TECHNOLOGY 

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Computer Structure - Software for Computers
Now let's quickly review the various kinds of computer software that enable a computer to function.
There are several distinct types of computer software, including Applications, Apps, Utilities, and System Software.
Large software packages known as applications were first created to run on desktop computers; a keyboard and mouse are used to interface with the program. Examples of software include the Adobe Creative Suite, Microsoft Office Suite, and others.
The App is a more modern version of software. Apps are typically made with a touch screen in mind and have a smaller file size. Facebook, for instance, offers an app. To go along with its desktop application counterparts, Microsoft Office Suite also offers app versions of its program.
Small software applications like antivirus, scandisc, and defrag are examples of utilities. They are made to analyze, configure, optimize, and maintain a computer.
The operating system, which can be Windows 10/11, MacOS, ChromeOS, iOS, Android, or Linux, is the most crucial piece of software. We refer to this as system software.



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Computer Structure - Operating Systems
Software is required for the computer to function in addition to all the hardware and accessories. An operating system is the first component of required software.
This might be:
On a PC, Windows 10 or 11
If using a Mac computer, use MacOS. If you use a ChromeBook, use ChromeOS; if you use a tablet, use Android and iPadOS.
These appear to be comparable to the ones shown below. Both MacOS and Windows 11 are visible here.
We can see iOS running on an iPhone in the image below. Instead of use a mouse, the iPhone's operating system enables users to interact with the system by tapping on icons.

As you can see, the operating system offers a user interface through which you can carry out tasks using a variety of instruments known as programs or software.
One software program suite that enables you to produce documents, spreadsheets, presentations, and other types of files is Microsoft Office. Photoshop is an image editing application.


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Computer Structure - Applications & Apps
Applications are huge software packages that were initially intended to operate on desktop computers. A keyboard and mouse are used to interact with the application.
Applications such as the Adobe Creative Suite, which includes Photoshop, Premiere, and Word, Excel, and PowerPoint, and the Microsoft Office Suite are examples.

The program and its UI are made with the understanding that you use a keyboard and mouse to interact with the system.
An illustration of a desktop program is this one. A laptop could possibly be running this application.

The App is a more modern version of software. Apps are typically made with a touch screen in mind and have a smaller file size.

You use your finger to directly manipulate the screen with various finger motions, such as tapping, dragging, and pointing. This is taken into consideration when designing the interface, as larger icons allow you to tap on them with your finger.


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Computer Structure - Utilities
Utilities are small programs that are designed to configure, analyse, optimise or maintain a computer, such as antivirus, scandisk or defrag.
Windows comes pre-installed with Windows Defender which is an antivirus program.








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Computer Structure – Computer ‘s common terminology
The processor (CPU), graphics card (GPU), hard drive (storage), and RAM (memory) are the main components to know.
The central processing unit, sometimes known as the processor, is essentially the computer's brain. The majority of the computer's processing is done by it. The performance of the computer will be significantly impacted by the CPU's speed and number of cores.
The graphics card, also known as the GPU (Graphics Processing Unit), is especially crucial if you intend to use your computer for demanding graphical applications like graphic design, video editing, or gaming.
Everything that is on your hard disk is stored there. This covers everything, including your operating system, files, and images. Solid-state drives (SSDs), which are quicker and more dependable than conventional hard disk drives (HDDs), are used in a lot of computers nowadays. This is not to be confused with RAM (memory).
Computer short-term memory is called RAM (Random Access Memory). It speeds up the processing of information by temporarily storing data that the CPU uses on your computer. A smoother experience while running many applications at once is usually associated with more RAM.
In addition to a keyboard and mouse, the majority of current computers also have an integrated WiFi connection. But make sure you constantly verify what's included.



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computer Structure - Printer’s Common Terms
The standard unit of measurement for print speed is pages per minute (ppm). When printing in large quantities, a faster print speed is advantageous.

Print Quality: Most printers will produce acceptable text documents. A high print resolution printer—measured in dots per inch, or dpi—is what you'll need if you want to print high-quality images or graphics. improved DPI corresponds to improved print quality.
Color or Monochrome: A monochrome (black and white) printer can be all you need if you only need to print text documents. However, a color printer is required if you need to print color documents or images.
Printer Type: Inkjet and laser printers are the most often used varieties. Inkjet printers can print both text documents and high-quality images, and they are usually less expensive initially. Fast, large-volume printing is typically more affordable with laser printers.
Connectivity: Printers can be linked to your computer wirelessly via WiFi, Ethernet, or USB. Additionally, some more recent models allow mobile printing solutions like Google Cloud Print and Apple AirPrint.
Ink/Toner: Ink is used by inkjet printers, whereas toner is used by laser printers. While some printers use a single cartridge to print in every color, others use different cartridges for each color.


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Computer Structure - Netbooks
Netbooks are compact, reduced-size laptops. They are ideal for taking around because they are small, light, and reasonably priced, and they have less RAM and HDD capacity. Typically, the screens measure around 10". Take note of the size in relation to the ball point pen in the picture. Netbooks can run Chrome OS, Linux, or even Windows 10. These are excellent for traveling or working while on the go. They function well for email correspondence, social media surfing, and running conventional programs like Microsoft Office. Anything more processor-intensive, like the Creative Suite or some games, won't work well on these due to their restricted power. You will quickly run out of space if you have a large collection of music, documents, films, or photos on these computers because they too have limited capacity. The majority of these computers are compatible with cloud storage services like Google Drive and OneDrive.
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Computer Structure - Chromebook
A ChromeBook is a laptop or tablet that utilizes Google's Chrome Web Browser to execute web apps and runs the Chrome OS operating system. Fundamentally, Chrome OS is an operating system built on Linux that may be used with hardware that has ARM or Intel/AMD x86/64 CPUs. Because ChromeBooks are meant to be used online, you will always need to have an internet connection, whether you're at home, at work, at school, at college, in the library, or just simply out and about. Your ChromeBook can still work, albeit very slowly, without an internet connection. These computers cannot run traditional applications like Adobe Creative Suite, Microsoft Office, and many gaming genres. Google has created its own substitutes, though. You would utilize Google Docs in place of Microsoft Office. Innumerable other apps are available for download from the Google Play Store to help you with everything from social networking and communication to productivity.
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Computer Structure – Tablet Computers

Tablet Computers
Tend to be a cut down compact version designed with touch screens. The iPad, Microsoft Connect tablets, Surface tablets, Samsung Galaxy Tab, Amazon Fire, and many more are examples of them. Because they are small and easy to fit in your bag, these are perfect for traveling and bringing around. They offer an endless selection of apps that you can download straight to your tablet from the app store. These include simple graphics programs, games, and trimmed-down versions of Microsoft Office. They work well for email correspondence, social media surfing, video calls, and web browsing. Certain tablets that run Windows 10/11 can even run conventional software.









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Computer Structure - Hybrids
A hybrid device combines tablet and laptop technology. The Surface tablet from Microsoft is an illustration of a hybrid. These have removable keyboards and can be used as laptops. You can use the device as a tablet once the keyboard is detached; reattach it to use it as a laptop. These gadgets are typically lighter and smaller than conventional laptops, although they aren't always as powerful. You may download many apps straight into your hybrid device from the app store. These include simple graphics programs, games, and trimmed-down versions of Microsoft Office. They work well for email correspondence, social media surfing, video calls, and web browsing. If a hybrid computer is running Windows 10/11, it can even run traditional software.
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