Test Your Programming Skills with Safcode!

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Here is all important interview / exams questions.
Student doing practice apptitude test on safcode platform.
Instruction: "Total Number of Questions: 20
Each question carry 10 mark , no negative marking"

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Quiz Start

1. Which of these consumes CPU cycles and makes the system less responsive? JSON
Web Worker
DOM API
XAMPP

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2. _________ is a robust JavaScript minification tool. JavaScript Optimizer
Gulp Tool
All of them
Google Closure Compiler

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3. _________ converts edge JavaScript into plain old ES5 JavaScript that can run in any new as well as old browser. Webpack
None of These
Rollup
Babel

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4. What language defines the behavior of a web page? HTML
XML
CSS
Javascript

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5. Range for char datatype is _________. 256 to 255
-32768 t0 32767
None of these
-128 to 127

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6. Which of the following keyword is used to create an object? class
None of these
Object
new

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7. When an object through a combination of properties and methods its semantics, it is called ________. Duck-typing
Traceur
CoffeScript
Compiler

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8. Which of the following protocol service uses JSON? HTTP
None of these
IP
SOAP

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9. ompilation of the preprocessor happens only _______ just before the first JavaScript is encountered. None of these
Twice
Once
Thrice

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10. Identify the language from which JSON is derived. ECMAScript
PHP
JavaScript
C

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