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Test Your Programming Skills with Safcode!
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"
Quiz Start
1. Which of these are valid types of Web Worker?
Only Shared are not Dedicated
None of These
Neither Dedicated nor Shared
Dedicated and Shared
View Answer
2. Which of these consumes CPU cycles and makes the system less responsive?
JSON
DOM API
XAMPP
Web Worker
View Answer
3. _________ is a robust JavaScript minification tool.
JavaScript Optimizer
All of them
Gulp Tool
Google Closure Compiler
View Answer
4. Identify the language from which JSON is derived.
C
JavaScript
PHP
ECMAScript
View Answer
5. The ____ type specifies that a variable can take only positive values.
Positive
Positive
Signed
Unsigned
View Answer
6. When an object through a combination of properties and methods its semantics, it is called ________.
Duck-typing
Compiler
CoffeScript
Traceur
View Answer
7. Which of the following protocol service uses JSON?
IP
SOAP
HTTP
None of these
View Answer
8. What language defines the behavior of a web page?
CSS
HTML
XML
Javascript
View Answer
9. __________ converts different language into JavaScript.
Preprocessor
Transpilers
None of them
Compilers
View Answer
10. Which of the following is the tainted property of a window object in Java Script?
Protocol
Defaultstatus
Pathname
Host
View Answer
11. Which of these is a language and also asset of tools complied into javascript itself?
TypeScript
None of Them
Non-Script
CoffeeScript
View Answer
12. A _______ define what kind of value will be stored by a particular variable.
Data Type
Return Type
None of these
Variable
View Answer
13. Which among these predefined properties does RegExp have?
Pattern and Matcher
Pattern Only
Matcher and Madrid
None of these
View Answer
14. How many times does the compilation of the preprocessor happen before the first javascript is encountered?
Two
Three
One
None of Them
View Answer
15. What is the alternate name for Java script?
LimeScript
ECMScript
Both a and d
ECMAScript
View Answer
16. Range for char datatype is _________.
-128 to 127
-32768 t0 32767
256 to 255
None of these
View Answer
17. Which of the following is an asynchronous function?
CallBack
Blocking
Grouping
Parse
View Answer
18. Java Script entities start with ____________ and end with ___________?
Semicolon, Ampersand
Ampersand, colon
Semicolon, colon
Ampersand, semicolon
View Answer
19. Which of the following keyword is used to create an object?
new
None of these
class
Object
View Answer
20. _________ converts edge JavaScript into plain old ES5 JavaScript that can run in any new as well as old browser.
Rollup
Babel
Webpack
None of These
View Answer