By QB365 on 31 Dec, 2022
QB365 provides a detailed and simple solution for every Possible Questions in Class 12 Computer Application Subject - Important 2 Mark English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.
12th Standard
Computer Applications
Answer All Questions
Define Multimedia and their features.
Classify the TEXT component in multimedia.
Give some examples of DTP software.
What is text editing?
What are the common usages of PHP?
Define Webserver.
Define Function in PHP.
Define Array in PHP.
Compare if and if else statement.
Define Looping Structure in PHP
Compare For loop and for each loop.
Define HTML form controls.
Explain the difference between checkbox and radio button in HTML forms.
What are the MySQLi function available PHP?
What is Connection string?
What is a Computer Network?
Define Intranet
List any four domain names.
What is meant by champ connector?
Explain the History of open source software
Define E-Commerce.
Define electronic payment system.
What is digital signature?
Write a note on EDIFACT subsets.
Write a short note on Static Text
What is Musical Instrument Digital Identifier (MIDI)?
What are the menu options available in Menu bar?
What is the use of minimize button?
How is computer Network demonstrated in simulators?
What is FinTech?
Answers
Multimedia allows the users to combine and change data from various sources like image, text, graphics,video and audio to a single platform.
Features:
(i) It has become the latest enriching experience in the field of information sector.
(ii) It has brought a lot of changes to computing, entertainment and education.
Text component in multimedia can be classified as
(i) Static text.
(ii) Hypertext.
The popular DTP software are Adobe PageMaker, Adobe InDesign, QuarkXpress, etc.
Editing means making changes to the text. Editing a text contains many tasks such as inserting and deleting words and phrases, correcting errors, moving and copying text to different places in the document.
(i) PHP can be easily embed with HTML and other client side scripting language like CSS [cascading style sheets) and Java scripts.
(ii) It also creates dynamic and interactive webpages in the real time Web development projects.
(iii) It is competitor of ASP and JSP.
(iv) 78.9% of websites are developed by PHP.
A server is a computer or a device that provides functionalities for other programs of devices called "Client".
A function is a type of sub routine or procedure in a program. A function will be executed by a call to the function and the function returns any data type values or NULL. value to the called function in the part of respective program.
Array is a concept that stores more than one value of same data type in single array variable.
If Statement | If else Statement |
if statement executes some code if one condition is true. | If statement executes some code if the condition is true and else part of code executes if the condition is false. |
Loop structures in PHP is an iterative control structures that involves executive the same block of code a specified number of times. Loops that iterate for fixed no of times is also called as Bounded loops.
For loop | For each loop |
---|---|
For loops execute a block of code a specified number of times. | The foreach construct provides an easy way to iterate over arrays. |
HTML form controls are used to collect data from user.
Checkbox | Radio button |
Checkbox is a important feature which selects more than one value from the HTML form. | Radio box is similar to checkbox but one value can be chosen at a time. |
(i) Mysqli_connect() Function
(ii) Mysqli_close() Function
(iii) Mysqli_query() Function
(i) In computing, a connection string is a string that specifies information about a data source and the means of connected to it.
(ii) It is passed in code to underlying driver or provider in order to initiate the connection.
A set of computers connected together for the purpose of sharing resources is called as computer network.
Intranet is a private network within an enterprise to share company data and computing resources between the employees. It may consist of many interlinked local area networks.
Domain Name | Meaning |
TLD | Top Level Domains |
ccTLD | country code Top Level Domains. |
gTLD | generic Top Level Domains. |
IDN ccTLD | internationalised country code top-level domains. |
(i) The RJ-21 connector has 50 pins with 25 pins at one end and 25 pins at the other end.
(ii) It is also called as champ connector or Amphenol Connector.
(iii) Amphenol Connector is a connector manufacturer.
Richard Stallman the free software movement, the beginnings of open source. Collaboration was king in the software world when Richard Stallman joined MIT's Artificial Intelligence Lab in 1971 as a freshman at Harvard University.
E-Commerce can be described as the process of buying or selling products, services (or) information via computer networks.
The term electronic payment refers to a payment made from one bank account to another bank account using electronic methods forgoing the direct intervention of bank employees.
A digital signature is a mechanism that is used to verify that a particular digital document, message or transaction is authentic.
Due to the complexity, branch-specific subsets of EDIFACT have developed. These subsets of EDIFACT include only the functions relevant to specific user groups.
Example: CEFIC - Chemical industry
EDIFURN - Furniture industry
EDIGAS - Gas business
i) Static text, the text or the words will remain static as a heading or in a line, or in a paragraph. The words are given along with the images to explain about the images.
ii) In static text the words will either give information or support an image or video.
Musical Instrument Digital Identifier (MIDI) is a standard communication tool developed for computers and electronic instruments.
File, Edit, Layout, Type, Element, Utilities, View,Window, Help.
Minimize button is used for reducing the document window to a small icon and kept in the task bar.
In simulators, the computer network is typically demonstrated with devices, traffic, etc. and the performance are evaluated.
Fintech is a new financial industry that uses technology to improve financial activity.