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C777 (COMPUTER PROGRAMING) MULTIPLE CHOICE PRACTICE TEST A EXAM WESTERN GOVERNORS UNIVERSITY.
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C777 (COMPUTER PROGRAMING) MULTIPLE CHOICE PRACTICE TEST A EXAM WESTERN GOVERNORS UNIVERSITY.
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C777 (COMPUTER PROGRAMING)MULTIPLE CHOICE PRACTICE TEST A
EXAM WESTERN GOVERNORS
UNIVERSITY.
Which of the following will correctly call a JavaScript function without
error?
A) my Function("a")
B) my Function (;)
C) var my Function (1,2)
D) initiate my Function (3)
Verified Answer -my Function("a")
Consider the following code:
script
var v1 = "Blue";
function f()
{
var v1 = "Green";
alert (v1);
}
f();
alert(v1);
/script
,What is the expected result when this script is run in the browser?
A) Two alert boxes, the first displaying Green and the second displaying
Blue
B) Two alert boxes, both displaying the message Green
C) Two alert boxes, the first displaying Blue and the second displaying
Green
D) Two alert boxes, both displaying the message Blue
Verified Answer -Two alert boxes, the first displaying Green and the
second displaying Blue
Which statement about local variables is true?
A) If you declare a local variable, you cannot access its value from any
other function except the one in which it was declared.
B) If you declare a local variable, you can access its value from any
function or script block on that page.
C) If you declare a local variable, you cannot convert its value from a
string value into a number value, or vice versa.
D) You must omit the var keyword if you want to create a local variable.
Verified Answer -If you declare a local variable, you cannot access its
value from any other function except the one in which it was declared.
Consider the following JavaScript expression:
"3" + "3" = "33"
This code snippet is an example of:
A) concatenation performed on strings.
B) mathematical precedence perfromed on numbers.
, C) mathematical precedence perfromed on strings.
D) concatenation performed on numbers.
Verified Answer -concatenation performed on strings.
Which HTML5 API allows a Web program to run locally on a client system?
A) Canvas
B) AppCache
C) Drag-and-Drop
D) Geolocation
Verified Answer -AppCache
What is an application programming interface (API)?
A) Standards and programming instructions that enable access to a
software application
B) Programming languages that use the DOM for data manipulation
C) Universal commands for using markup languages developed by the
W3C
D) Functions that allow developers to communicate with a style sheet
Verified Answer -Standards and programming instructions that enable
access to a software application
Tyler wants to enhance his Web application by allowing users to continue
working when they are not connected to the Internet. Which HTML5 API
will enable him to do this?
A) The Offline AppCache API
B) The Geolocation API
C) The Drag-and-Drop API
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