A level systems 22 based

A level systems 22 based

10th Grade

49 Qs

quiz-placeholder

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A level systems 22 based

A level systems 22 based

Assessment

Quiz

Computers

10th Grade

Hard

Created by

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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