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O LEVEL
A LEVEL
Mock Test
M1 R5: Information Technology Tools and Network Basics
M2 R5: Web Designing and Publishing
M3 R5: Programming and Problem Solving through Python
M4 R5: Internet of Things (IoT) and Its Applications
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O Level Papers!
M2 R5: Web Designing and Publishing
Javascript
Set 1
25
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1
Which of the following achieves the effect of using script language?
निम्नलिखित में से कौन स्क्रिप्ट भाषा का उपयोग करने के प्रभाव को प्राप्त करता है?
DHTML
XML
HTML
CGI
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25
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2
What is JavaScript?
जावास्क्रिप्ट क्या है?
A markup language
A programming language
A database
A server
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25
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3
Which of the following is correct about JavaScript?
जावास्क्रिप्ट के बारे में निम्नलिखित में से कौन सा सही है?
JavaScript is an Object-Based language
JavaScript is Assembly-language
JavaScript is an Object-Oriented language
JavaScript is a Low-level language
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25
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4
Among the given statements, which statement defines closures in JavaScript?
दिए गए कथनों में से, कौन सा कथन जावास्क्रिप्ट में बंद होने को परिभाषित करता है?
JavaScript is a function that is enclosed with references to its inner function scope
JavaScript is a function that is enclosed with references to its lexical environment
JavaScript is a function that is enclosed with the object to its inner function scope
None of the mentioned
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25
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5
Arrays in JavaScript are defined by which of the following statements?
जावास्क्रिप्ट में सरणियों को निम्नलिखित में से किस कथन द्वारा परिभाषित किया जाता है?
It is an ordered list of values
It is an ordered list of objects
It is an ordered list of string
It is an ordered list of functions
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25
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6
Where is Client-side JavaScript code is embedded within HTML documents?
HTML दस्तावेज़ों के भीतर क्लाइंट - साइड जावास्क्रिप्ट कोड कहाँ एम्बेडेड है?
A URL that uses the special javascript:code
A URL that uses the special javascript:protocol
A URL that uses the special javascript:encoding
A URL that uses the special javascript:stack
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25
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7
Which of the following object is the main entry point to all client-side JavaScript features and APIs?
निम्नलिखित में से कौन सा ऑब्जेक्ट सभी क्लाइंट - साइड जावास्क्रिप्ट सुविधाओं और एपीआई के लिए मुख्य प्रविष्टि बिंदु है?
Position
Window
Standard
Location
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8
Which of the following can be used to call a JavaScript Code Snippet?
जावास्क्रिप्ट कोड स्निपेट को कॉल करने के लिए निम्नलिखित में से किसका उपयोग किया जा सकता है?
Function/Method
Preprocessor
Triggering Event
RMI
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25
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9
Which of the following explains correctly what happens when a JavaScript program is developed on a Unix Machine?
निम्नलिखित में से कौन सही ढंग से बताता है कि जब यूनिक्स मशीन पर जावास्क्रिप्ट प्रोग्राम विकसित किया जाता है तो क्या होता है?
will work perfectly well on a Windows Machine
will be displayed as JavaScript text on the browser
will throw errors and exceptions
must be restricted to a Unix Machine only
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25
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10
Which of the following scoping type does JavaScript use?
जावास्क्रिप्ट निम्नलिखित में से किस स्कोपिंग प्रकार का उपयोग करता है?
Sequential
Segmental
Lexical
Literal
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25
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11
What is the basic difference between JavaScript and Java?
जावास्क्रिप्ट और जावा के बीच बुनियादी अंतर क्या है?
Functions are considered as fields
Functions are values, and there is no hard distinction between methods and fields
Variables are specific
There is no difference
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25
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12
Why JavaScript Engine is needed?
जावास्क्रिप्ट इंजन की आवश्यकता क्यों है?
Both Compiling & Interpreting the JavaScript
Parsing the javascript
Interpreting the JavaScript
Compiling the JavaScript
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25
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13
Why event handlers is needed in JS?
JS में इवेंट हैंडलर की आवश्यकता क्यों है?
Allows JavaScript code to alter the behaviour of windows
Adds innerHTML page to the code
Change the server location
Performs handling of exceptions and occurrences
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25
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14
Which of the following is not a framework?
निम्नलिखित में से कौन सा एक ढांचा नहीं है?
JavaScript .NET
JavaScript
Cocoa JS
jQuery
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25
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15
Which of the following is the property that is triggered in response to JS errors?
निम्नलिखित में से कौन सी संपत्ति है जो जेएस त्रुटियों के जवाब में ट्रिगर की जाती है?
onclick
onerror
onmessage
onexception
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25
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16
Which of the following statement is true for AngularJS?
कौन सा कथन सत्य है?
AngularJS is a closed-source front-end web framework
AngularJS is an open-source front-end web framework
AngularJS is an open-source backend web framework
AngularJS is a closed-source back-end web framework
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25
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17
Which of the following is the correct syntax for writing AngularJS expressions ?
AngularJS एक्सप्रेशन लिखने के लिए निम्नलिखित में से कौन सा वाक्यविन्यास सही है?
{{expression}}
{{expression | filter1 | filter2 | …}}
Both of the mentioned
None of the mentioned
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25
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18
Which of the following components can be injected as a dependency in AngularJS?
AngularJS में निर्भरता के रूप में निम्नलिखित में से किस घटक को इंजेक्ट किया जा सकता है?
factory
service
value
All of the above
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25
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19
Which of the following directives is used to start an angularJS application?
कोणीय जेएस एप्लिकेशन शुरू करने के लिए निम्नलिखित में से किस निर्देश का उपयोग किया जाता है?
ng-repeat
ng-init
ng-app
ng-model
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25
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20
AngularJS expressions bind AngularJS data to HTML like which of the following directive?
AngularJS अभिव्यक्तियाँ AngularJS डेटा को HTML से बांधती हैं जैसे कि निम्नलिखित में से कौन सा निर्देश?
ng-repeat
ng-bind
ng-app
ng-model
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25
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21
Which of the following can be used as a prefix for Directive?
निर्देश के उपसर्ग के रूप में निम्नलिखित में से किसका उपयोग किया जा सकता है?
data-
ng-
All of the mentioned
None of the mentioned
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25
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22
What is a Model in MVC?
MVC में एक मॉडल क्या है?
the lowest level of the pattern responsible for maintaining data
represents server-side data
represents data stored in a database
None of the mentioned
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25
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23
Which of the following statement is correct about data binding in AngularJS?
AngularJS में डेटा बाइंडिंग के बारे में निम्नलिखित में से कौन सा कथन सही है?
Automatic synchronization of data between model and view components
Automatic synchronization of data between model and controller components
Technique to save html data in the database
Technique to bind database data to html control
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25
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24
Which of the following is an advantage of AngularJS?
निम्नलिखित में से कौन सा AngularJS का एक लाभ है?
Uses dependency injection and makes use of separation of concerns
Code is unit-testable
Provides reusable components
All of the mentioned
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25
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25
What is React.js?
React.js क्या है?
Open-source JavaScript back-end library
JavaScript front-end library to create a database
Free and open-source JavaScript front-end library
None of the mentioned
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