SEE/Class 10 Computer Science Examination Paper 2074 

SEE/Class 10 Computer Science Examination Paper 2074

SEE Examination 2074

Computer Science

Group “A”

Computer Fundamental [22 marks]

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

a.   Define computer network.

b.   Define Internet.

c.    Write the importance of power protection device to protect the computer system.

d.   Write any two symptoms that can be seen when a computer is infected by computer virus.

e.   What is cybercrime? Give any two examples.

 

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

i.  (523)₈ into Binary  

ii.  (2074)₁₀ into hexadecimal.

    

b. Binary Calculation. (1x2=2)

 i.  110 x 101

  ii.111010 ÷ 110

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

Group A                                     Group B

a.   RJ 45 connector                  Duplicate copy

b.   Back up                               Multimedia

c.    Microphone                        Twisted pair cable

d.   Hub/switch                         Ring Topology

Star Topology

 

 

 

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

a. Which of the following is not a network protocol?

i. POP    ii. FTP     iii. TCP/IP     iv. NOS

b. Which of these software is used for photo editing?

i. MS-Excel    ii. Photoshop    iii. Power-Point     iv. MS-Word

c. Which device is used to connect multiple networks that uses the same protocol.

i. Bridge    ii. NIC     iii. Switch     iv. Gateway

d. Process of arranging the scattered files into a contiguous manner.

i. Scandisk     ii. Backup     iii. Defragmentation     iv. Debugging

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

a.   The physical layout of local area network.

b.   The business conducted through Internet.

c.    The law which controls the crime which is done with the help of computer and Internet.

d.   A computer or device which provides different services to other computers connected to the network.

 

6. Write the full forms of. (0.5x4=2)  

a.   SMTP         

b.   WAN            

c.    URL               

d.   VOIP           

 

Group B Database (10 Marks)

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

a.   Define Database.

b.   What is data redundancy? How can it be reduced in database?

c.    Mention any four data types that can be used in MS-Access.

8. Select the correct answer. (0.5x4=2)

a. Which of the following is not accepted by primary key?

i. Number    ii. Text    iii. Null value    iv. None

b. What is called rows in database table?

i. Field     ii. Record    iii. Form    iv. None

c. Which data type consumes the least storage space?

i. Text     ii. Yes/No    iii. OLE object     iv. Memo

d. Which is the default data type of MS-Access?

i. Memo     ii. Number    iii. Text     iv. Auto number

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

Group A          Group B

a.   Data            Input, view, edit data

b.   Form           Formatted output

c.    Report         Collection of raw facts

d.   Table           Question to the database

Stores data in database

 

Group C Programming (18 Marks)

10. Answer the following questions. (3x1=3)

a.   What is formal parameter?

b.   List any two data types used in C programming language.

c.    Write the function of KILL and CLOSE statements.

 

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

REM TO find the factorial of a given number.

DECLARE FUNCTION FACTO (N$)

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

 

12. Write the output of the following program. (2)

DECLARE SUB Display (T$)

CLS

T$ = "COMPUTER"

CALL Display (T$)

END

SUB Display (T$)

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

$ = MID$ (T$, C, 1)

PRINT D$;

NEXT C

END SUB

 

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

DECLARE   FUNCTION   SUM (N)

CLS

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

S= T + R

N = N\10

WEND

SUM = T

END FUNCTION

a.   State the purpose of using variable S in line 4 in the above program.

b.   Write the use of MOD in the above program.

14. a. Write a program to calculate the area of a circle using Sub..... End Sub. (3)

b.   Write a program using FUNCTION... END FUNCTION to count the number of words in a sentence. (3)

c.       Write a program to store Roll no., Name, Class, and Address of any five students. (3)

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