How do you call a subroutine?

By using the variable it is assigned to in the code

By calling one of its local variables

Why are subroutines useful?

To avoid repeating code and reduce length

Only to reduce the number of memory used

Trick question: functions are always disadvantageous

Why are parameters useful?

It makes the subroutine more dynamic

It always makes the subroutine run faster

It makes the subroutine easier to call

It makes the subroutine easier to understand by the machine

How does a subroutine return data?

If its a procedure it depends on how it was coded, functions return values through a return statement

Through a text document created by the code

Into a variable generated by the function being called

How many values does a subroutine have to return?

As many as it is programmed to return

What is the maximum amount of parameters a subroutine can have?

As many as the amount of variables in the code

Can you create a subroutine in a subroutine in Python?

Not unless you define a parameter

Yes, they are called subsubroutines

How does a subroutine conserve memory

By reducing the number of lines of code needed

By reducing the number of global variables needed

By reducing the number of local variables needed

In what scenario could you use a subroutine?

To use a prewritten mathematical formula on a variable

To accurately predict the name of the user without and prior information given

How many local variables must be used in a subroutine?

As few or as many as you want to

As many as there are global variables

Less than the amount of global variables

Why does a subroutine need parameters

Trick question: they don't always need them

To give the subroutine instructions on how to function

To prevent it from gaining sentience

AQA GCSE Computer Science - 3.2.10 Subroutines

Authored by Mr Ling-Winston

Computers

8th - 10th Grade

Used 176+ times

AQA GCSE Computer Science - 3.2.10 Subroutines

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20 questions

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MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is a subroutine?

A named self-contained section of code that performs a specific task

Another name for pseudocode

A routine that has no connection at all to the main routine

A word used exclusively in movies to sound cool

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the difference between a function and a procedure?

Procedures just carry out instructions, functions always return values

Functions carry out instructions and procdures return values

Trick question: they are the same thing

Both always return values but in different data types

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Define a paramater

A variable named in the subroutine heading that uses values you give it

Instructions that stop functions from working if theyaren't followed by the user

Boolean logic used exclsuively in functions

An instruction that will return a value if it is followed through

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Define a local variable

A variable defined in a function

A variable declared at the beginning of the main program

A variable declared in the main program

A vaiable declared right at the end of the main program

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Define a global variable

A variable declared in the main program

A variable declared at the beginning of the main program

A variable declared in a function

A vaiable declared right at the end of the main program

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What makes a local variable special?

It can only be called in the subroutine it is declared in

The computer is unable to understand it without third-party software

Its value is unique to your LAN

Trick question: it's the same as a global variable

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is an advantage of using a local variable?

The function can be used with different variables for the same purpose

The code is harder to disrrupt

It's easier for the user to call back to it outside the function

Trick question: local variables are useless

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