TECHNOLOGY 

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Computer Science - Printing and Scanning Device
Printers generate paper output and can be either directly linked to a single computer or connected to a network to serve multiple users. Scanners convert paper documents into digital representations, such as PDF or other image formats, for computer storage. Printing and scanning capabilities are frequently included within multifunction devices (MFDs).



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Computer Science - Web cameras
Users can take both still and moving pictures with web cameras, like the one below. These days, they are essentially necessary to participate in video conferences. While desktop computers need an external camera (which could be integrated into a monitor), laptops and smartphones typically come with built-in cameras.








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Computer Science - Uninterruptible Power Supply (UPS)
Uninterruptible power supply (UPSs) are crucial for delivering fault-tolerant power to systems. These devices possess substantial batteries that can sustain equipment operation after a temporary power interruption. UPS batteries generally have a duration of only a few minutes, necessitating alternate power sources during prolonged outages, such as diesel-powered generators.



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Computer Science - Installation And Configuration Of Peripherals
IT specialists are frequently requested to install peripherals for individual employees or for the entire business. The procedure for installing and configuring these devices varies significantly and can range from straightforward to fairly complex. The most basic gadgets employ a method known as plug-and-play (PnP) to facilitate user installation. As the name suggests, these devices are directly connected to the computer, and the operating system automatically configures them for optimal use.
Certain devices, especially specialized or obsolete ones, may necessitate manual installation. The crucial aspect is locating and installing a driver compatible with that device and your operating system. The driver is a compact software component that instructs the operating system on how to engage with the peripheral device. They are often located on the website of the peripheral manufacturer. Upon downloading the appropriate driver, you may pick it while configuring the new peripheral via the computer's operating system. Devices utilized by an entire office, such as a huge printer, generally do not connect to a single computer. Instead, they connect directly to the network and can subsequently be viewed and operated via an Internet Protocol (IP) network connection.

These devices generally possess web-based interfaces enabling administrators to configure, control, and monitor the device remotely. Connect to the web-based interface using a web browser on a computer linked to the same network, and the device will assist you in the configuration procedure.



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Computer Science -Optical Drives
Optical drives utilize lasers to inscribe data onto a detachable disc that may be stored independently from the computer system. These optical discs, exemplified in Figure 7.5, exist in numerous formats: Compact discs (CDs) were the initial optical storage medium, capable of storing up to 680 MB of data on a single disk. Digital video discs (DVDs) enhance storage density, permitting the accommodation of up to 17 GB of data on a single disk. Blu-ray discs (BDs) provide the greatest capacity among optical formats, enabling the storing of up to 128 GB of data on a single disk.


​Various categories exist for each type of optical media. Read-only CDs are manufactured with pre-recorded data that cannot be altered by users. Recordable discs enable users to inscribe data into them; however, this material is permanently retained and cannot be wiped or altered. Rewritable disks are erasable and can be reused following data recording. Optical drives rapidly rotate discs while employing a laser to read and write data. Consequently, optical drives, like to HDDs, exemplify spinning disk media.
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Computer Science – Enterprise Storage Services
Enterprise Storage Services Organizations typically do not wish to manage significant amounts of removable media or store data on drives connected to individual PCs. Instead, they prefer centralized business storage services, which store data in a single area and allow multiple users to access it.
Cloud Storage
Today, cloud storage services enable businesses to outsource storage, employing services offered by a vendor who controls storage resources and makes them available to users wherever they are located.
File Servers
Businesses that do not use cloud services may run their own centralized storage services to satisfy the needs of their employees. They frequently accomplish this by operating a file server, which is essentially a computer with a lot of storage loaded. The file server is located on the network, and users can access it from their own PCs. Network attached storage (NAS) systems are self-contained file servers that connect directly to a network and give users access to shared storage space.


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Computer Science – Keyboard and Mice
Peripheral devices like keyboards and mouse let you input data into a computer system. You can enter text and numbers with the keyboard, and you can move items and operate in a graphical user interface (GUI) with the mouse. For desktop computers, keyboards and mouse are essentially essential components. Although external keyboards and mouse are frequently integrated into laptops, many laptop users find that these full-sized devices are more user-friendly than the smaller ones that are included inside laptops.


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Computer Science – Display
Displays are essential for a computer to be functional for its users. The standard display is a monitor that enables the user to observe the computer's activities during interaction, as illustrated in Figure 8.2. Servers typically lack linked screens, whereas laptops and desktop computers require displays to be functional for users. Similar to keyboards and mouse, laptops are equipped with integrated displays; nevertheless, users frequently utilize bigger monitors on their workstations while operating their laptops in an office setting. Touchscreen screens are popular as they enable users to interact directly with the screen without the need for a keyboard or mouse. Based on business needs, computers may utilize alternatives to conventional displays for output presentation. For instance, PCs can be connected to smart televisions or projectors to present content to extensive audiences.


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Computer Science - Servers
There exists an additional kind of nonportable computers that warrants your attention. Servers are robust computers designed to perform a certain purpose. Companies may utilize servers for internal file sharing, internet hosting, database management, or several other services. It suffices to recognize that servers are robust computers usually located in specialized data centers designed to accommodate numerous servers in dedicated racks.


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Computer Science - Laptops
With the main advantage of being incredibly portable, laptop computers are remarkably comparable to the desktop computers that once occupied every office and cubicle. They consolidate all of the computer's parts, such as the keyboard, trackpad, and monitor, into a single unit that is portable. Additionally, laptops have batteries that enable them to function for hours without requiring an electrical connection. The power of a contemporary laptop can rival that of a desktop computer. The one drawback is that laptops are usually more expensive than desktop computers, and most laptop users also want a full-sized monitor on their desk, which raises the whole cost of their workspace.


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