Computers have modular designed motherboards - NSC Information Technology - Question 2 - 2018 - Paper 2

A common device that can be plugged in is a USB keyboard.

The primary purpose of RAM (Random Access Memory) is to hold data and instructions that the CPU needs to process. It allows for quick read and write access, which significantly speeds up the performance of a computer.

CPU cache memory is a small amount of high-speed memory located within or next to the CPU. It stores frequently accessed data and instructions, which allows the CPU to retrieve them faster than from the main RAM. This reduces latency and improves overall processing speed, enabling more efficient multitasking and application performance.

Multiprocessing refers to the ability of a computer system to support multiple processors or cores running simultaneously. This allows for the execution of multiple programs or threads at the same time, enhancing performance and enabling tasks to be processed more efficiently.

1. Always on functionality allows users to stay connected at all times.
2. Availability of communication through various applications enhances connectivity and social interaction.

1. Limited battery life restricts usage time for mobile devices.
2. Small screen size can hinder user experience and content visibility.

1. SSDs have no moving parts, making them more durable and less prone to damage from drops or shocks.
2. They offer faster boot times and data access speeds than traditional hard drives, enhancing overall device performance.

A cloud application is software that runs on servers accessed over the Internet rather than on a local computer. This model allows users to utilize the software from any device with Internet connectivity.

1. SaaS software is typically rented rather than purchased, which reduces upfront costs and eliminates the need for manual updates.
2. Users can access the application from multiple devices without needing to install it on each one.

A significant disadvantage is that the service provider could go out of business, potentially leading to loss of access to data and services.

1. Virtualization allows the splitting of resources from powerful machines among multiple users, optimizing resource allocation.
2. It enables the combination of resources from several machines into one powerful virtual machine, increasing computational efficiency.

An online digital media repository is a storage location used exclusively for digital content such as music, images, and videos accessed via the internet.

1. It centralizes access to multimedia content, providing ease of use for users.
2. It offers a secure and organized storage option for digital files.

One reason is that online backup services provide off-site storage, protecting data from local disasters such as theft, fire, or flooding.