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In this article I will talk about computers and laptops. Computers and laptops are actively being used in the market by people of all walks of lives. I explained about different functions and types of computers too. A computer usually means desktop machine with a CPU box (also called PC), a monitor, keyboard and a mouse. Two companies manufacture them. Apple makes Mac, MacBook, iMac, while Microsoft is linked to PCs. The computer comes pre-loaded with an operating system. Mostly it comes with Windows operating system. Different operating systems can be installed on the machine. One of them is the Unix and Linex. Google operating system is also an option but it did not get famous due to lake of interest. A computer can be used in homes and offices. It can be used for running machines and different equipment for automated functions. A computer can be used for different operations. A common user uses it for reading newspaper, facbook, youtube, typing, printing or listing music. There are so many uses of a computer also known as PC (Personal Computer). In business, there are numerous uses of personal computers. Computers are built for non stop use (day and night). They have the ability to stay awake or can go to sleep after long inactivity. They get a little sluggish if turned on for a long time. Restarting a computer once in a while can improve its performance. If a desktop computer stays on for days and there is some electricity issues at any given time this can cause electrical problems making them unusable. To overcome such issues, uninterrupted power supply can be used. This device also known as UPS, runs with the help of batteries, can save it from dying as a result of bad lighting storm. In such situation, where there is a power loss, different components inside the PC can go bad. This includes power supply, motherboard, RAM and hard drive. Hard drive failure is the most common among all problems. When a hard drive goes bad in a PC, this is an indication of a big problem. People store documents, photos, videos, music, office files, business data, employee information, databases and programs on computers. The hard drive stores all this material. A hard drive failure could be software related or hardware oriented. The hardware issue is mostly complicated. A data recovery company can recover data from the broken hard drive. Computers are also famous for getting viruses especially Windows operating system. Normally a virus can be removed to make the computer usable but some viruses are programmed to make irreversible damage. These programs encrypt user data which is impossible to recover. Most of the facts mentioned above apply to laptops. Laptops are compact form of personal computers. The screen is built-in. The keyboard and trackpad is also built-in. The laptops are great computers for mobile use. They have disadvantages too. They need proper ventilation for heat otherwise they heat up and go bad. Laptops depend on batteries when there is no electricity but the good thing about them is, they can be used worldwide when it comes to electricity requirements. The most common issues in laptops are heat, battery, liquid damage and physical damage. They are great machines overall. Laptops use 2.5 inch hard drive compare to desktop computers which use 3.5 inch drives. Processors are mostly built-in in laptops, while in desktops they are removable. In this article, I explained a few facts about the daily used popular machines known as computers and laptops. I tried to show some basic facts about laptops and desktop computers. Written by Khan Mash A+, Apple certified with 25 years in IT support. Selling mac,repairing mac,laptop,hard drive,ipad
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