Edexcel ICT Insider

1 State what is meant by 'ROM'. (1) ROM is meant by Read Only Memory which stores data permanently. 2 State what is meant by 'RAM'. (1) RAM is meant by Random Access Memory which cannot store data when it has now power. 3 Explain why increasing the amount of RAM in a system improves the user experience. (3) Increasing the amount of RAM in a system improves the user experience because adding more RAM can improve the performance of a computer system when the user is using multiple files or programs at the same time. It can also be useful to increase the amount of RAM when programs are updated, as the updates often include more complex features that require the use of more memory. 4 Describe what virtual memory is and why it is used. (2) When the computer system does not have enough space in RAM, the operating system creates a memory using an area of secondary storage. This memory is known as virtual memory. Virtual memory is used to simulate physical RAM by using hard dis...

1 State what is meant by the term 'application software'. (1) Application software or app allows users to produce a digital product, such as a presentation or image, or carry out specific tasks that are not related to the operating system. 2 State three types of utility software. (3) Backup utilities which creates a copy of files and programs. Disk defragmentation utilities which reorder the fragments of data so that they are stored as close to each other as possible. Compression utilities which reduce the original size of a file or set of files. 3 Describe the role of the operating system. (2) The role of the operating system is to maintain and operate the computer system. It enables application software to use the computer's hardware and other resources. 4 Explain why utility software allows the user to schedule backup processes. (2) Utility software allows the user to schedule backup processes because backup makes the data more secure. The backup files will be safe even...

1 State one benefit of using barcodes in a supermarket. (1) One benefit of using barcodes in a supermarket is that they make the checkout process faster and more efficient. Scanning barcodes is much quicker than manually entering product information, allowing for faster transaction times and reduced wait times for customers. This can help improve the overall shopping experience and customer satisfaction. 2 State one reason why small, built-in microphones are used in smartphones and laptops. (1) One reason why small, built-in microphones are used in smartphones and laptops is to enable users to make voice calls or record audio without the need for an external microphone. Built-in microphones are convenient and portable, allowing users to easily communicate or record audio on-the-go. 3 Explain why capacitive touch screens do not work when you are wearing woolen gloves. (1) Capacitive touch screens do not work when we are wearing woolen gloves because woolen gloves are non-conductor of ...