About various Computer hardware componentsA computer is nowadays used in every facet of our daily lives from business to personal communication. Although computer is a complex system built by assembling several components, having some knowledge related to these components can help in upgrading it easily. Each component has certain role in a PC that can be either internal or peripheral devices connected directly to the computer. Basically hardware components are devices designed for a specific purpose like inputting data or outputting data. Computer hardware components include monitor, CPU, keyboard, mouse, speakers, memory modules and external storage devices.

MonitorThe monitor is display of computer because all the pictures and videos are seen there. Earlier computer monitors were used as glass tube referred to CRT but new models incorporates flat screen or LCD screen to protect eyes from harmful radiations and display a crisper image.

KeyboardThe keyboard is an input device used to send input data to the computer. It can be connected to a computer by old style serial connection or newer version USB connector. Keyboard performs more than just providing a way to type data as it can also control audio and video such as DVD player.

MouseThe mouse is a standard component used mostly in a computer. A mouse is typically plugged in a computer’s USB port for easy working. A mouse has left, right and center wheel for easy navigation on the monitor. The center wheel is ascetically used to scroll pages up and down that can be documents or web pages.

Central Processing Unit (CPU)The Central processing unit is a brain of a computer. This computer hardware component performs all calculations and operations. It is dependable on the frequency of CPU as high it is, more powerful it will work. A powerful CPU can handle many tasks simultaneously and that too in quick process.

MemoryMemory is an internal component that connects with motherboard in slots. It comes in different sizes that can range from 512 MB to 16 GB and much more ahead in super computers. Mostly there are two slots in the computer motherboard for adding or upgrading the memory of a computer. It pose a great impact on the performance thus for smooth and fast applications every computer must get upgraded after some passage of time.

Hard Disk DriveThe hard disk drive is a storage component of a computer. It can store all data including files, documents, movies, games, pictures and many more. These disks come in various storage spaces and at a time multiple hard disks can be fitted if necessary.

Video CardThe video card is also known as graphics card to process images, videos, Games and much more that is displayed on the screen. Graphic cards are essential components for a computer that demands high graphics processing power like in gaming or video editing.

Sound CardA sound card is necessary if there is necessity of sound output from the computer. It can be either separate components or can be directly integrated on motherboard.