Exam Paper questions

Analyse how the features of the two interfaces will affect the use and performance of the system?

1. Allow better use of space for Graphical. 2. Icons are easily recognisable 3. Search bar will save the time 4.Popular category will allow customers to quickly order something. 5. Can't easily navigate through. 6. quicker ordering times.

discuss how the hardware and layout in Figure 2 may affect the security of the system and the impact this may have on carters business?

1. Easy Physical access 2. The Terminal are close together allowing customers to look over each others shoulders. 3. As the PCs are under the table meaning easy access aswell. 4. Stealing of Hardware

What is one way Vanessa could provide an internet connection?

1. She could use her mobile data 2. Use her private hotspot 3.Use a Wi-Fi connection

Explain two reasons why the features of a mobile CPU make it suitable for Vanessa's system?

1. They use less power which will allow the device to have a longer life span before it needs to be charged. 2. They are also much more portable due to a small form factor.

What is the role of the kernal in controlling and managing system components and tasks in Shania's computer system?

1. To manage memory and other on/off functions. 2. Her computer is initialised by her kernel. 3. It dictates how the cpu should prioritise instructions and how many tasks it can do at a time. 4. The kernel is also responsible for security within the hardware layer meaning that software is not allowed to over-ride the kernel so long as there is no module. 5.It also decides how to store data which she has specifically set to collect data for manipulation.

Analyse the factors Angga would need to consider when implementing back up procedures for all his family devices?

1.Large amount of storage 2.Time of back-up 3. Mulitple back-ups 4. Update 5. Fail 6. Need to regularly updated

Describe how the CPU and GPU share work to improve computer performance?

CPU does all the processing of the game data such as it performs all the instructions and the calculations where as the GPU does all the rendering which means that the game can run smoothly and will reduce lag.

Explain one benefit of using FTP to transfer the files to the NAS?

It allows users to remotely access a shared file system as if they were directly connected.

Describe how lossy compression reduces the file size of video and audio files?

It uses run length encoding algorithm which groups together similar colours and makes them into one.

How can an internal component could be used by the system to determine the cyclists location

The system could use GPS to locate the cyclist. GPs uses satellites to triangulate posistion

Give 2 reasons why using Wi-Fi to connect to public hotspots may negatively affect the performance of the system?

These Wi-Fi signals are prone to interference and the signal will get weaker the greater the distance from the source.