#### 12th Standard English Medium Computer Applications Reduced Syllabus Public Exam Model Question Paper - 2021

12th Standard

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Computer Applications

Time : 02:45:00 Hrs
Total Marks : 70

Part I

Choose the most suitable answer from the given four alternatives and write the option code with the corresponding answer.

15 x 1 = 15
1. expand JPEG

(a)

joint photo experts gross

(b)

joint photographic experts group

(c)

joint processor experts group

(d)

joint photographic expression group

2. ___________ is defined as the system's ability to recover all committed transactions during the failure of storage or the system

(a)

Durability

(b)

Consistency

(c)

Concurrency

(d)

All of the above

3. Which of the following isthe important server side Web and general purpose scripting language?

(a)

HTML

(b)

CSS

(c)

Javascript

(d)

PHP

4. Which one of the following is the right way of defining a function in PHP?

(a)

function { function body }

(b)

data type functionName(parameters) { function body }

(c)

functionName(parameters) { function body }

(d)

function fumctionName(parameters) { function body }

5. What will be the output of the following PHP code ?
< ?php
x = 10;
y = 20;
if (x > y + y != 3)
print “hi” ;
else
print “how are u”;
? >

(a)

how are u

(b)

hi

(c)

error

(d)

no output

6. Which of the following is an entry check loop?

(a)

foreach

(b)

for

(c)

while

(d)

do..while

7. When you use the \\$_GET variable to collect data, the data is visible to..

(a)

none

(b)

only you

(c)

everyone

(d)

selected few

8.  A)MysqlLcioseO Function - 1) Four parameter B) MysqlLconnectO Functio - 2)Two parameters C)mysqli_ query Function - 3) No parameters D)mysqli_connect_errpr( ) - 4)One Parameter
(a)

2 3 1 4

(b)

4 3 2 1

(c)

2 3 4 1

(d)

4 1 2 3

9. Which one were harmful to computer

(a)

Bloggers

(b)

Browser

(c)

Hackers

(d)

10. ________transmits the electromagnetic waves that are received by antenna.

(a)

RFID

(b)

Red Antenna

(c)

Host

(d)

Node

11. TLD stands for

(a)

Top Level Data

(b)

Top Logical Domain

(c)

Term Level Data

(d)

Top Level Domain

12. ______________ are mainly used in Wide Area Network (WAN).

(a)

optic cable

(b)

Network cable

(c)

fibre cable

(d)

none of these

13. Which of the following is a software program that replicates the functioning of a computer network?

(a)

Network software

(b)

Network simulation

(c)

Network testing

(d)

Network calculator

14. _________is a process of taking down an E-Commerce site by sendlng continuous overwhelming request to its server.

(a)

RSA

(b)

DES

(c)

DDoS

(d)

CA

15. The TDCC Is renamed as Electronic Data Interchange Association (EDIA) in________

(a)

1972

(b)

1978

(c)

1974

(d)

1975

16. Part II

Answer any 6 questions. Question no. 24 is compulsory.

6 x 2 = 12
17. Write a short note on Static Text

18. Compare if and if else statement.

19. How SWitch statement and if statement differs?

20. What are the major operations of database?

21. Define Computer Network

22. What is Zone?

23. What is trace file?

24. What is mean by point of sale?

25. What is EDIFACT Segment

26. Part III

Answer any 6 questions. Question no. 33 is compulsory .

5 x 3 = 18
27. How Multimedia is used in Public Places

28. What is the use of Master Page?

29. What is relationship in databases? List its types

30. Differentiate user define and system define Functions.

31. Write a php program to display 1 to 10 numbers using while loop

32. Write short note on E-Banking?

33. Write short notes on HTTP, HTTPS, FTP.

34. When a company is can be called E-business?

35. What is EDI segment?

36. Part IV

5 x 5 = 25
1. Explain the tools in PageMaker toolbox.

2. Explain Indexed array and Associate array in PHP.

1. Explain Looping Structure in PHP.

2. Explain the Database error handling and management process in PHP?

1. Write in detail about The Interner Explosion?

2. Difference between TCP/IP and OSI Reference Model.

1. Write a notes on Hierarchical name space?

2. List out the Benefits of Open Source Software

1. Explain In detail about Credit card Number.

2. Differenticate digital signatures and digital certificates.