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Paper 2 Revision

Authored by Pippa Lewty

Computers

10th Grade

Used 3+ times

Paper 2 Revision
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15 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

An algorithm to sort data is shown in the image. State the name of the sorting algorithm

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an example of a 'defensive design consideration'?

Comments or indentation in code

Syntax errors or Boolean operators

Iterative or final testing

Handling exceptions in programs

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Checking data input by the user meets specific criteria before processing is the definition for which key term?

Syntax error

Validation

Verification

Authentication

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

State the equivalent Boolean expression for this circuit diagram.

X = A OR (C AND NOT B)

Y = (C AND NOT B) OR A

A = (NOT B AND C) OR A

Z = (NOT B AND C) OR A

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Which flowchart symbol is used to signify an output?

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Pick all the statements that define a merge sort.

a divide and conquer algorithm

a list is repeatedly divided into smaller lists eventually containing just one item

two lists are merged together into four

each element is compared with the adjacent list

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Select all the characteristics of a binary search

Starts from the calculated middle position

if the item is not found, quarter of the data set can be discarded

the data set must be sorted first

algorithm repeats until the data item is found or no items are left to check

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