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1/31/2017 Quizzes ­ CPSC­1045­003 ­004 ­ Intro. to Web Programming ­ Langara College Question 1 (1 point)
Which of the following is a primary goal of functions? Data Abstraction
Confuse Students
Procedural Abstraction
Increase Complexity
Save Question 2 (1 point)
Which of the following statements best describes a function parameter. A vaule that cannot be changed by the
function.
A local variable whose value is set by code
oustide the function.
A special data type used only in functions.
A global variable accessible thorughout the
program.
Save Question 3 (1 point)
Given the following JS code:
var a;
function bar( b ) { var c; ...
}
function foo( d ) { var e; bar( e ); ...
}
Which varaibles are accessible within function foo? (Select all that apply). a b c d e Save Question 4 (1 point) Which of the following correctly describes what a funciton is or does? [Select all that apply] A function defines a local scope for its
variables.
A function is a value of type "function".
A function hides the complexity of an
algorithm behind a name.
A function is a small program that does a
computation with its input to produces an
output.
Save Question 5 (1 point) Which of the following accurately describe or are examples of "pure"
functions? [Select all that apply] https://d2l.langara.bc.ca/d2l/lms/quizzing/user/attempt/quiz_start_frame.d2l?ou=81452&isprv=&drc=0&qi=110631&cfql=0&dnb=0 1/2 1/31/2017 Quizzes ­ CPSC­1045­003 ­004 ­ Intro. to Web Programming ­ Langara College A function which has been "beautified" with
perfect indentation.
Math.sqrt( x )
A function that passes JSHint with no errors.
prompt( msg )
document.write( msg )
A function with no side­effects. https://d2l.langara.bc.ca/d2l/lms/quizzing/user/attempt/quiz_start_frame.d2l?ou=81452&isprv=&drc=0&qi=110631&cfql=0&dnb=0 2/2

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