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AQA GCSE COMPUTER SCIENCE Paper 1 Computational thinking and programming skills – Python, Exams of Nursing

Walden UniversityNursing

AQA GCSE COMPUTER SCIENCE Paper 1 Computational thinking and programming skills – Python (8525/1B) ALREADY GRADED A+|100 QUESTIONS WITH 100%CORRECT ANSWERS

Typology: Exams

2025/2026

Available from 05/02/2026

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AQA GCSE COMPUTER SCIENCE Paper 1
Computational thinking and programming skills –
Python (8525/1B) ALREADY GRADED A+|100
QUESTIONS WITH 100%CORRECT ANSWERS
🔹 SECTION 1: Algorithms (Q1–Q15)
Q1. What is an algorithm?
A: A step-by-step process to solve a problem.
Q2. What is decomposition?
A: Breaking a problem into smaller parts.
Q3. What is abstraction?
A: Removing unnecessary detail to focus on key aspects.
Q4. What is a flowchart?
A: A diagram showing steps in an algorithm.
Q5. What does a decision symbol represent?
A: A choice (yes/no).
Q6. What is a linear search?
A: Checking each item sequentially.
Q7. What is a binary search?
A: Searching a sorted list by halving it each step.
Q8. Requirement for binary search?
A: Data must be sorted.
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Download AQA GCSE COMPUTER SCIENCE Paper 1 Computational thinking and programming skills – Python and more Exams Nursing in PDF only on Docsity!

AQA GCSE COMPUTER SCIENCE Paper 1

Computational thinking and programming skills –

Python (8525/1B) ALREADY GRADED A+|

QUESTIONS WITH 100%CORRECT ANSWERS

🔹 SECTION 1: Algorithms (Q1–Q15) Q1. What is an algorithm? A: A step-by-step process to solve a problem. Q2. What is decomposition? A: Breaking a problem into smaller parts. Q3. What is abstraction? A: Removing unnecessary detail to focus on key aspects. Q4. What is a flowchart? A: A diagram showing steps in an algorithm. Q5. What does a decision symbol represent? A: A choice (yes/no). Q6. What is a linear search? A: Checking each item sequentially. Q7. What is a binary search? A: Searching a sorted list by halving it each step. Q8. Requirement for binary search? A: Data must be sorted.

Q9. Best case for linear search? A: Item found first. Q10. Worst case for linear search? A: Item last or not present. Q11. What is an array? A: A collection of elements of the same type. Q12. What is iteration? A: Repeating instructions. Q13. What is selection? A: Decision-making (if statements). Q14. What is sequence? A: Instructions in order. Q15. What is pseudocode? A: Structured description of an algorithm. 🔹 SECTION 2: Programming (Q16–Q30) Q16. What is a variable? A: A named value that can change. Q17. What is a constant? A: A value that does not change. Q18. What is input? A: Data entered into a system. Q19. What is output? A: Data produced by a system.

Q31. What is binary? A: Base-2 system. Q32. Denary 10 in binary? A: 1010 Q33. Denary 15 in binary? A: 1111 Q34. What is hexadecimal? A: Base-16 system. Q35. Hex uses which digits? A: 0 – 9 and A–F Q36. Binary for 8-bit 5? A: 00000101 Q37. What is overflow? A: Number too large for bits. Q38. What is ASCII? A: Character encoding system. Q39. What is Unicode? A: Extended character set. Q40. What is a bit? A: Single binary digit. Q41. What is a byte? A: 8 bits. Q42. What is resolution? A: Number of pixels in an image.

Q43. What is colour depth? A: Number of bits per pixel. Q44. What is sampling rate? A: Number of samples per second. Q45. Unit of sampling rate? A: Hertz (Hz) Q46. What is compression? A: Reducing file size. Q47. Lossy compression? A: Data lost permanently. Q48. Lossless compression? A: No data lost. Q49. Example lossy format? A: JPEG Q50. Example lossless format? A: PNG 🔹 SECTION 4: Computer Systems (Q51–Q70) Q51. What is CPU? A: Central Processing Unit. Q52. Role of CPU? A: Execute instructions. Q53. What is ALU? A: Performs calculations.

Q66. Example HDD? A: Magnetic storage. Q67. Example SSD? A: Solid-state storage. Q68. Optical storage example? A: DVD Q69. Magnetic storage example? A: Hard drive Q70. Solid-state storage example? A: USB flash drive 🔹 SECTION 5: Networks (Q71–Q85) Q71. What is a network? A: Connected devices. Q72. What is LAN? A: Local network. Q73. What is WAN? A: Wide network. Q74. What is the internet? A: Global network. Q75. What is a router? A: Directs data. Q76. What is a switch? A: Connects devices.

Q77. What is a NIC? A: Network interface card. Q78. What is bandwidth? A: Data capacity. Q79. What is latency? A: Delay in transmission. Q80. What is packet switching? A: Data sent in packets. Q81. What is IP address? A: Device identifier. Q82. What is MAC address? A: Unique hardware address. Q83. What is DNS? A: Converts domain to IP. Q84. What is URL? A: Web address. Q85. What is protocol? A: Rules for communication. 🔹 SECTION 6: Cyber Security (Q86–Q100) Q86. What is malware? A: Malicious software. Q87. Virus? A: Self-replicating malware.

Q100. Two-factor authentication? A: Two verification methods.