SLC COMPUTER 2066 QUESTION

SLC COMPUTER 2066 QUESTION

SLC Examination-2066(2010)

            Computer Fundamental (22 marks)

1. Answer the following question:
a) What is computer network?

b) What is internet?
c) Write any four preventive measures to protect computer system from virus infection.
d) Write any two software used for multimedia.
e) What is hardware security?

2.a. Convert as indicated:

  i.) (101)₂ into binary                ii.) (76)₈ into decimal

  b. Perform the binary calculation.

  i.) 10101 – 1011                    ii.) 110 x 11

3. Match the following:
Group A                                   Group B
a) T-connector             i)Network
b) Bridge                      ii) Power protection
c) CD-ROM                iii) Coaxial  cable
d) Spike Guard iv)Multimedia component
                                    v)Virus scanning

4. Select the best answer:
a) Which one is not a network topology?
i) Star               ii) Ring              iii) Client / Server                      iv) Bus

b) When was cyber law introduced in Nepal?
i) 2061 B.S.     ii) 2062 B.S.     iii) 2007 B.S.    iv) 2016 B.S.

c) Multimedia technology is used in ………
i) Education      ii) Business       iii) Health care  iv) All of the above

d) Boot sector virus infects ……..
i) System file     ii) Master boot record   iii) Application software            iv) Document file
           
5. Give appropriate technical terms:
a) Rules and format to accept and transfer data in the computer network.
b) Moral rules to be followed by computer and other professionals.

c)  Making an extra copy of data and software.
d) A virus that corrupts system files of operating system.

6. Write the full forms:

  a)WWW        b)MAN            c)OS                d)NIC 

            Group B-Database (10 marks)

7. Answer the following question:

a) What is DBMS? Write any two examples of DBMS software.

b) List any four data types used in MS-Access.
c) What is form? Write any two advantages of using form.

8. Select the best answer:
a) Date/Time occupies ……….  bytes of memory.
i) 4                   ii) 2                  iii) 8                  iv) 16

b) The extension of database file in MS-Access is……….
i) DBF  ii) DBM            iii) MDB           iv)DMB

c) The object of MS-Access that is used to generate hard copy of records.
i) Query            ii) Table            iii) Form           iv) Report

d) A ………….. Key uniquely identifies a record.
i) Primary         ii) Foreign         iii) Composite   iv) None          

9. Match the following:
Group A                       Group B
a) Default value i) 255 Characters
b) Fox Pro                   ii) Column Name
c) Text                         iii) DBMS
d) Field                        iv)Field Properties
                                    v) Search fast

            Group C-Programming

10. a) What is modular program?
b) Write any two advantages of Structured programming.
c) Write the function of following statement:
i) Files                        

ii) KILL

11. Debug the given program:
DECLARE SUB Fibonic()
REM *Fibonic series*
CALL SUB Fibonic
END

SUB Fibonic
a=1
b=1
FOR x=1 to 10
DISPLAY a;
a=a+b
b=a+b
END Fibonic

12. Write the output of the following program.
DECLARE SUB Series()
CALL Series
END                                                               

SUB Series
X=1
Y=1
FOR Z=1 TO 4
PRINT X;
Y=Y+1
X=X*10+Y
NEXT Z
END SUB

13. Read the given program and answer the following questions:
DECLARE FUNCTION Num(N)
INPUT N
S=Num(N)
PRINT S
END

FUNCTION Num(N)
X=Int(17/N)
Y=15 MOD N
Num=X +Y
END FUNCTION

i) Write the name of the function used in the above program.

ii) List out the mathematical function (Library function) used in the above program.

14. i) Write a program using Function Module to calculate and print the volume of a box.

ii) Write a program to declare SUB procedure to print only the vowels from a given word.

iii) Write a program to create a sequential data file “Employee.Dat” to store employees’ name, address, age, gender and salary.