WebAssembly

Which of the following is a limitation of WebAssembly? a) It cannot handle computationally intensive tasks b) It cannot access browser features like localStorage directly c) It cannot be used with JavaScript d) It cannot be used for mobile development Answer: b) It cannot access browser features like localStorage directly Explanation: WebAssembly cannot directly access […]

Which of the following tools can compile C/C++ code into WebAssembly? a) npm b) Emscripten c) Visual Studio d) WebStorm Answer: b) Emscripten Explanation: Emscripten is a popular toolchain that compiles C and C++ code into WebAssembly, enabling high-performance applications to run in the browser. Reference: WebAssembly Quiz – MCQ – Multiple Choice Questions

What is the primary goal of WebAssembly? a) To replace JavaScript b) To enable near-native performance for web applications c) To build mobile apps d) To replace web browsers Answer: b) To enable near-native performance for web applications Explanation: The primary goal of WebAssembly is to enable high-performance applications, like games and video processing, to

Can WebAssembly be used in non-web environments? a) Yes, it can be used in non-web environments like Node.js b) No, WebAssembly is limited to browsers c) Only on mobile apps d) Only on server-side platforms Answer: a) Yes, it can be used in non-web environments like Node.js Explanation: WebAssembly can be used outside of the

Is WebAssembly supported by all modern web browsers? a) Yes, WebAssembly is supported by all major browsers b) No, only Chrome supports WebAssembly c) No, WebAssembly requires a special plugin d) Only mobile browsers support WebAssembly Answer: a) Yes, WebAssembly is supported by all major browsers Explanation: WebAssembly is supported by all modern browsers, including

Can WebAssembly directly manipulate the DOM? a) Yes, it can directly manipulate the DOM b) No, WebAssembly must interact with the DOM through JavaScript c) Only in certain browsers d) WebAssembly cannot interact with the DOM Answer: b) No, WebAssembly must interact with the DOM through JavaScript Explanation: WebAssembly does not have direct access to

Which of the following is a primary use case for WebAssembly? a) Basic HTML page rendering b) High-performance applications like games and video editing c) Styling web pages with CSS d) Building simple websites Answer: b) High-performance applications like games and video editing Explanation: WebAssembly is primarily used for high-performance applications like games, video editing,

What does WebAssembly Text Format (WAT) represent? a) A compiled WebAssembly file b) A human-readable format for WebAssembly binaries c) A JavaScript framework for Wasm d) A debugger tool for Wasm Answer: b) A human-readable format for WebAssembly binaries Explanation: WebAssembly Text Format (WAT) is a human-readable representation of WebAssembly binary files, making it easier

How is WebAssembly integrated into web applications? a) By embedding it directly in HTML b) By importing it as a JavaScript module c) By compiling it in the browser d) By running it inside a web worker Answer: b) By importing it as a JavaScript module Explanation: WebAssembly modules can be imported and executed in

What file extension is used for WebAssembly binaries? a) .wasm b) .wbin c) .webasm d) .wat Answer: a) .wasm Explanation: WebAssembly binaries use the .wasm file extension. Reference: WebAssembly Quiz – MCQ – Multiple Choice Questions

Is WebAssembly designed to replace JavaScript? a) Yes, WebAssembly will fully replace JavaScript b) No, WebAssembly complements JavaScript c) Only for front-end development d) Only for server-side programming Answer: b) No, WebAssembly complements JavaScript Explanation: WebAssembly is designed to complement JavaScript, enabling developers to use both technologies together to build faster and more efficient web

Which of the following is a benefit of using WebAssembly? a) It allows direct DOM manipulation b) It enables high-performance code execution c) It replaces JavaScript completely d) It is not supported by modern browsers Answer: b) It enables high-performance code execution Explanation: WebAssembly allows near-native performance in web applications, making it suitable for tasks

How does WebAssembly run in the browser? a) It runs directly on the CPU b) It runs in a virtual machine c) It is interpreted by the browser’s JavaScript engine d) It runs as part of the DOM Answer: b) It runs in a virtual machine Explanation: WebAssembly runs inside a virtual machine embedded in

Which languages can be compiled into WebAssembly? a) JavaScript b) C, C++, Rust c) HTML and CSS d) SQL Answer: b) C, C++, Rust Explanation: Languages like C, C++, and Rust can be compiled into WebAssembly, enabling high-performance code to run in web browsers. Reference: WebAssembly Quiz – MCQ – Multiple Choice Questions

What is WebAssembly (Wasm)? a) A high-level programming language b) A low-level binary format for web browsers c) A database management system d) A front-end framework for web development Answer: b) A low-level binary format for web browsers Explanation: WebAssembly (Wasm) is a low-level binary format that runs in web browsers, enabling near-native performance for