Joint Examination Board question of Computer year 2066

Joint Examination Board
PABSON, Bhaktapur
Pre-send up Examination - 2066
Class: X F.M: 50
Subject: Computer Time: 1 hr 30mins. P.M: 20

Examinees are required to give their answers in their own words as far as possible. Priority will be given to creative answers in marking rather than the rot learning.

Attempt all the questions:

Group A

Computer Fundamental [22 Marks]

1. Answer the following questions: [5x2=10]
a. Define LAN topology and its type with suitable diagram.
b. Write down importance of protocol and give any four examples of it.
c. Video game is incomplete in the absence of multimedia technology. Justify this statement.
d. Write down any two measures of hardware security and data security?
e. How computer virus spread from one computer to another? Write any two preventive measures of it.

2. a. Convert as indicated. [2x1=2]

a. (AFC)16=(?)8 b. (1010)10=(?)2

b. Perform binary calculation. [2x1=2]
a. 1100-1011+1011 b. 1011x111101



3. Match the following pairs: [4x0.5=2]
Infrared Multimedia Application
Maya Protocol
STP Unguided Media
Gateway Connects dissimilar network
Guided Media


4. Select the correct answer: [4x0.5=2]

a. In which communication media does data travel in form of light signal?
i. Microwave ii. Satellite iii. Fiber Optic iv. UTP

b. A FM broadcasting is an example of….
i. Half Duplex ii. Full Duplex iii. Simplex iv. None

c. Which of the following is not web browser?
i. Chrome ii. Safari iii. Opera iv. Microsoft

d. Which of the following is not Anti-virus Software?
i. Kaspersky ii. Avast iii. Comodo iv. Mozzila

5. Give Technical term of following: [4x0.5=2]

a. A program that allows to log into remote compute.
b. An artificial environment created by using multimedia technology.
c. A program that controls the functions of hardware device.
d. Separate copy of data and software for future use.


6. Give Full Form: [4x0.5=2]

i. ISOC ii. WLAN iii. MUK iv. MBR

Group B

Database [10]

7. Answer the following questions: [3x2=6]
a. How data redundancy is controlled in MS-ACCESS? Explain.
b. Differentiate between Query and Filter in MS-ACCESS.
c. Define Form with its two uses.


8. Choose the correct answer: [4x0.5=2]

a. Default value of Text Data type is…..
i. 0 ii. 255 iii. 65,535 iv. 50
b. Extension of database file of MS-ACCESS is …
i. .doc ii. .mdb iii. .acc iv. .xls
c. Which is not DBMS?
i. FoxPro ii. 4th Dimension iii. Excel iv. Oracle
d. ……… is use to store data.
i. Query ii. Form iii. Table iv. Report

9. Match the following: [4x0.5=2]
Column A Column B
Primary Key To arrange data in proper order
Cell Yes/No Data Type
Marital Status Record
Sort Intersection of Row and Column
Unique Identifier

Group C
QBASIC Programming [18 Marks]

10 . Answer these questions: [3x1=3]
a. Write down importance of modular programming.
b. Define C keywords and identifiers?
c. Write down function of EOF() and KILL statements.


11. What will be output of following program? 2
DECLARE FUNCTION ABC(X)
CLS
FOR I=1 TO 8
READ N
Z=ABC(N)
S=S+Z
NEXT I
PRINT S
DATA 7, 22, 11, 34, 17, 52, 26, 13
END

FUNCTION ABC(X)
IF X MOD 2 < > 0 THEN ABC=X
END FUNCTION


12. Debug the following program. 2
REM to copy the data of “src.txt” to “dest.txt”
OPEN “SRC.TXT” FOR INPUT AS #1
OPEN “DEST.TXT” FOR OUTPUT AS #2
CLS
WHILE NOT EOF( )
INPUT #2, NAME$, ROLL, AGE
WRITE #1, NAME$, ROLL, AGE
CLOSE
END

13. Read the following program and answer the questions: 2
DECLARE SUB SERIES(A, B)
DECLARE FUNCTION SUM(P,Q)
COMMON SHARED N
INPUT “Enter First Term”;X
INPUT “Enter Second Term”;Y
INPUT “Enter Number of Terms to be generated”; N
CALL SERIES(X, Y)
END

SUB SERIES (A, B)
FOR I = 1 TO N
PRINT A
A=SUM(A,B)
NEXT I
END SUB

FUNCTION SUM (P,Q)
SUM=P+Q
END FUNCTION

a. What will the output if X=10, Y=8 and Z=5.

b. List out local variables and global variable in the above program.
14. a. Write a program using SUB procedure to reverse the given number without using string function. 3

b. Write a program using FUNCION procedure to check whether given number is Armstrong Number or not.. 3

c. A data file “std.rec” contains the name of the students, marks in three subject and total marks for n number of students. Write a program to display the data for only those students whose total marks is greater than 210 and less than 280.


Best of Luck!