Below are some of the most common types of expansion cards. However, if you want to boost the performance of your computer or update the capabilities of an older computer, you can always add one or more cards. You may never need to add any PCI cards because most motherboards have built-in video, sound, network, and other capabilities. These are sometimes called PCI (peripheral component interconnect) cards.
Step 3 Execute the data and convert it into useful information. Step 2 Saves the data/instructions in its memory and utilizes them as and when required. Most computers have expansion slots on the motherboard that allow you to add various types of expansion cards. Any digital computer performs the following five operations: Step 1 Accepts data as input. Static electricity can be transmitted through the computer circuits, which can seriously damage your machine. Before touching the inside of the computer, you should touch a grounded metal object -or a metal part of the computer casing -to discharge any static buildup. If you decide to open the computer case and take a look, make sure to unplug the computer first. It sends power through cables to the motherboard and other components. In the screenshot below, you can see iOS running on an iPad.The power supply unit in a computer converts the power from the wall outlet to the type of power needed by the computer. Examples of mobile operating systems include Apple iOS and Google Android. Personal Computer (PCs-evolution of PCs, configurations of PCs, Pentium and Newer, PCs specifications and main. Mobile devices such as phones, tablet computers, and MP3 players are different from desktop and laptop computers, so they run operating systems that are designed specifically for mobile devices. (Types of computers) Analog& Digital & Hybrid Computers, General & Special Purpose computers, -Micro,Mini, Main frame and Super computers, Characteristics and area of Uses.
The operating systems we've been talking about so far were designed to run on desktop and laptop computers. For a more comprehensive list, you can visit MakeUseOf's list of The Best Linux Distributions. To learn more about different distributions of Linux, visit the Ubuntu, Linux Mint, and Fedora websites, or refer to our Linux Resources. However, most servers run Linux because it's relatively easy to customize. The advantages of Linux are that it is free, and there are many different distributions-or versions-you can choose from.Īccording to StatCounter Global Stats, Linux users account for less than 2% of global operating systems. This is different from proprietary software like Windows, which can only be modified by the company that owns it. Linux (pronounced LINN-ux) is a family of open-source operating systems, which means they can be modified and distributed by anyone around the world. Ans) (Various Storage Devices) Magnetic Disks, Hard Disk Drives, Floppy Disk, Zip Drive Optical Disks, CD, VCD, CD-R, CD-RW, DVD,DVD-RW, Video Disk, Blue Ray Disc, flashiness/ MMC Memory cards, Solid-Stat Drive (SSD), Ques 9). A GUI lets you use your mouse to click icons, buttons, and menus, and everything is clearly displayed on the screen using a combination of graphics and text.Ĭheck out our macOS Basics tutorial for more information. Modern operating systems use a graphical user interface, or GUI (pronounced gooey).
The three most common operating systems for personal computers are Microsoft Windows, macOS, and Linux. Most people use the operating system that comes with their computer, but it's possible to upgrade or even change operating systems. Operating systems usually come pre-loaded on any computer you buy. The operating system coordinates all of this to make sure each program gets what it needs. Most of the time, there are several different computer programs running at the same time, and they all need to access your computer's central processing unit (CPU), memory, and storage. Your computer's operating system ( OS) manages all of the software and hardware on the computer. Looking for the old version of this video? You can still view it here.