Sunday, May 24, 2020

COMPUTER HARDWARE

MEANING OF COMPUTER  HARDWARE


Computer hardware refers to the physical components of the computer that can be seen and touched. Computer hardware are grouped into categories.


CATEGORIES OF COMPUTER HARDWARE

´Input devices
´Processing devices
´Output devices
´Storage devices
´Communication devices

Input Devices

 

They are hardware components that are used to feed the computer with data. Examples; keyboard, mouse, scanner, joystick etc



PROCESSING DEVICES

´They are hardware components that manipulates data into meaningful information. Example is the CPU (AMD, Celeron, Pentium, Intel)



OUTPUT DEVICES

 

´They are hardware components that are used to display information from the computer to the user. Examples are monitor, printer, projector and speakers.



STORAGE DEVICES


´They are hardware components that are used to keep data and information from the computer for future use. Examples are hard disk, pen drive, CD, RAM, SIM card



COMMUNICATION DEVICES


´They are hardware components that are used to transmit information from one computer to another via a network. Examples are modem, router, satellite dish, telephone line