Sail E0 Webinar

MCQs

Total Questions : 86 | Page 6 of 9 pages
Question 51. What is the purpose of garbage collection?
  1.    Removes object with many reference
  2.    Removes object with reference
  3.    Removes object with invalid reference
  4.    Removes object with no reference
 Discuss Question
Answer: Option D. -> Removes object with no reference
Question 52. What does the usedJsHeapSize property indicate?
  1.    Amount of memory used
  2.    Amount of memory unused
  3.    Amount of memory used & unused
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Amount of memory used
Question 53. Which of the following property indicate the total size of heap?
  1.    heapSize
  2.    totalHeapSize
  3.    totalJsHeapSize
  4.    totalHeap
 Discuss Question
Answer: Option C. -> totalJsHeapSize
Question 54. What can be done to monitor the memory usage?
  1.    Profiling
  2.    Sequencing
  3.    Serializing
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Profiling
Question 55. Which of the following gives the high level breakdown of memory usage?
  1.    about:memory
  2.    memory
  3.    about-memory
  4.    about::memory
 Discuss Question
Answer: Option A. -> about:memory
Question 56. Which keyword must be used to get a more granular insight of the memory usage?
  1.    verb
  2.    verbose
  3.    granule
  4.    none of the mentioned
 Discuss Question
Answer: Option B. -> verbose
Question 57. When does the browser stop rendering the HTML?
  1.    Inline JavaScript block
  2.    External JavaScript file
  3.    Both Inline JavaScript block & External JavaScript file
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Both Inline JavaScript block & External JavaScript file
Question 58. Which of the following handles painting the content on to the screen?
  1.    Rendering engine
  2.    JavaScript Interpreter
  3.    UI Layer
  4.    Network Layer
 Discuss Question
Answer: Option A. -> Rendering engine
Question 59. What does the rendering engine do when it encounters JavaScript?
  1.    Skips the code
  2.    Continues painting
  3.    Switches to Javascript Interpreter
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Switches to Javascript Interpreter
Question 60. Which of the following runs the JavaScript code?
  1.    Just In Time compiler
  2.    JavaScript Interpreter
  3.    Both Just In Time compiler and JavaScript Interpreter
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> JavaScript Interpreter

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI
Tabulation - Test Paper 2 Data Interpretation Reasoning & DI
Test Paper 1 Direction Sense Test Reasoning & DI
ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0
GFM Combined 1 Free Revision Test SAIL JO E-0