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Section 1 of 2
Problem Solving 01
Formal assessment on work covered in the first half of Problem Solving from Edexcel GCSE Computer Spec
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Muji
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50
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Class
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1.
11m/Cp1
2.
11m/Cp2
3.
11m/Cp3
4.
11n/Cp1
5.
11n/Cp2
6.
11p/Cp1
7.
11p/Cp2
8.
10B/Cp1
9.
10C/Cp1
10.
09D/Cp1
11.
09D/Cp2
12.
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Section 2 of 2
Assessment
1. What is an algorithm?
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A set of step-by-step instructions
Software that analyses data
A hardware device that stores data
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2. Where are algorithms used?
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Algorithms are used in many different areas where instruction sets are needed
Algorithms are only used by computers
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3. What is a variable?
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Data that is stored in a memory location, that cannot be changed
Data that is stored in a memory location, that can be changed
Data that is produced by a computer, that cannot be changed
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4. What is a bubble sort?
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An algorithm that sorts a list of numbers into the correct order
An algorithm that finds the highest number in a list
An algorithm that finds the lowest number in a list
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5. What is pseudocode used for?
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To program every piece of software
To plan algorithms using a specific programming language
To plan algorithms using plain English
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6. What shape represents a decision in a flowchart?
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A diamond
A rectangle
An oval
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7. What shape represents a process in a flowchart?
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A parallelogram
A rectangle
A diamond
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8. What is syntax?
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A way to plan algorithms in plain English
The set of rules about how to use a particular programming language
The structure used to create a flowchart
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9. What happens if you type a statement incorrectly into a programming language?
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Nothing will happen
The program will correct it
You will get a syntax error
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10. When is an expression used?
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To create an algorithm
In a statement when working with values
To debug a program
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11. How do algorithms decide which order to do things in?
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Control flow
Selection
Decision boxes
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12. Which of the following is not a method of control flow?
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Iteration
Selection
Decision
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13. Which programming construct allows an algorithm to repeat instructions?
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Selection
Repetition
Iteration
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14. Which of the following instructions allows a program to search a list of options and make a decision?
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IF
SELECT
CASE
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15. Which method of iteration should not result in an infinite loop?
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FOR loop
REPEAT loop
WHILE loop
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16. Which method of iteration may result in the iteration never actually occurring?
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FOR loop
REPEAT loop
WHILE loop
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17. Which method of iteration repeats until a condition is met?
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FOR loop
REPEAT loop
WHILE loop
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18. Which method of iteration repeats a specified number of times?
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FOR loop
REPEAT loop
WHILE loop
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19. Which of the following statements is a sensible method of representing two choices?
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CASE
IF THEN ELSE
WHILE loop
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20. Which of the following pseudocode statements does not allow a program to iterate five times?
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FOR count in the range 0 to 5
FOR count in the range 1 to 5
FOR count in the range 2-6
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