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Types Of Computer Hardware – Optical Storage Devices and Media

The optical storage system began with optical discs popularly known as Compact Discs (CD) which were developed in 1990 based on optical laser technology. These were later superseded by the Digital Versatile Disc (DVD), and the Blu-ray Disc (BD). Optical discs are flat, round, portable strong plastic called polycarbonate. These discs are usually 120mm or 4.75 …

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Types Of Computer Hardware – Magnetic Storage Devices and Media

Magnetic storage system is one of the three main categories of storage technologies in use today. With magnetic storage systems, data is written by read/write heads, which magnetize particles on the surface of the medium to represent the data’s 0s and 1s. The particles always retain their magnetic arrangements until they are changed again, and …

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Types Of Computer Hardware – Audio and Video Input Devices

Audio and Video devices are devices that capture audio(sound) and/or images or video inputs, generating a signal that can be accessed by other devices. The input device may not necessarily produce a signal but just record the input onto a storage medium, an example of this would a camera. In other cases the input device, …

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The Role And Impact Of Information Technology On Everyday Life.

Collecting, storing, manipulating and sharing data and information has become easier for us today thanks to computers and telecommunication devices. Sometimes we barely notice the effects of ICT on our lives due to how integral it has become to our lives. It has impacted the way we live, work and play, both negatively and positively …

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Types Of Computer Hardware – The System Unit

Computer hardware refers to the collection of the physical elements that make up the computer system. The hardware of the computer is the tangible parts or components including the monitor, mouse, keyboard, motherboard, hard disk drive (HDD), memory (RAM), the central processing unit (CPU), etc. A combination of hardware and software make up the computer …

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