SEE/Class 10 Computer Science Examination Paper 2075 

SEE/Class 10 Computer Science Examination Paper 2075

SEE Examination 2075

Computer Science

Group “A”

Computer Fundamental [22 marks]

 

1. Answer the following questions. (2x5=10)

a.      Write any two features of Guided media.

b.      Write any four advantages of internet.

c.       What is multimedia?

d.      How password secure the data?

e.      Write any two preventive measures to protect the computer from a computer virus?

 

2. a. Perform the conversion as per the direction. (1x2=2)

      i. (217)₁₀ into Binary

      ii. (39C)₁₆ into Decimal

      

    b. Perform the binary Calculation. (1x2=2)

i.     1011 × 11                         

ii. 110111 – 11001

 

    

3. Match the following. (0.5x4=2)

Group A          Group B

a.      HUB            Communication media

b.      TCP/IP        network connecting device

c.       UTP             Windows NT

d.      NOS            protocol

computer security

 

                                       

4. Choose the best answer of the following. (0.5x4=2)

a. The physical structure of a computer network.

          i. protocol              ii. Topology          iii. MAN       iv. cabling

b. Which is not an internet service?

          i. E-commerce    ii. NIC    iii. WWW      iv. E-Mail

c. Which is not a computer virus?

i. Kaspersky          ii. message carrying virus          

iii. Boot sector virus iv. program virus

d. A topology where all the computers are connected to a central connecting device, HUB or switch.

          i. BUS       ii. STAR                iii. TREE               iv. RING

 

5. Write the appropriate technical terms of the following. (0.5x4=2)

a.   A powerful computer which controls and coordinates all computers connected in a network.  

b.   The volume of bits that can be transferred per second through the communication media.    

c.    Making a duplicate copy of a file or data.    

d.   Illegal activities committed through the use of computers and the Internet. 

 

6. Write the full form. (0.5x4=2)

     STP             

     PDF            

     NIC             

     IRC             

 

Group B Database (10 Marks)

 

7. Answer the following questions. (2x3=6)

a. Write any two advantages of Database Management System.

b. What is Primary key?

c. Write any two functions of the form.

 

8. State whether the following statements are true or false. (0.5x4=2)

a.   The size of the currency data type is 10 Bytes.

b.   Indexing is the process of arranging the records in ascending or descending order. 

c.    Validation rule will limit data entry. 

d.   Select Query is used to retrieve and display records from the selected table. 

 

9. Match the following. (0.5x4=2)

Group A                      Group B

a.   Yes/No                       4 bytes

b.   Long Integer             Access Object

c.    OLE                             Picture

d.   Report                        1 bit

                                     8 bytes

 

 

Group C Programming (18 Marks)

10. Answer the following questions. (1x3=3)

a. Define logical operators.

b. Write any two advantages of structure programming.

c. Write the function of the following command/statements:

i.     FILES

ii.    WRITE

 

11. Re-Write the given program after correcting the bugs. (0.5x4=2)

DECLARE FUNCTION reverse$(N$)

INPUT “Any String”; N$

X$ = reverse$(N$)

PRINT N$

END

FUNCTION reverse(N$)

L = LEN$(N$)

FOR X = L to 1 STEP – 1

A$ = MID$(N$, X, I)

B$ = B$ + A$

NEXT X

B$ = reverse$(N$)

END FUNCTION

 

12. Write the output of the following program. (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

 

13. Study the following program and answer the given questions. (1x2=2)

DECLARE SUB SUM (N)

N = 5

CALL SUM (N)

END

SUB SUM (N)

FOR X = 1 TO N

S =S + X

NEXT X

PRINT S

END SUB

 

a.   In the above program, how many times does the FOR ………..NEXT loop executes?

b.   Write the name of the procedure used in the above program.

 

14 a. Write a program to calculate the average of three numbers using the FUNCTION procedure.  (3)

b. Write a program to print the total number of vowel alphabets present in the given word using the SUB procedure. (3)

c. A data file “STAFF.dat” has stored records of few employees with EMPID, First name, last name, post, and salary. Write a program to display all the records of the employees whose salary is more than 40,000. (3)

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