:

Dry Run Table:

S	FOR L = 1 TO 3	READ NUM (DATA)	SQN (N) = N^2	S = S + SQN (NUM)	Print S
0	1 TO 3 YES	1	1^2 = 1	0 + 1 = 1	-
1	2 TO 3 YES	4	4^2 = 16	1 + 16 = 17	-
17	3 TO 3 YES	5	5^2 = 25	17 + 25 = 42	-
42	4 TO 3 NO (Loop Exits)	-	-	-	Sum of square: 42

The output of the program is:

Sum of square: 42

 SOLVED 2079(2078 Similar Question)

DECLARE SUB Series(A)

CLS
A=20

CALL Series(A)

END

SUB Series(A)

FOR K=1 to 5

PRINT A;

A=A+10

NEXT K

END SUB

ANS:

Dry Run Table:

A	FOR K = 1 TO 5	PRINT A	A = A + 10
20	K = 1 TO 5 YES	20	20 + 10 = 30
30	K = 2 TO 5 YES	30	30 + 10 = 40
40	K = 3 TO 5 YES	40	40 + 10 = 50
50	K = 4 TO 5 YES	50	50 + 10 = 60
60	K = 5 TO 5 YES	60	60 + 10 = 70
70	NO (Loop Exits)	-	-

The output of the program is:

20  30  40  50  60