Crash Course Computer Science #12

What was a primary reason for developing programming languages?

• To write programs in native machine code.

• To increase the number of low-level details programmers had to manage.

• To allow programmers to focus on solving problems with computation rather than hardware details.

• To make computers run faster.

In programming, what is syntax?

• Individual complete thoughts or instructions.

• A method for assigning values to variables.

• The set of rules that govern the structure and composition of statements in a language.

• A list of instructions for the computer to follow.

In the context of programming a game, what does it mean to "initialize" variables?

• To change their values during gameplay.

• To set their initial values before the game starts.

• To delete variables that are no longer needed.

• To make variables unique.

What is the primary function of a "While" loop in programming?

• To execute a piece of code a fixed number of times.

• To choose between two different paths of code execution.

• To repeat a piece of code as long as a specified condition remains true.

• To assign a value to a variable.

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In a typical FOR loop structure, what happens to the loop variable (e.g., 'I') each time the 'NEXT' statement is executed?

• It is reset to its starting value.

• It is decremented by one.

• It is incremented by one.

• It is multiplied by a fixed value.

What is the primary benefit of packaging pieces of code into named functions (also called methods or subroutines)?

• It makes the code run faster.

• It allows for easier copying and pasting of code.

• It helps to compartmentalize and hide complexity, making code more manageable.

• It automatically fixes bugs in the code.

When defining a function like EXPONENT(BASE, EXP), what do BASE and EXP represent?

• Fixed values that cannot be changed.

• Variable names whose initial values are passed into the function from another part of the program.

• The names of other functions that will be called.

• Keywords that define the function's return type.

In modern programming, why is it common for functions to call other functions, and for programs to consist of thousands of smaller functions?

• It makes the code more difficult to understand for new programmers.

• It is a requirement of all programming languages.

• It allows for modularity, efficient teamwork, and managing complex programs by hiding internal complexities.

• It reduces the overall number of lines of code in a program.