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.

SLC COMPUTER 2065 QUESTION

SLC COMPUTER 2065 QUESTION

SLC Examination-2065(2009)

            Computer Fundamental (22 marks)

1. Answer the following questions:

a. Define star topology with figure.

b. List out any four services of internet.

c. Define computer ethics.

d. Write down two measures of each to protect computer hardware and software.

e. What is anti-virus? Write down any two examples of anti-virus software.

2.a. Convert as instructed:

  i.) (228)₈ into decimal                       ii.) (CA3)₁₆ into binary

b. Perform binary calculation:

 i.) 11*11                                             ii.) Divide 1110 by 11

3. Match the following:
Group A                      Group B
a) Server                      i) HTTP
b) Node                       ii) Work station
c) Protocol                   iii) Main computer
d) Coaxial cable          iv)Repeater
                                    v) Communication Media

4. Select the best answer:
a)Which refers to the communication media?
i) UTP cable    ii) Fiber optic cable     iii) Satellite      iv) All of the above

b) Which is the correct Email ID?
i) Yahoo@ramesh       ii) Ramesh@yahoo.com          iii) @ramesh.yahoo.com         iv) None of the above

c) Route of virus transmission:
i) Pen drive      ii) Microphone             iii) Printer                    iv) Mouse

d) Main component of multimedia is:
i) Floppy disk              ii) Floppy drive                       iii) Sound card                        iv) Magnetic tape

5) Give appropriate technical terms:
a) A computer network limited within a room.
b) A program that destroys other program
c) Law regarding internet (or Legal issues of Cyber Space).
d) Buying and selling products and services online.

6. Write the full forms:

a) UPS             b) TCP             c) STP             d) NIC           

            Group B-  Database (10 marks)

7. Answer the following question:
a) What is database?

b) While designing table structure which data types are suitable to store information about teacher’s name, address, salary, and date of birth.

c) Write down any two advantages of Query.

8. Select the best answer:
a) …………… is not the data type of MS-Access.
i) Number        ii) Text             iii) Memo         iv) Form

b) …………… is the DBMS.
i) Fox-Pro        ii) MS-Excel                iii) Lotus-123  iv) All of the above

           
c) Primary key does not accept ……………
i) Text              ii) Number       iii) Null value  iv) None of the above

           
d) In MS-Access we enter data using ………….
i) Form                        ii) Table           iii) Report        iv) Both (i) &(ii)

           
9. Match the following:
Group A                      Group B
a) Query                      i)Printed format
b) Form                       ii) Stored data
c) Table                       iii) Allows view, edit, input data
d) Report                     iv) Extracts the selected record for view
                                    v) DBMS
                                               

Group C-Programming (18 marks)

10. a) Write down one difference between function and sub procedure.

b) List any two data type used in C language.

c) Write down the functions of:
            i) RMDIR      

            ii) NAME

11.Write the output of:
DECLARE SUB RESULT(A$)
A$ = "EDUCATION"
CALL RESULT(A$)                         
END

SUB RESULT (A$)
FOR C = 1 TO LEN(A$) STEP 2
 X$ = MID$(A$, C, 1)
PRINT X$
NEXT C
END SUB

12. Re-write the following program after correcting:
DECLARE FUNCTION SUM(a,b)
REM Program to sum given two numbers
Input ”Enter first number”; x
Input “Enter second number; y
PRINT SUM(a,b)
END

FUNCTION SUM(x,y)
SUM=a+b
END

13. Study the following program and answer the following question:
DECLARE FUNCTION xyz(N)
FOR I = 1 TO 5
READ N
Z=xyz(N)
S=S+Z
NEXT I
PRINT S
DATA 10,13,15,4,6
END

FUNCTION xyz(N)
IF N MOD 2=0 THEN xyz=N
END FUNCTION
a) What is the name of the function used in the above program?

b) How many times the function will be called in the above program?

14. a) Write a program to store records regarding the information of Book number, Book’s name and Writer’s name in a sequential data file called “Library.dat”.

b) Using FUNCTION……END FUNCTION, write a program to calculate distance travelled by a body. (Hint: s=ut+ (1/2) at²)

           

c) Using SUB……….END sub, write a program to print the following serial 9, 7, 5,……1