AQA GCSE COMPUTER SCIENCE COMPREHENSIVE EXAM
2025/2026 QUESTIONS WITH ANSWERS RATED A+
✔✔Application Software - ✔✔computer software created to allow the user to perform a
specific job or task. eg. Word, Excel, browsers, games
✔✔Autoupdate - ✔✔A scheduled patch to software (usually system software) to ensure
that it is completely up to date with the latest features.
✔✔Firewall - ✔✔A security system consisting of a combination of hardware and
software that limits the exposure of a computer or computer network to attack from
crackers
✔✔Spyware - ✔✔A computer program which is installed without permission, sometimes
through a virus or sometimes as part of the installation of a program. It works by
collecting information and sending it back to another source. The information collected
could include the websites you have been visiting or what you have been downloading.
This can be used for marketing purposes but also for fraud.
✔✔Antivirus - ✔✔System software that is specifically designed to detect viruses and
protect a computer and files from harm
✔✔Computer Virus - ✔✔a software program capable of reproducing itself and usually
capable of causing great harm to files or other programs on the same computer
✔✔Computer Worm - ✔✔Self-replicating program designed to carry out some
unauthorised activity on a victim's computer. This software can spread themselves from
one computer to another without any assistance from victims.
✔✔Trojan - ✔✔A piece of software that appears to be a legitimate application, utility,
game, or screensaver that performs malicious activities surreptitiously
✔✔Phishing - ✔✔An attack that sends an email or displays a Web announcement that
falsely claims to be from a legitimate enterprise in an attempt to trick the user into
surrendering private information
✔✔CPU - ✔✔This is the 'brain' of the computer. This piece of hardware is responsible
for processing all of the instructions to manage both hardware & software.
✔✔Fetch-Decode-Execute Cycle - ✔✔This is the process that all Stored Program
Computers follow in order to run instructions within the machine.
Instructions are stored within main memory as a combination of both instruction & data.
2025/2026 QUESTIONS WITH ANSWERS RATED A+
✔✔Application Software - ✔✔computer software created to allow the user to perform a
specific job or task. eg. Word, Excel, browsers, games
✔✔Autoupdate - ✔✔A scheduled patch to software (usually system software) to ensure
that it is completely up to date with the latest features.
✔✔Firewall - ✔✔A security system consisting of a combination of hardware and
software that limits the exposure of a computer or computer network to attack from
crackers
✔✔Spyware - ✔✔A computer program which is installed without permission, sometimes
through a virus or sometimes as part of the installation of a program. It works by
collecting information and sending it back to another source. The information collected
could include the websites you have been visiting or what you have been downloading.
This can be used for marketing purposes but also for fraud.
✔✔Antivirus - ✔✔System software that is specifically designed to detect viruses and
protect a computer and files from harm
✔✔Computer Virus - ✔✔a software program capable of reproducing itself and usually
capable of causing great harm to files or other programs on the same computer
✔✔Computer Worm - ✔✔Self-replicating program designed to carry out some
unauthorised activity on a victim's computer. This software can spread themselves from
one computer to another without any assistance from victims.
✔✔Trojan - ✔✔A piece of software that appears to be a legitimate application, utility,
game, or screensaver that performs malicious activities surreptitiously
✔✔Phishing - ✔✔An attack that sends an email or displays a Web announcement that
falsely claims to be from a legitimate enterprise in an attempt to trick the user into
surrendering private information
✔✔CPU - ✔✔This is the 'brain' of the computer. This piece of hardware is responsible
for processing all of the instructions to manage both hardware & software.
✔✔Fetch-Decode-Execute Cycle - ✔✔This is the process that all Stored Program
Computers follow in order to run instructions within the machine.
Instructions are stored within main memory as a combination of both instruction & data.
