Computer Hardware & Accessories
-Computer hardware is the physical components of a computer.They are needed by the computer to function.They are different from software,which consists of written instructions that tell the physical components what to do.
-There are internal and external components.
-Examples of the internal components are the mother board,power supply and the Central Processing Unit(CPU)
-Examples of the external components are the monitor,keyboard and mouse.
It is the main Printed circuit board of a computer.It houses the CPU and operates all other hardware .
It is for processing all information from programes run by the computer
It controls the voltage to prevent overheating issues
Is the physical hardware that stores data.It is the computers working memory
HARD DISK DRIVE
Is the main data storage device in a computer.It is non-volatile meaning it keeps it's data even when computer is off
VIDEO CARD9Graphics card)
Is an expansion card that enables the computer to send output images to a video display device such as a monitor.
SOLID STATE DRIVE
It is housed inside the computer as an alternative to traditional hard dis drive
OPTICAL DISK DRIVE
It uses laser light or electromagnetic waves to read or write data onto optical disks
Most computers have in built card readers to enable them to read data from memory cards which are portable electronic storage devices used for storing digital information
It displays the video and graphics information generated by the computer through the video card,also known as a screen
Is a type writer style device that enables users to interact with the computer
Is a hand held pointing device used to manipulate objects on a compute screen
Is an output device that generates hard copies of electronic data stored on the computer,usually in the form of text or image on paper
Are output devices used to listening to music,movies and the other audio
EXTERNAL HARD DRIVE
It contains to the computer USB port.They are portable thus one can carry amounts of data or transfer data between different computers
DESKTOP IMAGE SERVER
Is an input device that transfers images or texts to a computer using optical technology
Are external hardware devices that enable roomful people to experience visuals generated by a single computer
Is an input device used by a player to interact with a computer game
Are hardware devices used to listen to audio.They are usually plugged into a computer line out or the speakers.Enables one to enjoy listening to music or other private audio
Is portable data storage device.They have a moving parts making the durable
Dar es Salaam
Dar Es Salaam