055 - What is Computer Desktop

A Personal Computer (PC) is a desktop hardware device with operating system software used for personal tasks such as project, entertainment, education and for other purposes. PC are ideal for work at home and office. PC is a highly customizable, configurable and upgradable visual platform.

A personal computer (PC) is the common name for a type of computer that is most popular in offices and homes.

The first PC called the "IBM PC" was made by the company called IBM in 1981, although many computers were made before like the Commodore PET. 

Today, most PCs usually have a basic set of software called an operating system. The operating system is responsible for several tasks including providing an user interface (UI).

The most popular operating system on PCs is Windows, sold by Microsoft Corporation. PCs made by a company called Apple Inc. can use a different system of software called Mac OS that is sold by Apple Inc.

Many free operating systems are available. They are called Linux operating systems. There are over 300 different Linux "distributions". 

Each one has a different purpose. For most people using Ubuntu-Linux is the best choice because it is the easiest to use.

A modern PC has a minimum set of parts to be useful. The "Base unit" or "Tower" is the main part of the computer. A mouse and keyboard are used for input. 

A monitor and speaker is needed to view and hear for output. Inside the base unit or tower there are many electronic parts. The main parts are the motherboard, CPU, the Hard disk and memory.

The CPU follows the instructions in the operating system and application programs. The memory, or RAM, is for moving information quickly to and from the processor. 

The hard drive holds programs and data while the computer is powered off. Floppy drives, CD-ROM drives are used for storing information on removable disks.

Computers often have a modem to send and receive data over a phone line, or more recently, over cable television lines. Computers can also be connected to a computer network.

Modern PCs have various sockets called ports. The most common ports are known as USB ports.

Computers may be used for work, including doing research using the internet, keeping records; or writing documents. 

Other uses include communicating, with people across the world using Instant messaging, e-mail or recreation activity such as playing computer games.


01: Cost
- Less cost if compared to an equivalent laptop.

02: Portability
- Not portable. They are designed to be used in a single location.

03: Customized
- Can be customized anytime as required.

04: Occupied Space
- Large space consumption. Desktops are large in size and setups like a piece of furniture.

 05: Life Span
- Long Life span. Less likely to get damaged.

06: Power Usage
- High power consumption. Desktop computers are big in size having multiple components inside and monitor.

07: Assembling
- Setting up a desktop is a little bit hard, but it’s not difficult to connect everything together to start up a system and begin to use it.

08: Troubleshooting
- Repairing a desktop is much easier than laptop. Less maintenance cost.

09: Parts Replacement
- Most of the hardware can be easily purchased from the local market.

10: Upgrading
- Desktops have an advantage of easy access into the internal hardware, making it easier to upgrade several parts. You can buy and modify individual parts.

11: Processor
- Desktops are smoother and faster in performance because of its full size powerful processor.

12: For Gaming
- Desktops are capable of using high-powered video cards that provide supreme speeds and processing power.

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