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GCSE Computer Science Review

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Students of Computer Science GCSE learn how computers work, how to write programs, and how data is represented and handled by applications in this course. Python programming language will be used by students to design and write programs.

GCSE Computer Science Review

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25 Questions

1. SQL Injection

Leaving an off-topic messages in an online community to upset someone.Causing public arguments with others online.This is where an attacker can execute malicious ________________________________ statements using software which controls a database management system.To transmit data …between at least two different networks.The further the device is from the WAP the weaker the signal will be ….so the lower the bandwidth will be.Objects such as walls and doors will reduce the signal strength. Other electrical devices could reduce the signal strength and interfere with the signal.

2. What is the purpose of a router?

3. You have a games console in your bedroom and a video streaming device in your lounge. You use both devices to watch movies. The Wireless Access Point is located in the lounge. You have found that you are able to stream movies at a far higher quality in the lounge than in your bedroom. Why is this?

4. What is trolling?

To transmit data …between at least two different networks.Leaving an off-topic messages in an online community to upset someone.Causing public arguments with others online.The further the device is from the WAP the weaker the signal will be ….so the lower the bandwidth will be.Objects such as walls and doors will reduce the signal strength. Other electrical devices could reduce the signal strength and interfere with the signal.This is where an attacker can execute malicious ________________________________ statements using software which controls a database management system.

5. Describe what is meant by memory management.

This is where an attacker can execute malicious ________________________________ statements using software which controls a database management system.Management/organisation of memory at the system level. Memory management is used to allocate free memory to programs that need it, and free up memory where it is not needed.Process of controlling the computer’s memory to optimise its system performance.The further the device is from the WAP the weaker the signal will be ….so the lower the bandwidth will be.Objects such as walls and doors will reduce the signal strength. Other electrical devices could reduce the signal strength and interfere with the signal.To transmit data …between at least two different networks.

6. What does WAN stand for?

This is where an attacker can execute malicious ________________________________ statements using software which controls a database management system.Wide Area Network.The further the device is from the WAP the weaker the signal will be ….so the lower the bandwidth will be.Objects such as walls and doors will reduce the signal strength. Other electrical devices could reduce the signal strength and interfere with the signal.To transmit data …between at least two different networks.

7. What is meant by the term ‘virtual network’?

A virtual network is part of a LAN or WAN ….which is configured so that only certain devices can see each other ….and is implemented using network virtualisation methods.This is where an attacker can execute malicious ________________________________ statements using software which controls a database management system.The further the device is from the WAP the weaker the signal will be ….so the lower the bandwidth will be.Objects such as walls and doors will reduce the signal strength. Other electrical devices could reduce the signal strength and interfere with the signal.To transmit data …between at least two different networks.

8. Windows is a commonly used operating system. What are two others?

LinuxMac OSThe further the device is from the WAP the weaker the signal will be ….so the lower the bandwidth will be.Objects such as walls and doors will reduce the signal strength. Other electrical devices could reduce the signal strength and interfere with the signal.This is where an attacker can execute malicious ________________________________ statements using software which controls a database management system.To transmit data …between at least two different networks.

9. What are two reasons why you may have chosen to use a Star network topology?

· They are very reliable. · If one connection fails it does not affect the rest of the network. · It is relatively easy to add additional devices onto the network. · It is relatively fast as each device has its own connection to the switch / server. · There are few data collisions. To transmit data …between at least two different networks.The further the device is from the WAP the weaker the signal will be ….so the lower the bandwidth will be.Objects such as walls and doors will reduce the signal strength. Other electrical devices could reduce the signal strength and interfere with the signal.This is where an attacker can execute malicious ________________________________ statements using software which controls a database management system.

10. denial of service attack

DoS attack - an attack designed to make a network or website fail by flooding it with useless network communicationsTo transmit data …between at least two different networks.This is where an attacker can execute malicious ________________________________ statements using software which controls a database management system.The further the device is from the WAP the weaker the signal will be ….so the lower the bandwidth will be.Objects such as walls and doors will reduce the signal strength. Other electrical devices could reduce the signal strength and interfere with the signal.

11. Explain the reason for 'What difference us a user likely to experience when upgrading from a b series router to an n series router?'

The further the device is from the WAP the weaker the signal will be ….so the lower the bandwidth will be.Objects such as walls and doors will reduce the signal strength. Other electrical devices could reduce the signal strength and interfere with the signal.To transmit data …between at least two different networks.The 5GHz frequency offers additional bandwidth over the 2.4GHz frequency. The 5GHz frequency is capable of carrying more non-overlapping channels which will result in less interference.This is where an attacker can execute malicious ________________________________ statements using software which controls a database management system.

12. What is meant by defragmentation?

This is where an attacker can execute malicious ________________________________ statements using software which controls a database management system.The process of physically organising the mass storage device into the smallest number of fragments.To transmit data …between at least two different networks.The further the device is from the WAP the weaker the signal will be ….so the lower the bandwidth will be.Objects such as walls and doors will reduce the signal strength. Other electrical devices could reduce the signal strength and interfere with the signal.

13. Password Systems

A username and password is used to confirm a user's identityThis is where an attacker can execute malicious ________________________________ statements using software which controls a database management system.To transmit data …between at least two different networks.The further the device is from the WAP the weaker the signal will be ….so the lower the bandwidth will be.Objects such as walls and doors will reduce the signal strength. Other electrical devices could reduce the signal strength and interfere with the signal.

14. Telephone (IVR) Phishing

When you receive a direct phone call from someone who pretends to be an official service.To transmit data …between at least two different networks.This is where an attacker can execute malicious ________________________________ statements using software which controls a database management system.The further the device is from the WAP the weaker the signal will be ….so the lower the bandwidth will be.Objects such as walls and doors will reduce the signal strength. Other electrical devices could reduce the signal strength and interfere with the signal.

15. Multitasking

To transmit data …between at least two different networks.Completing more than one task at once.This is where an attacker can execute malicious ________________________________ statements using software which controls a database management system.The further the device is from the WAP the weaker the signal will be ….so the lower the bandwidth will be.Objects such as walls and doors will reduce the signal strength. Other electrical devices could reduce the signal strength and interfere with the signal.

16. What is the encryption method used by web browsers to encrypt details of purchases?

This is where an attacker can execute malicious ________________________________ statements using software which controls a database management system.To transmit data …between at least two different networks.Secure Socket Layer/SSL.The further the device is from the WAP the weaker the signal will be ….so the lower the bandwidth will be.Objects such as walls and doors will reduce the signal strength. Other electrical devices could reduce the signal strength and interfere with the signal.

17. What is meant by a register?

18. What does DNS stand for?

Domain Name System.To transmit data …between at least two different networks.This is where an attacker can execute malicious ________________________________ statements using software which controls a database management system.The further the device is from the WAP the weaker the signal will be ….so the lower the bandwidth will be.Objects such as walls and doors will reduce the signal strength. Other electrical devices could reduce the signal strength and interfere with the signal.

19. DDOS

This is where an attacker can execute malicious ________________________________ statements using software which controls a database management system.This type of attack is known as a way of overloading a website with unwanted traffic.The further the device is from the WAP the weaker the signal will be ….so the lower the bandwidth will be.Objects such as walls and doors will reduce the signal strength. Other electrical devices could reduce the signal strength and interfere with the signal.To transmit data …between at least two different networks.

20. What is the purpose of embedded systems?

This is where an attacker can execute malicious ________________________________ statements using software which controls a database management system.To transmit data …between at least two different networks.To provide specific, pre-defined function which is cheaper than providing a personal computer system. It doesn’t include unnecessary features, can be made much smaller than a personal computer system, allows for a device to be automated / programmed.The further the device is from the WAP the weaker the signal will be ….so the lower the bandwidth will be.Objects such as walls and doors will reduce the signal strength. Other electrical devices could reduce the signal strength and interfere with the signal.

21. Automatic Software Updates

To transmit data …between at least two different networks.Keeping software up to date without intervention by the userThe further the device is from the WAP the weaker the signal will be ….so the lower the bandwidth will be.Objects such as walls and doors will reduce the signal strength. Other electrical devices could reduce the signal strength and interfere with the signal.This is where an attacker can execute malicious ________________________________ statements using software which controls a database management system.

22. Packet switching is used to send data on the internet. How does packet switching work?

This is where an attacker can execute malicious ________________________________ statements using software which controls a database management system.The further the device is from the WAP the weaker the signal will be ….so the lower the bandwidth will be.Objects such as walls and doors will reduce the signal strength. Other electrical devices could reduce the signal strength and interfere with the signal.· Data is split into individual packets · Each packet is given a packet number which shows the numerical order of the packet · The router reads the packet and sends it on to the next location · The receiving device will read the packet number and reassemble the data in the correct order · As the device reassembles the data from the packets if a packet is missing it will send an error message to the sending device requesting that the packet is resent · The sending device will resend the packet · Once all of the packet are received and reassembled the receiving device will calculate the checksum to ensure that none of the data has become corrupted · A confirmation message will be send from the receiving device to the sending device.To transmit data …between at least two different networks.

23. More and more automation is being introduced into the workplace such as in retail or manufacturing. What are the ethical, environmental and cultural impacts of this?

Job replacement Accuracy Increase use of electricityHealth issues Increased speedCheaper in the long runThe further the device is from the WAP the weaker the signal will be ….so the lower the bandwidth will be.Objects such as walls and doors will reduce the signal strength. Other electrical devices could reduce the signal strength and interfere with the signal.This is where an attacker can execute malicious ________________________________ statements using software which controls a database management system.To transmit data …between at least two different networks.

24. Why is using cloud computing useful to some businesses?

To transmit data …between at least two different networks.This is where an attacker can execute malicious ________________________________ statements using software which controls a database management system.Any user within the business will be able to load up the files on any device in any location as long as they have a data connection and the necessary permission.If they runs out of storage capacity it is easy to increase.All of the hardware and maintenance tasks will be performed by the cloud provider, they will not have a pay for specialist staff.The data will be automatically backed up.There is no large upfront cost, They will just have to pay a regular fee for the cloud services.The further the device is from the WAP the weaker the signal will be ….so the lower the bandwidth will be.Objects such as walls and doors will reduce the signal strength. Other electrical devices could reduce the signal strength and interfere with the signal.

25. What are three principles of the Data Protection Act?

The further the device is from the WAP the weaker the signal will be ….so the lower the bandwidth will be.Objects such as walls and doors will reduce the signal strength. Other electrical devices could reduce the signal strength and interfere with the signal.This is where an attacker can execute malicious ________________________________ statements using software which controls a database management system.Data must be collected and used fairly Data must only be held and used for the reasons which it was gatheredData can only be used for registered purpose Data held must be adequate, relevant and not excessiveData must be accurate and up to dateData cannot be kept for longer than necessaryData must be kept safe and secureData cannot be transferred outside of the EU unless they have a suitable DPA lawTo transmit data …between at least two different networks.

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25 Questions

❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | What Should We Know? Privacy | Terms |

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All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.

About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | What Should We Know?
Privacy | Terms |

Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com