MCQs on Introduction to Lua | Lua
1. What is Lua?
- Lua is a:
- a) Low-level programming language
- b) High-level scripting language
- c) Database query language
- d) Operating system
- Who created Lua?
- a) Dennis Ritchie
- b) Guido van Rossum
- c) Roberto Ierusalimschy and team
- d) James Gosling
- What does the word “Lua” mean?
- a) Code
- b) Moon
- c) Light
- d) Star
- Lua was primarily designed for:
- a) Web development
- b) Embedded systems
- c) Artificial Intelligence
- d) Database management
- Lua’s first version was released in:
- a) 1990
- b) 1993
- c) 2000
- d) 2010
2. Lua’s Applications and Features
- Which industry heavily uses Lua?
- a) Aerospace
- b) Gaming
- c) Biotechnology
- d) Real Estate
- Which of these is NOT a key feature of Lua?
- a) Portability
- b) Garbage collection
- c) Built-in GUI library
- d) Extensibility
- Lua is commonly used in game engines like:
- a) Unreal Engine
- b) CryEngine
- c) Roblox and Corona SDK
- d) Flutter
- Lua’s syntax is inspired by which language?
- a) C
- b) Python
- c) JavaScript
- d) SQL
- What makes Lua efficient for embedding?
- a) Its large size
- b) Complex architecture
- c) Lightweight and simple design
- d) Strong typing system
3. Setting Up Lua Environment
- To run Lua scripts, you need:
- a) Lua interpreter
- b) Python interpreter
- c) Java JDK
- d) Node.js
- What command is used to check Lua’s version in the terminal?
- a)
lua --info - b)
lua -v - c)
lua --help - d)
lua -version
- a)
- What file extension is used for Lua scripts?
- a)
.lua - b)
.py - c)
.rb - d)
.js
- a)
- Which popular IDE supports Lua scripting?
- a) Visual Studio Code
- b) NetBeans
- c) PyCharm
- d) Xcode
- What is required to embed Lua in another application?
- a) Lua compiler
- b) Lua interpreter and C API
- c) Lua GUI framework
- d) Lua virtual machine
4. Writing and Running Your First Lua Script
- How do you print “Hello, World!” in Lua?
- a)
System.print("Hello, World!") - b)
print("Hello, World!") - c)
console.log("Hello, World!") - d)
output("Hello, World!")
- a)
- What does
print()do in Lua?- a) Reads input
- b) Displays output
- c) Creates files
- d) Terminates the program
- Lua’s scripts are executed in:
- a) Sequential order
- b) Random order
- c) Reverse order
- d) Parallel threads
- Which command runs a Lua script in the terminal?
- a)
lua run <scriptname.lua> - b)
execute <scriptname.lua> - c)
lua <scriptname.lua> - d)
python <scriptname.lua>
- a)
- Lua uses which type of typing?
- a) Static typing
- b) Dynamic typing
- c) Weak typing
- d) Strong typing
5. Miscellaneous Questions
- Lua is implemented in:
- a) Python
- b) C
- c) JavaScript
- d) Java
- Lua’s core library includes support for:
- a) Networking protocols
- b) Mathematical functions
- c) Machine learning
- d) Database transactions
- Lua’s garbage collector is:
- a) Manual
- b) Automatic
- c) Semi-automatic
- d) Non-existent
- How does Lua handle errors by default?
- a) Silently ignores them
- b) Crashes the program
- c) Throws exceptions
- d) Prints an error message
- Lua can be used alongside:
- a) SQL and MongoDB
- b) JavaScript and Python
- c) C and C++
- d) All of the above
- Lua’s table structure is equivalent to:
- a) Arrays
- b) Hash maps
- c) Both arrays and hash maps
- d) Stacks
- What syntax is used to define a function in Lua?
- a)
function() {} - b)
def func() - c)
function name() end - d)
fn name() ->
- a)
- Lua’s standard I/O functions are part of:
- a) The math library
- b) The string library
- c) The base library
- d) The debug library
- Lua handles strings as:
- a) Immutable objects
- b) Mutable objects
- c) References
- d) Arrays of characters
- Lua supports comments in the form of:
- a)
# - b)
// - c)
-- - d)
/* */
- a)
Answers
| Qno | Answer |
|---|---|
| 1 | b) High-level scripting language |
| 2 | c) Roberto Ierusalimschy and team |
| 3 | b) Moon |
| 4 | b) Embedded systems |
| 5 | b) 1993 |
| 6 | b) Gaming |
| 7 | c) Built-in GUI library |
| 8 | c) Roblox and Corona SDK |
| 9 | a) C |
| 10 | c) Lightweight and simple design |
| 11 | a) Lua interpreter |
| 12 | b) lua -v |
| 13 | a) .lua |
| 14 | a) Visual Studio Code |
| 15 | b) Lua interpreter and C API |
| 16 | b) print("Hello, World!") |
| 17 | b) Displays output |
| 18 | a) Sequential order |
| 19 | c) lua <scriptname.lua> |
| 20 | b) Dynamic typing |
| 21 | b) C |
| 22 | b) Mathematical functions |
| 23 | b) Automatic |
| 24 | d) Prints an error message |
| 25 | d) All of the above |
| 26 | c) Both arrays and hash maps |
| 27 | c) function name() end |
| 28 | c) The base library |
| 29 | a) Immutable objects |
| 30 | c) -- |