← Class 12 Board Exam (HSC)
Tamil Nadu State Board · Computer Applications

TAMIL NADU STATE BOARD CLASS 12 COMPUTER APPLICATIONS 2023

2023 · 43 questions · First 10 Solutions Free
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Q1 mcq
The live telecasting of real-time program through Internet is known as ___________.
a.
web hosting
b.
data manipulation
c.
web casting Correct Answer
d.
none of the above
Step-by-Step AI Explanation
Verified Method
Web casting is the correct term for broadcasting or live telecasting real-time programs through the internet. Web hosting refers to storing website files on a server; data manipulation is the process of changing data; therefore, 'c' is the correct choice.
Q2 mcq
In PageMaker window, the area outside the dark border is referred to as __________.
a.
black board
b.
page
c.
dash board
d.
paste board Correct Answer
Step-by-Step AI Explanation
Verified Method
In PageMaker, the 'paste board' is the area outside the dark border (page margins) where you can place elements before moving them onto the actual page layout. 'Black board', 'page', and 'dash board' are incorrect terminology.
Q3 mcq
MySQL belongs to which category of DBMS ?
a.
Relational Correct Answer
b.
Object Oriented
c.
Network
d.
Hierarchical
Step-by-Step AI Explanation
Verified Method
MySQL is a Relational Database Management System (RDBMS) because it organizes data into tables (rows and columns) that are related to each other. It does not fall into the Object Oriented, Network, or Hierarchical model categories.
Q4 mcq
Recent statistics of server side scripting language usage depict that 78.9% of Website are developed by __________ Scripting Language.
a.
PHP Correct Answer
b.
Microsoft ASP
c.
CSS
d.
JSP
Step-by-Step AI Explanation
Verified Method
PHP is the most widely used server-side scripting language for web development. Statistics consistently show that a vast majority of websites (including those using CMS like WordPress) utilize PHP, making 'a' the correct choice.
Q5 mcq
Associative arrays are a __________ pair data structure.
a.
Double value
b.
Single value
c.
String value
d.
Key value Correct Answer
Step-by-Step AI Explanation
Verified Method
Associative arrays consist of pairs where each element is mapped to a specific key, allowing for data retrieval using that key rather than a numerical index. This structure is famously known as a 'Key value' pair.
Q6 mcq
Loops that execute the same block of code, a specified number of times is called :
a.
While loops
b.
Unbounded loops
c.
For loops
d.
Bounded loops Correct Answer
Step-by-Step AI Explanation
Verified Method
Loops that execute a block of code a specific, pre-determined number of times are known as bounded loops (often implemented via 'for' loops). Unbounded loops are those whose termination depends on a condition that may not be known in advance.
Q7 mcq
In which input field only one option can be selected ?
a.
Radio button Correct Answer
b.
Text box
c.
Drop Down Menu
d.
Check box
Step-by-Step AI Explanation
Verified Method
A radio button is designed for exclusive selection where only one option can be picked from a set. Check boxes allow for multiple selections, while text boxes and drop-down menus serve different input purposes.
Q8 mcq
In which one of the following periods, the speed capacity supported towards gigabit on computer network ?
a.
NEW FIBRE OPTICS Correct Answer
b.
SABRE
c.
ARCNET
d.
SAGE
Step-by-Step AI Explanation
Verified Method
New Fibre Optics (or the period of high-speed optical networking advancements) introduced the capacity to support gigabit speeds in computer networks, significantly surpassing older technologies like ARCNET or SAGE.
Q9 mcq
Which one of the following is a technology to locate objects using radio signals ?
a.
WiFi
b.
URL
c.
RFID Correct Answer
d.
HTTP
Step-by-Step AI Explanation
Verified Method
RFID (Radio Frequency Identification) is a technology that uses radio frequency electromagnetic fields to transfer data and locate objects. WiFi is for wireless networking, URL is a web address, and HTTP is a communication protocol.
Q10 mcq
Maximum characters used in the label of a node.
a.
63 Correct Answer
b.
255
c.
32
d.
128
Step-by-Step AI Explanation
Verified Method
In networking and DNS-related standards (like hostname conventions), the maximum label length of a node is 63 characters.
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Q11 mcq
The cables that are placed in deep underground to a void any damage to the cables.
a.
Fiber optics
b.
Coaxial cables
c.
USB cables
d.
Twisted pair cables
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Q12 mcq
The dotcom phenomenon deals with __________.
a.
Mobile phone companies
b.
Internet based companies
c.
Textile industries
d.
All the above
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Q13 mcq
An example of network simulator.
a.
NS2
b.
Simulator
c.
C++
d.
TCL
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Q14 mcq
The expansion of PGP :
a.
Pretty Good Program
b.
Pretty Good Privacy
c.
Private Good Person
d.
Pretty Good Person
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Q15 mcq
A __________ is used for magnifying the particular portion of the area.
a.
Zoom tool
b.
Text tool
c.
Hand tool
d.
Line tool
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Q16 short answer
Define multimedia and mention its features.
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Q17 short answer
What is text block ?
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Q18 short answer
State few advantages of Relational databases.
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Q19 short answer
How will you declare variables in PHP ?
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Q20 short answer
What is Form Validation in PHP ?
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Q21 short answer
What is trace file ?
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Q22 short answer
List out the benefits of WiFi.
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Q23 short answer
What is an URL ?
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Q24 short answer
What are the ways in which networks are connected at home ?
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Q25 short answer
What is the use of Master page ?
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Q26 short answer
Write about Asymmetric key Encryption.
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Q27 short answer
Write short notes on file handling function.
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Q28 short answer
Write the disadvantages of Internet.
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Q29 short answer
Write short notes on HTTP, HTTPS, FTP.
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Q30 short answer
Explain B2C module in E-Commerce.
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Q31 short answer
What are the differences between Absolute URL and Re lative URL ?
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Q32 short answer
What is relationship in databases ? List its types.
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Q33 short answer
Write the output of the following program : <? php $a=5; $b=10; $c=($a1$b)* $a; echo $c; ?>
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Q34 long answer
Explain in detail about the roles of Multimedia production team and their Responsibilities.
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Q35 long answer
What are the advantages of EDI ?
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Q36 long answer
Explain the tools in PageMaker toolbox.
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Q37 long answer
Write about the development and growth of Electronic Commerce.
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Q38 long answer
How can you convert text in a text block to a frame ?
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Q39 long answer
Discuss in detail about Switch statement with an example.
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Q40 long answer
Explain working of loops in array.
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Q41 long answer
Explain about Internet, Intranet and Extranet.
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Q42 long answer
Write the output of the following program. <? php $Pass_Mark=35; $Student_Mark=70; if ($Student_Mark>=$Pass_Mark) { echo β€œThe Student is eligible for promotion”; } else { echo β€œThe Student is not eligible for promotion”; } ?>
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Q43 long answer
What is pay later method card ? Explain the key players of a pay later method payment system and bring out its merits.
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