by 1. Answer the following questions:
a. Define star topology with figure.
Ans: The topology in which all computers or the network devices are connected through a central device in the shape of star structure is called star topology.
Diagram of star topology
b. List out any four services of internet.
Ans: Any four services of internet are
i) E-mail (Electronic mail)
ii) FTP (File Transfer Protocol)
iii) IRC (internet Relay Chat)
iv) E-commerce
c. Define computer ethics.
Ans: Computer ethics is the set of moral principles or code of conducts that should be followed by computer user.Example. Donot use other’s personal gadget or computer without permission.
d. Write down two measures of each to protect computer hardware and software.
Ans: Any two hardware security measures are:
ii) Insurance Policy
ii) Power Regulator Device
Any two software security measures are:
i) Backup
ii) Password
e. What is anti-virus? Write down any two examples of anti-virus software.
Ans: Antivirus software is software designed to detect and remove virus from computer system to ensure virus free environment.
Any two examples of antivirus software are:
i) Kaspersky ii) NOD32
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
Answers
Group A Group B
a) Server Main computer
b) Node Work station
c) Protocol HTTP
d) Coaxial cable 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
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
Ramesh@yahoo.com
c) Route of virus transmission:
i) Pen drive ii) Microphone iii) Printer iv) Mouse
Pen drive
d) Main component of multimedia is:
i) Floppy disk ii) Floppy drive iii) Sound card iv) Magnetic tape
Sound card
5) Give appropriate technical terms:
a) A computer network limited within a room.
LAN (Local Area Network)
b) A program that destroys other program
Computer Virus
c) Law regarding internet (or Legal issues of Cyber Space).
Cyber Law
d) Buying and selling products and services online.
E-Commerce
6. Write the full forms:
a) UPS = Uninterruptible Power Supply
b) TCP Transmission Control Protocol
c) STP = Shielded Twisted Pair
d) NIC = Network Interface Card
Group B- Database (10 marks) 7. Answer the following question:
a) What is database?
Ans:Database is a collection of related and organized information that can be used for different purpose.
b) While designing table structure which data types are suitable to store information about teacher’s name, address, salary, and date of birth.
While designing table structure the data types are suitable to store information about
teacher’s name = Text
Address = Memo
Salary = currency
Date of birth = Date / Time
c) Write down any two advantages of Query.
Any two importance of query are:
a.It allows user to make calculations and change data in automated fashion.
b.It provides option to delete all the unwanted data matching certain criteria.
8. Select the best answer:
a) …………… is not the data type of MS-Access.
i) Number ii) Text iii) Memo iv) Form
Form
b) …………… is the DBMS.
i) Fox-Pro ii) MS-Excel iii) Lotus-123 iv) All of the above
Fox-pro
c) Primary key does not accept ……………
i) Text ii) Number iii) Null value iv) None of the above
Null value
d) In MS-Access we enter data using ………….
i) Form ii) Table iii) Report iv) Both (i) &(ii)
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
Answers
Group A Group B
a) Query Extracts the selected record for view
b) Form Allows view, edit, input data
c) Table Stores data
d) Report Printed format
Group C-Programming (18 marks) 10. a) Write down one difference between function and sub procedure.
Ans: One difference between function and sub procedure is
SUB-procedure
FUNCTION-procedure
SUB-procedure does not return value.
FUNCTION-procedure must return a value.
b) List any two data type used in C language.
Ans: Any two data type used in C language are char and int
c) Write down the functions of:
i) RMDIR
Ans: It is used to remove or delete only the subdirectories from a disk. It can remove only empty subdirectories.
ii) NAME
Ans: The NAME statement renames a file on a disk.
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
Debuged Program
DECLARE FUNCTION SUM (a,b)
REM Program to sum given two numbers
Input ”Enter first number”; x
Input “Enter second number”; y
PRINT SUM (x, y)
END
FUNCTION SUM(a, b)
SUM=a+b
END FUNCTION
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?
Ans: The name of the function used in the above program is xyz.
b) How many times the function will be called in the above program?
Ans: The function will be called five times in the above program.
14.a.) Write a program to calculate distance travelled by a body using Function..End..Function (Hint: s=ut+ (1/2) at2)
DECLARE FUNCTION DISTANCE (U,T, A)
CLS
INPUT “ENTER INITIAL VELOCITY, TIME AND ACCELERATION”; U, T, A
PRINT “DISTANCE TRAVELLED BY BODY”; DISTANCE (U, T, A)
END
FUNCTION DISTANCE (U, T, A)
DISTANCE = U*T+1/2*A*T^2
END FUNCTION
b) Write a program to print the following serial 9, 7, 5,……1 using Sub..End..Sub
DECLARE SUB SERIES ( )
CLS
CALL SERIES
END
SUB SERIES ( )
FOR I = 9 TO 1 STEP-2
PRINT I
NEXT I
END SUB
c) 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”.
OPEN “Library.dat” FOR OUTPUT AS #1
DO
CLS
INPUT “ENTER BOOK’S NUMBER”; BN
INPUT “ENTER BOOK’S NAME”; B$
INPUT “ENTER WRITER’S NAME”; N$
WRITE #1, BN, B$, N$
INPUT “DO YOU WANT TO CONTINUE”; CH$
LOOP WHILE UCASE$(CH$) = “Y”
CLOSE #1
END
a. Define star topology with figure.
Ans: The topology in which all computers or the network devices are connected through a central device in the shape of star structure is called star topology.
b. List out any four services of internet.
Ans: Any four services of internet are
i) E-mail (Electronic mail)
ii) FTP (File Transfer Protocol)
iii) IRC (internet Relay Chat)
iv) E-commerce
c. Define computer ethics.
Ans: Computer ethics is the set of moral principles or code of conducts that should be followed by computer user.Example. Donot use other’s personal gadget or computer without permission.
d. Write down two measures of each to protect computer hardware and software.
Ans: Any two hardware security measures are:
ii) Insurance Policy
ii) Power Regulator Device
Any two software security measures are:
i) Backup
ii) Password
e. What is anti-virus? Write down any two examples of anti-virus software.
Ans: Antivirus software is software designed to detect and remove virus from computer system to ensure virus free environment.
Any two examples of antivirus software are:
i) Kaspersky ii) NOD32
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
Answers
Group A Group B
a) Server Main computer
b) Node Work station
c) Protocol HTTP
d) Coaxial cable 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
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
Ramesh@yahoo.com
c) Route of virus transmission:
i) Pen drive ii) Microphone iii) Printer iv) Mouse
Pen drive
d) Main component of multimedia is:
i) Floppy disk ii) Floppy drive iii) Sound card iv) Magnetic tape
Sound card
5) Give appropriate technical terms:
a) A computer network limited within a room.
LAN (Local Area Network)
b) A program that destroys other program
Computer Virus
c) Law regarding internet (or Legal issues of Cyber Space).
Cyber Law
d) Buying and selling products and services online.
E-Commerce
6. Write the full forms:
a) UPS = Uninterruptible Power Supply
b) TCP Transmission Control Protocol
c) STP = Shielded Twisted Pair
d) NIC = Network Interface Card
a) What is database?
Ans:Database is a collection of related and organized information that can be used for different purpose.
b) While designing table structure which data types are suitable to store information about teacher’s name, address, salary, and date of birth.
While designing table structure the data types are suitable to store information about
teacher’s name = Text
Address = Memo
Salary = currency
Date of birth = Date / Time
c) Write down any two advantages of Query.
Any two importance of query are:
a.It allows user to make calculations and change data in automated fashion.
b.It provides option to delete all the unwanted data matching certain criteria.
8. Select the best answer:
a) …………… is not the data type of MS-Access.
i) Number ii) Text iii) Memo iv) Form
Form
b) …………… is the DBMS.
i) Fox-Pro ii) MS-Excel iii) Lotus-123 iv) All of the above
Fox-pro
c) Primary key does not accept ……………
i) Text ii) Number iii) Null value iv) None of the above
Null value
d) In MS-Access we enter data using ………….
i) Form ii) Table iii) Report iv) Both (i) &(ii)
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
Answers
Group A Group B
a) Query Extracts the selected record for view
b) Form Allows view, edit, input data
c) Table Stores data
d) Report Printed format
Ans: One difference between function and sub procedure is
SUB-procedure
FUNCTION-procedure
SUB-procedure does not return value.
FUNCTION-procedure must return a value.
b) List any two data type used in C language.
Ans: Any two data type used in C language are char and int
c) Write down the functions of:
i) RMDIR
Ans: It is used to remove or delete only the subdirectories from a disk. It can remove only empty subdirectories.
ii) NAME
Ans: The NAME statement renames a file on a disk.
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
Debuged Program
DECLARE FUNCTION SUM (a,b)
REM Program to sum given two numbers
Input ”Enter first number”; x
Input “Enter second number”; y
PRINT SUM (x, y)
END
FUNCTION SUM(a, b)
SUM=a+b
END FUNCTION
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?
Ans: The name of the function used in the above program is xyz.
b) How many times the function will be called in the above program?
Ans: The function will be called five times in the above program.
14.a.) Write a program to calculate distance travelled by a body using Function..End..Function (Hint: s=ut+ (1/2) at2)
DECLARE FUNCTION DISTANCE (U,T, A)
CLS
INPUT “ENTER INITIAL VELOCITY, TIME AND ACCELERATION”; U, T, A
PRINT “DISTANCE TRAVELLED BY BODY”; DISTANCE (U, T, A)
END
FUNCTION DISTANCE (U, T, A)
DISTANCE = U*T+1/2*A*T^2
END FUNCTION
b) Write a program to print the following serial 9, 7, 5,……1 using Sub..End..Sub
DECLARE SUB SERIES ( )
CLS
CALL SERIES
END
SUB SERIES ( )
FOR I = 9 TO 1 STEP-2
PRINT I
NEXT I
END SUB
c) 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”.
OPEN “Library.dat” FOR OUTPUT AS #1
DO
CLS
INPUT “ENTER BOOK’S NUMBER”; BN
INPUT “ENTER BOOK’S NAME”; B$
INPUT “ENTER WRITER’S NAME”; N$
WRITE #1, BN, B$, N$
INPUT “DO YOU WANT TO CONTINUE”; CH$
LOOP WHILE UCASE$(CH$) = “Y”
CLOSE #1
END
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