Josh – January Assessment
This assessment includes all areas covered to date. Please answer all questions fully – buttons have been provided to allow you to return to questions if needed. Where questions require a longer answer or essay, these will be graded with feedback after your assessment.
There is a time limit of 90 minutes for this assessment and all answers will be automatically submitted after 90 minutes if not already done.
You will require a pen & paper for this assessment – any additional notes must be scanned and emailed to your tutor within 30 minutes of submitting your assessment.
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Academic honestly policy applies to all assessments.
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Question 1 of 22
1. Question
1 point(s)Category: KS5 Data RepresentationAn AND operation with the mask 10110110 is applied to the binary number 01011010.
Show the result
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10110110 01011010 AND --------- ----------
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Question 2 of 22
2. Question
1 point(s)Category: KS5 Stacks and QueuesThe temperatures of a tropical fish tank are input into a computer system. They are passed onto a microprocessor in order so that a heater can be adjusted.
The data for one hour is below:
37.2, 38.5, 37.9, 38.1, 40.3, 38.6, 37.5The data is to be stored in a data structure. The programmer stores the data in a queue.
As each item is passed to the microprocessor, it is removed from the queue. The queue uses dequeue() to return the first element of the queue.
dequeue() is a function.
Explain why dequeue() is a function, not a procedure.
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This response will be reviewed and graded after submission.
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Question 3 of 22
3. Question
6 point(s)Category: KS5 Trees & GraphsState the outcome of a depth first pre-order traversal of the tree below:
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Output = , , , , , , ,
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Question 4 of 22
4. Question
8 point(s)Category: KS5 Trees & GraphsA linked list is created from the tree below to create an alphabetical list. Complete the table showing the linked list
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DataItem Data nextPointer 0 Moggy 1 Bengal 2 Lion 3 Abyssian 4 Tiger 5 Bumese 6 Tortoishell 7 Savannah
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Question 5 of 22
5. Question
1 point(s)Category: KS5 Trees & GraphsThe diagram shown below is a graph representing plants within a garden that a bee visits. This visits are written as a computer simulation to identify a shortest path.
If arrows were added to this diagram, what type of graph would be represented?
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Question 6 of 22
6. Question
1 point(s)Category: A Level Computer ScienceWhich of the following describes a class in the Object Oriented programming paradigm?
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Question 7 of 22
7. Question
1 point(s)Category: Data RepresentationConvert the unsigned binary number 10110110 to denary.
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Question 8 of 22
8. Question
4 point(s)Category: KS5 Stacks and QueuesHow can computer systems have a POSITIVE impact on energy usage?
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Question 9 of 22
9. Question
4 point(s)Category: KS5 Stacks and QueuesHow can you reduce the environmental impact of your device(s)?
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Grading can be reviewed and adjusted.Grading can be reviewed and adjusted. -
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Question 10 of 22
10. Question
3 point(s)Category: KS5 Stacks and QueuesThe temperatures of a tropical fish tank are input into a computer system. They are passed onto a microprocessor in order so that a heater can be adjusted.
The data for one hour is below:
37.2, 38.5, 37.9, 38.1, 40.3, 38.6, 37.5The data is to be stored in a data structure. The programmer stores the data in a queue.
As each item is passed to the microprocessor, it is removed from the queue. The queue uses dequeue() to return the first element of the queue.
dequeue() is a function.
Complete the algorithm below to process the data in the queue and store the results in an array called processedData.
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processedData[0] = 0 firstDay = for count = 1 to 6 processedData[ ] = dequeue() – next count
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Question 11 of 22
11. Question
4 point(s)Category: KS5 Stacks and QueuesIn what ways are computing devices bad for the environment?
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This response will be reviewed and graded after submission.
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Question 12 of 22
12. Question
1 point(s)Represent the hexadecimal digit E as a binary nibble.
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Question 13 of 22
13. Question
5 point(s)Category: A Level Computer ScienceWhich of the following Python statements would correctly capture a user’s input?
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Question 14 of 22
14. Question
5 point(s)Category: KS5 Stacks and QueuesAs of 2018 what percentage of smartphones were being recycled?
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Question 15 of 22
15. Question
1 point(s)Why is Merge Sort considered more efficient than Bubble sort?
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Question 16 of 22
16. Question
4 point(s)3D printers are used to create physical outputs of a 3D model. What is the software called that is used to create these models?
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MAR
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PC
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CIR
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Accumulator
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MDR/MBR
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Question 17 of 22
17. Question
5 point(s)Category: GCSE Computer ScienceWhich of the following are characteristics of a database in Third Normal Form (3NF) in addition to being in 2NF?
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Score Total Student Avg OUTPUT
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Question 18 of 22
18. Question
10 point(s)Put the pseudocode for bubble sort into the correct order:
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Sorted = False #2nd
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NEXT n
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IF myArr[n] > myArr[n+1] THEN
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END WHILE
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Sorted = False
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FOR n = 0 TO LENGTH.MyArr -2 DO
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Sorted = True
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myArr[n] = myArr[n+1]
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WHILE Sorted == False DO
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temp = myArr[n]
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END IF
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myArr[n1] = temp
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Question 19 of 22
19. Question
1 point(s)Which program will output the sum of two input numbers?
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Question 20 of 22
20. Question
6 point(s)Category: A Level Computer ScienceExplain how you would alter your program in Task 3 to add a discount that increased by 10% for each additional phone or tablet up to a maximum of 50%.
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This response will be reviewed and graded after submission.
Grading can be reviewed and adjusted.Grading can be reviewed and adjusted. -
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Question 21 of 22
21. Question
1 point(s)Category: GCSE Computer ScienceWhich of the following items of data would be considered atomic?
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Question 22 of 22
22. Question
1 point(s)Fill in the blanks to complete the statement about memory & storage
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