A level systems 22 based

Quiz
•
Computers
•
10th Grade
•
Hard
Philip Gordon
Used 2+ times
FREE Resource
49 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the precondition for a binary search.
The array/data must be in order/sorted
The array/data must be unsorted
The array/data must be ascending sorted
The array/data must be descending sorted
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Describe how a linear search works. step 1 = Compare the search item with the ??? value
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
What is the time Big O notation for linear search
enter the value O(???)
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
The address of the parameter is passed, this is pass by ???
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
If the data stored in a parameter is to be allowed to change the original variable, this would be pass by ???
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify a drawback of global variables
Increases processor usage (as it is used until full program execution is over)
Variable doesn’t need passing as a parameter
You don’t need to return a value
Alterations within the function may have unwanted side effects elsewhere in the program.
Can be accessed from any function / anywhere in the program
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify a benefit of global variables
Increases processor usage (as it is used until full program execution is over)
Variable doesn’t need passing as a parameter
Variable does need passing as a parameter
You do need to return a value
Increases memory usage (as it is used until full program execution is over)
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