a) Highlights six hardware devices found inside the computers’ system unit. b) Briefly describe four classifications of printers based on their technology

      

a) Highlights six hardware devices found inside the computers’ system unit.
b) Briefly describe four classifications of printers based on their technology

  

Answers


Kavungya
a) Hardware devices found inside the computer’s system unit
- The CPU (Central Processing Unit) controls the processing of instructions.
- Hard Disk: It is a storage device inside the computer
- C.D/DVD Drive: It is a device that is used to read data from the CD or DVD
- Memory card (RAM): It is the physical memory inside the computer and is used to store
data temporarily.
- Sound and video card: The sound card enables the computer to output the sound to the
audio devices and video card controls the display of the computer screen

b) Classifications of Printers Based on their Technology
Dot matrix printers: Form characters from a matrix of dots produced by columns of pins in the
printing heard.
Ink Jet Printers. Print one character at a time,They form characters on paper by spraying in
from the tiny nozzles through an electrical field that arranges them to form characters on paper.
Band Printers. They utilize horizontal relating band containing characters and few harmers. The
characters are stripped by the hammer situated below the paper and the ribbon to create a line of
print.
Drum printers: Has a complex set of character engraved around circumference of each of the
printing position of the dram. The number of printing position across the drum equals the number
of position available across the page.
Kavungya answered the question on May 13, 2019 at 12:56


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