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