JS1 Sprint 1 Quiz

What is an interface in the context of computers?

• A programming language

• A gate that allows communication between a user and a machine

• A type of data

• A device used to store and perform operations on data

What does the 'ls' command do in a terminal?

• Lists the files and directories in the current directory

• Creates a new directory

• Moves files to a different directory

• Deletes files in the current directory

Which of the following is a data type in JavaScript?

• Function

• String

• Interface

• Command

What does the '+' operator do in JavaScript?

• Subtracts two numbers

• Adds two numbers

• Multiplies two numbers

• Divides two numbers

What does REPL stand for?

• Run, Evaluate, Print, Loop

• Read, Execute, Print, Loop

• Run, Execute, Print, Loop

• Read, Evaluate, Print, Loop

What is a variable in programming?

• A label for a piece of data

• A programming language

• A type of interface

• A type of function

What is a function in programming?

• A reusable set of instructions

• A type of data

• A programming language

• A terminal command

How do you call a function in JavaScript?

• By writing the function name followed by square brackets

• By writing the function name followed by curly braces

• By writing the function name followed by a semicolon

• By writing the function name followed by parentheses

What does 'console.log' do in JavaScript?

• Creates a new variable

• Logs values to the terminal

• Executes a function

• Evaluates an expression

What is a SyntaxError in JavaScript?

• An error that occurs when a file is not found

• An error that occurs when a function is not called

• An error that occurs when a variable is not defined

• An error that occurs when the rules of the language are broken