AQA · GCSE · Computer Science

Paper 2 Computing concepts

19.1 · 2 marks Cyber security definition Define the term cyber security. 19.2 · 4 marks CAPTCHA and email confirmation security Explain how CAPTCHA and email confirmations could improve the security of the website. 16.1 · 2 marks Meaning of cyber security Define the term cyber security. 06.1 · 1 mark Meaning of hertz Define the term hertz. 07.1 · 1 mark Meaning of pixel Define the term pixel. 08.1 · 1 mark Meaning of hardware Define the term hardware. 08.4 · 1 mark Meaning of non-volatile memory Define the term non-volatile memory. 08.6 · 2 marks Purpose of secondary storage Explain why secondary storage is required in a computer system. 09.1 · 1 mark Meaning of software Define the term software. 09.2 · 1 mark Meaning of system software Define the term system software. 09.3 · 1 mark Meaning of application software Define the term application software. 13.4 · 2 marks Meaning of network protocol Define the term network protocol. 04.1 · 2 marks Meaning of the terms system software and application software Describe what is meant by the terms system software and application software. 13.1 · 1 mark Meaning of sample resolution Define the term sample resolution. 18.1 · 2 marks Meaning of relational database Define the term relational database. 18.2 · 1 mark Benefits of relational databases State one benefit of using relational databases. 07.2 · 4 marks Interpreter translation and execution Explain how an interpreter works.

AQA · GCSE · Computer Science

Paper 1 Computational thinking and problem-solving

02.2 · 1 mark Rest been defined as a constant Explain why rest could have been defined as a constant in the algorithm shown in Figure 1.

AQA · GCSE · Computer Science

Paper 2 Written assessment

05.1 · 4 marks Minimum file size for the recording calculation Calculate the minimum file size for the recording. Give your answer in megabytes. You should show your working. 07.1 · 1 mark Meaning of application software Define the term application software. 13.1 · 2 marks Meaning of computer network Define the term computer network. 10.0 · 6 marks Factors affecting CPU performance Explain how each of these factors affects CPU performance. 13.2 · 2 marks Firewall protection for a computer network Explain how a firewall can be used to improve the security of a computer network. 13.3 · 2 marks Authentication or MAC address filtering Authentication and MAC address filtering can be used to improve network security. Explain how one of these security methods works.