SEE class 10 Computer Science Model set

 

SEE class 10 Computer Science Model Set 5

Subject: Computer Science                                                 Full Marks: 50

Time: 1:30:00 hrs                                                                                         

Attempt ALL the questions.

Group –A [10×1=10]

Group- A [Very Short Answer Question: 10×1=10]

 

1. Write one sentence answer:          (6×1=6)

a)      What is intranet?

b)      Define AI.

c)      Which data type is used to store the picture/photo?

d)     List any two field property of MS-Access.

e)      What is module?

f)       Write any two data types of ‘C’ programming language.

 

2. Write technical term for the following:   (2×1=2)

a.       The arrangement of connections patterns of computer or nodes and other resources.

b.      The legal issues related to using of inter-networked information technology

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3.  Write the full forms of the following:                             (2×1=2)

a. ISDN           b. EFT

Group –B [12×2=24]

 

Group- B [Short Answer Question: 12×2=24]

4. Answer the following questions:                                      (9×2=18)

a)      List any two advantages and disadvantages of computer network.

b)      What is m-commerce? Write its two important services.

c)      What is IoT? Write any two importance of it.

d)     What is hardware security? List any two measures of software security.

e)      What is cyber crime? Give any four examples of it.

f)       What is Ms-Access? Write any two features of Ms-Access.

g)      Define a report? Write the importance of report in DBMS?

h)      Define a primary key. Write its importance in database.

i)        Define field and record.

 

5. Write the output of the following program. Show dry run.      (2)

DECLARE SUB series ( )

CALL series

END

SUB series

X = 1

FOR K = 1 TO 4

PRINT X;

X = X + K

NEXT K

END SUB

 

6. Re-write the given program after correcting the bugs:   (2)

DECLARE FUNCTION FACTO (N$)

REM to find factorial of a input number

CLS

INPUT "Enter a number" ; X

PRINT “The factorial is “; FACTO(N)

END

FUNCTION FACTO(N)

F=1

WHILE N=0

F=F*N

N=N-1

WEND

F=FACTO

END FUNCTION

 

7. Analyze the following program and answer the given questions: (2×1=2)

OPEN "EMP.DAT" FOR INPUT AS #1

DO

INPUT #1,N$,A$,S

IF UCASE$(A$) = "DHANGADHI" THEN

PRINT N$,A$,S

END IF

LOOP WHILE NOT EOF(1)

CLOSE #1

END

a) Why the INPUT #1,N$,A$,S statement is used in above program?

b) What happens if you delete “UCASE$ from the above program?

 

 

Group –C [4×4=16]

Group –C [Long Answer Questions 4×4=16]

 8.Convert / Calculate as per the instruction:         

     a) Convert the following as instructed.                          (2×1=2)

                    i.            (487)₁₀   into Octal Number

                  ii.            (B2C)₁₆ into Binary

 

b) Perform the following binary calculations.                    (2×1=2)

                    i.            (11011)₂ × (110)₂  - (1101)₂

                  ii.            Divide (10111)­₂ by (10)₂

 

9. WAP in QBASIC to input radius of circle and calculate its area using FUNCTION…END FUNCTION and circumference using SUB…END SUB [Area=π×r² and Circumference=2πr]                       4

 

10. A sequential data file called "Record.txt" has stored data under the field heading Roll No, Name, Gender, English, Nepali and Math’s and Computer. Write a program to display all the female students who pass in all subjects. [Note: Assume pass mark in each subjects is 40].     4

 

11. Write a program in ‘C’ language to display the smallest number among input three numbers.     4

OR

Write a program in ‘C’ Language to display first ten odd numbers.