07-12-2012, 03:02 PM
WORKSHOP ABOUT HARDWARE(MANUFACTING)
HAREWARE.pptx (Size: 1.57 MB / Downloads: 32)
SOFTWARE'S CLASSIFICATIONS
BIOS collection of i\o devices
OS interfaces hardware & software takes care of users
Application programs or packages
MAIN HARDWARE PARTS
SMPS
MOTHER BOARD
RAM
HARD DISK
PROCESSOR
SMPS
It is used to give continous d.c supply with out any interruption
In olden days there are at style SMPS
Now a days we are using atx style SMPS
It converts 230v-50hz , 110v-60hz ac supply to d.c 12v , 5v, 3.3v
ATX STYLE
It consist of 24 pin connector for mother board (push button switch)
Also it consist of 4 pin molex connector to give power supply to hdd , dvd , and other devices
And 4pin mini connector are used to give power supply to fdd
For both connector +5, -5, -12, +12, +3.3, -3.3.
molex mini
8088 PROCESSOR
8088 - 4.77mhz speed ,8bit.
It has less cache memory, does not support multi programming
But it is a powerful processer handling interrupt support for high speed peripheral's
Max RAM 640kb