Types Of Computer Hardware – Optical Storage Devices and Media

Optical disc

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 These were later superseded by the Digital Versatile Disc (DVD), and the Blu-ray Disc (BD)….

Read More »

Types Of Computer Hardware – Magnetic Storage Devices and Media

Hard Disk Drive

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…

Read More »

Types Of Computer Hardware – Storage Devices and Media

Storage Devices

Storage in computing refers to holding of information whether the computer is on or off. Storage involves the process of writing data to the storage medium and reading data from the storage medium. Two types of storage in…

Read More »

Types Of Computer Hardware – Processing Devices

CPU_Processing device

Processing devices are parts of the computer that are responsible for processing or converting data into meaningful information. There are many processing devices and the most common ones in a computer include the Central Processing Unit (CPU) and…

Read More »

Common Computer Problems – Computer Running Slow

Computer running slow

There are lots of problems that peoples’ computer suffer from as they use them. These may include computer  running slow, computer freezes, computer keeps restarting, computer blue screen, keyboard, mouse and other devices not working properly, and many…

Read More »

Types Of Computer Hardware – Audio and Video Input Devices

Headset_input device

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…

Read More »

Types Of Computer Hardware – Source Data Entry OR Scanning and Reading Input Devices

Scanning Device

In our previous posts we have been looking at types of input devices. We first looked at Keying or Text input devices where we discussed the keyboard as the main and most common keying input device. Our immediate…

Read More »

Types Of Computer Hardware – Pointing Input Devices


Pointing input devices enable the user to control a pointer on the screen to perform data input and send control signals to the computer. Common pointing input devices include the mouse, trackball, touchpad, pointing stick, joystick, touch screen…

Read More »

Types Of Computer Hardware – Input Devices


Input devices are hardware components or peripherals that are used to enter data or feed the computer with data for processing. Input devices are also used to send command signals or controls to the computer. Input devices take…

Read More »

Types Of Computer Hardware – Inside The System Unit

Inside Th System Unit

In our previous post we began a discussion on the computer hardware and the role it plays with the software to make the computer perform its functions. We also mentioned the different kinds or collections of hardware devices….

Read More »