SEE Model Question Set Computer Science

SEE Model Question Set 1

Computer Science

Time: 1.5hrs                                                    Full Marks:  50

                                                                                 Pass Marks: 16

‘Computer Fundamental’ (22marks)

Q1. Answer the following questions: (2*5=10)

a) Define star topology and write a reason why it is most popular.

b) What is a telnet? List any two services provided by internet.

c) What is a spam? Write a measure to get rid of it.

d) List any four requirements for multimedia system.

e) Define computer ethics and list any one.

Q2.i) Convert the following as instructed. (1*2=2)

a) (700)8 into decimal b) (A03)16 into binary

ii) Perform binary calculation:         (1*2=2)

a) 110 X 11 b) Divide 1110 by 11

Q3. Match the following:         (0.5*4=2)

Group A                                       Group B

a) Server                                         Internet

b) Web browser                               Main computer

c) LOS                                            Coax

d) BNC connector                           Microwave link

Q4. Tick the correct answer. (0.5*4=2)

a) Which is the network operating system?
i) Windows NT                      ii) Server                      iii) IPX iv) Ms-DOS

       b) Which of the following is an antivirus?
 i) MsAcess                            ii) NOD 32                  iii) Opera iv) TP-Link

       c) Which is not a software security?
 i) Password                          ii) Anti-virus                 iii) Insurance iv) Defragmentation

       d) The Cyber law of Nepal commenced on _____________    2061 B.S.
 i) Bhadra 28th ii) Bhadra 29th iii) Bhadra 30th iv) Bhadra 31st

 

Q5. Give the technical term for the followings: (0.5*4=2)

a) A small computer network based on unbounded media.

b) The first computer virus.

c) The number of bits that can be transferred per second over a given transmission medium.

d) A device where two different networks are linked together.

Q6. Write full forms of the followings: (0.5*4=2)

a) ATM b) HTTP c) JPEG d) PDF

 Database (10marks)

Q7. State whether the statements are true or false. (0.5*4=2)

a) Form is a source of table.

b) A record is also called tuple.

c) There is only one data type in Ms-Acess.

d) Reports are usually hardcopy output.

 Q8. Match the following:                                              (0.5*4=2)

        Group ‘A’ Group ‘B’

a) Currency field                                1 GB

b) YES/NO field                                 255 characters

c) OLE field                                      1 bit

d) Text field                                      1 MB

                                                         8 Bytes

        Q9. Answer the following questions. (2*3=6)

       a)Define DBMS with two examples.

       b) What is data redundancy? What eliminates it in DBMS?

       c) What is a query? How is filtering different from sorting?

‘Qbasic Programming’ (18marks)

Q10.
        a) Define Library function with an example. (1)

        b) Write two features of C programming.         (1)

Q11. Write the function of                                     (1) 

a) LINE INPUT #1 b) SGN (n)

Q12. Rewrite the program after debugging.                (2)

REM To store name and address in a sequential data file Student.txt if and only if his/her registration lies between  100 to 200.
OPEN “O”, “#2”, “Student.txt”
Enter “Input your registration number”;r
IF r>=100 OR r<=200 THEN
INPUT “Enter your name”;n$
INPUT “Enter your address”;a$
PRINT “Information stored”
CLOSE#1
WRITE #1, n$, a$
END IF
END

Q13. Study the program and answer the following questions. (2)

DECLARE FUNCTION Digit(n)
CLS
INPUT “Enter any number”;n
PRINT “Output”;Digit(n)
END
FUNCTION Digit(n)
N$= STR$(n)
FOR J = 1 to LEN(N$)
C$=MID$(N$,J,1)
D=VAL(C$)
Result =Result + D
NEXT J
Digit=Result
END FUNCTION

a) List any parameter used in the program.

b) Write any two local numeric variable used in the program.

c) What is the function of STR$ in the program?

d) What would be the output if input (n) is 11001?

Q14. Find the output of the following program.   (2)

DECLARE SUB A1(N())

DIM n(5)

CLS 

FOR X = 1 to 5 

READ N(X)

NEXT X

DATA 20,21,25,30,50

CALL A1(N())

END

SUB A1(N())

FOR x = 1 to 5 

IF N(X) MOD 2 = 0 THEN 

= D+ N(X)

NEXT X

PRINT “THE OUTPUT:”;D

END SUB

Q15. Write a program (3*3=9)

a) Using function procedure, if a man’s salary is Rs 1000 per month and it triples every next month. What is his salary in 18th month of his work.(Hint: tn=arn-1)

b) Using sub procedure to generate following pattern

6

66

666

6666

 66666

c) To add Name, Address and Roll field of 3 students in an existing sequential file Class.txt.