ProTechSolution - E-Learning System

1. What is type casting?

Changing a variable's data type

Throwing an error

Declaring a variable

Looping through an array

2. What does a compiler do?

Runs the code line by line

Translates high-level code to machine code

Formats the code

Debugs the code

3. What is concatenation?

Splitting a string

Joining strings together

Converting to uppercase

Deleting a variable

4. What is recursion?

A loop that never ends

A function calling itself

A type of variable

A database query

5. What is a function?

A variable

A block of reusable code

A syntax error

A data type

6. What is a boolean?

A number

A text string

A True or False value

An array

7. What is the base-2 number system called?

Decimal

Hexadecimal

Binary

Octal

8. What is pseudo-code?

Fake code that doesn't run

A way to plan code using plain language

A type of virus

Compiled machine code

9. What is a string?

A sequence of numbers

A sequence of characters

A boolean value

A function parameter

10. What is debugging?

Adding new features

Finding and fixing errors

Writing documentation

Compiling code

11. What is a constant?

A variable that changes often

A value that cannot be altered

A loop condition

An array index

12. What is a variable?

A named storage location

A fixed number

A mathematical function

A database table

13. What is syntax?

The rules of a language

A type of variable

A compiler

An IDE

14. What is an array?

A single value

A collection of items

A type of loop

A function

15. How many bits are in a byte?

4

8

16

32

16. Which operator is used to find the remainder of a division?

/

*

%

//

17. What does 'if' do in programming?

Loops a block of code

Checks a condition

Defines a variable

Creates a class

18. What does IDE stand for?

Integrated Development Environment

Internal Design Engine

Internet Development Editor

Interactive Data Environment

19. What is an algorithm?

A programming language

A step-by-step solution to a problem

A type of computer

A database

20. Which of these is a loop?

for

if

switch

case

Programming Concepts Certification Quiz