the optical _________ is the most common pointing device for desktop computers.

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Answer 1

The most common pointing device for desktop computers is the optical mouse.

An optical mouse is a pointing device that uses a light-emitting diode (LED) or a laser to track movement on a surface. It replaces the traditional mechanical ball mechanism of older mice, making it more accurate and reliable.

The optical sensor captures the reflection of light off the surface, allowing the mouse to track movement. The optical mouse is easy to use and is compatible with most computer systems.

It is also affordable and widely available, making it a popular choice for both personal and professional use. The optical mouse has become the standard pointing device for desktop computers and is an essential tool for navigating through software applications and browsing the internet.

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Layout view shows both the form and its data while allowing the form to be modified. T/F

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True

Layout view in Microsoft Access is a mode that allows users to see the form's layout while still being able to make changes to it. This view displays the form and its data, making it easy to customize the form's design and layout. It's an efficient way to make sure that the form looks and functions the way it's supposed to before it's published or distributed.

Using layout view, users can adjust the size and position of the form's controls, add or delete controls, and change the font, color, and style of the form's text. This feature is especially useful for users who want to create customized forms that meet their specific needs and preferences.

Overall, layout view is an essential tool that simplifies the form design process and ensures that the final product is visually appealing and easy to use.

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which impact does adding a layer 2 switch have on a network?

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Adding a Layer 2 switch to a network can have several positive impacts. First, it improves network segmentation by creating separate collision domains, reducing the chances of collisions and improving overall network performance. Second, it increases the scalability of the network by providing additional ports for connecting more devices without the need for extra hardware such as hubs.

Additionally, Layer 2 switches use MAC addresses to forward traffic, allowing for faster and more efficient data transmission compared to Layer 1 devices, like hubs. They also support VLANs, which helps in logically segregating traffic for better organization and security.

Furthermore, Layer 2 switches can use link aggregation to combine multiple physical links into a single logical link, enhancing redundancy and increasing bandwidth. This feature improves the network's fault tolerance and ensures a more reliable connection.

In summary, adding a Layer 2 switch to a network improves segmentation, increases scalability, enhances data transmission efficiency, supports VLANs for better traffic management, and provides redundancy through link aggregation. These improvements lead to a more reliable, secure, and high-performing network.

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printer output can at times differ from monitor display because of which reason

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Printer output can differ from monitor display due to differences in color profiles and resolution settings between the two devices.

The reason why printer output can sometimes differ from monitor display is primarily due to variations in color profiles and resolution settings. Monitors use RGB (Red, Green, Blue) color model to display colors, while printers typically use CMYK (Cyan, Magenta, Yellow, Black) color model for printing. These color models have different color gamuts, which means they can reproduce colors differently. As a result, the colors that appear on the monitor may not always match exactly when printed.

Additionally, monitors and printers may have different resolution capabilities. Monitors typically have higher resolutions, measured in pixels per inch (PPI), while printers have lower resolutions, measured in dots per inch (DPI). This difference in resolution can also lead to variations in the sharpness and detail of the output between the monitor and the printed document.

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