Group A [10 Marks]
1. Answer the following questions in one sentence: (6×1= 6)
a) What is data communication?
b) What is a database?
c) What is cloud computing?
d) Write any two advantages of modular programming.
e) What is e-commerce?
f) Mention any two services provided by the internet.
2. Write the technical term for the following statements: (2×1=2)
a) An organization that provides Internet services to customers.
b) An artificial environment created using multimedia technology.
3. Write the full forms of the following: (2×1=2)
a) UPS
b) BNC
Group B (24 Marks]
4. Answer the following questions: (9×2=18)
a) Define cyber law and cyber crime.
b) What is the password? Write any two importance of password protection.
c) What is form? Write any two advantages of it.
d) What is the primary key? List any two advantages of it.
e) What is data sorting? List any two advantages of using it.
f) What is computer security? Write any two hardware security measures.
g) What is network topology? List any ten types of network topologies.
h) Mention any two differences between traditional commerce and e-commerce.
i) What is antivirus software? Name any two popular antivirus software.
5. Write the output of the given program showing the dry run table. (2)
DECLARE SUB CS (A)
CLS
A=2
CALL CS (A)
END
SUB CS (A)
FOR I= 1 TO 5
PRINT A;
A=A+3
NEXT I
END SUB
6. Debug the following program: (2)
DECLARE SUB SS ()
CLS
EXECUTE SS
END
SUB SS
REM program to generate 2 2 4 6 10…………up to the 10th term.
A=2
B=2
FOR JN= 10 TO 1
DISPLAY A: B:
A=A+B
B=A+B
NEXT JN
END SS ()
7. Read the following program and answer the given questions. (2)
DECLARE FUNCTION AA (N)
CLS
INPUT “Enter any number:-“;N
X= AA (N)
PRINT “The sum of individual digit is=”; X
END
FUNCTION AA (N)
WHILE N<>O
R= N MOD 10
S= S+R
N= N\10
WEND
AA=S
END FUNCTION
Questions:
a) Write the function of MOD.
b) How many times WHILE…. WEND LOOP repeats if the value of N is 123.
Group C [16 Marks]
8. Convert/Calculate as per the instruction: (4×1=4)
a) (1100101)2 = (?) 16
b) (546)8= (?)2
c) (1010)2 X (110)2-(1011)2=(?)2
d) (101110)2/(110)2
9. a) Write a program in QBASIC that asks length, breadth of a room and calculate its area and perimeter. Create a user defined function to calculate area and sub program to calculate perimeter. [Hint: [Area=LXB], [P=2(L+B)]] (4)
b) WAP in SUB procedure to enter decimal number and find the binary number in QBASIC. (4)
10. WAP in QBASIC to enter a word and find the number of vowels using the FUNCTION procedure. (4)
OR
WAP in QBASIC to enter three numbers and find the smallest number using FUNCTION procedure.