HARDWARE
physical equpment of computer
Input device
mouse
scanner
touch screen
touch paid
joystic
omr
ocr
bcr to read upc
light pen
micro phone
trak boll
web cemera
micr
biomatrics
stylus
processing device
cpu
procceror amd
ram
rom
smps
motherboard
output device
moniter
printer
plotter
speaker
utility device
performance tool – disk clean up disk defragment
antiviours
Keyboard
Key 104
Alpha
Numeric
Alpha+numeric employ address
Function key - F1 f12
Toogle key caps lock num lock
Modifier key shift ,ctrl , alt
Arrow button
Up down left right
Backspace
Delete from right
Delete
Delete from left
mouse
POINTER CURSER
right click proprites
left click selection
double click selection
moniter
monochrome
colour primary colour red green blue[rgb]
crt method
led / lcd
pixel
dot (pixel) pitch
difference btw two pixcel
.31
Less dot pitch more picture qyality
resolution
no of pixel
higher resolution higher picture quality
refresh rate
75 ghz
aspect ratio
normal 4 3
wide screen 16 10
active matrics display
do not scan screen
picture quality good
passive matrics display
scan screen
picture quality not good
hd tv
wide screen display than tv
tft
active pixcel
cpu
speed hz/ghz
MIND , brain of comtuter
alu
cu
memory
motherboard
ram rom
PRINTER
Ppm
DPI 1200
soft copy
hard copy
impact - INKJET
non impact – LASER
character printer -
line printer -
inkjet
tharmel
dotmatrics
modem
modulater demodulater
modulation analog to digital
demodulation digital to analog
Mother board
prosscer - p4 ,dulecopre
ram
rom
port [to connect external device]
midi,hdmi,s/pdif, irda ,ESP
expention slot
[where new chip is inserted ]
speakers
music
ups
provide power backup
raid
MASS STORAGE
collection of hard disk
large data processing
scanner
to make digital copy
omr
to check the answersheet of exam
ocr
scanner
FAX
IMAGE SEND ON TELEPHONE LINE
MFD
SCANNER+FAX+COPY+PRINTER
INTERNET TELIPHONE
VOIP
Floppy disk
fdd 1.44 mb [2 hd][ size 3 inch]
High capacity fdd 750 mb size 3 inch
flesh drive
camera
usb
1 to 64 gb
type of computer
CARD reader
magnatic card
passsing front of - atm
rfid
microchip
catch in the coverage area
Type of computer
Analog - wave
Digital – 0 1
Hyberd medical line alterasound machine
Size base
Mainframe comp
Speed less than super comp but fast process and large storage capacity
Reside in Ac
Insurance company
Mini - midi range comp
Refrigerater size
Uses for special purpose
Production department assembly line operation
Micro
Nano scond
Low processing
Mostly used
1 Decktop PC
2 Notebook LAPTOP
3 tablate pc
4 Handheld comp – pda smartphone
Super -
piko second 1000 time faster
research room size
ibm blue jin
physical equpment of computer
Input device
mouse
scanner
touch screen
touch paid
joystic
omr
ocr
bcr to read upc
light pen
micro phone
trak boll
web cemera
micr
biomatrics
stylus
processing device
cpu
procceror amd
ram
rom
smps
motherboard
output device
moniter
printer
plotter
speaker
utility device
performance tool – disk clean up disk defragment
antiviours
Keyboard
Key 104
Alpha
Numeric
Alpha+numeric employ address
Function key - F1 f12
Toogle key caps lock num lock
Modifier key shift ,ctrl , alt
Arrow button
Up down left right
Backspace
Delete from right
Delete
Delete from left
mouse
POINTER CURSER
right click proprites
left click selection
double click selection
moniter
monochrome
colour primary colour red green blue[rgb]
crt method
led / lcd
pixel
dot (pixel) pitch
difference btw two pixcel
.31
Less dot pitch more picture qyality
resolution
no of pixel
higher resolution higher picture quality
refresh rate
75 ghz
aspect ratio
normal 4 3
wide screen 16 10
active matrics display
do not scan screen
picture quality good
passive matrics display
scan screen
picture quality not good
hd tv
wide screen display than tv
tft
active pixcel
cpu
speed hz/ghz
MIND , brain of comtuter
alu
cu
memory
motherboard
ram rom
PRINTER
Ppm
DPI 1200
soft copy
hard copy
impact - INKJET
non impact – LASER
character printer -
line printer -
inkjet
tharmel
dotmatrics
modem
modulater demodulater
modulation analog to digital
demodulation digital to analog
Mother board
prosscer - p4 ,dulecopre
ram
rom
port [to connect external device]
midi,hdmi,s/pdif, irda ,ESP
expention slot
[where new chip is inserted ]
speakers
music
ups
provide power backup
raid
MASS STORAGE
collection of hard disk
large data processing
scanner
to make digital copy
omr
to check the answersheet of exam
ocr
scanner
FAX
IMAGE SEND ON TELEPHONE LINE
MFD
SCANNER+FAX+COPY+PRINTER
INTERNET TELIPHONE
VOIP
Floppy disk
fdd 1.44 mb [2 hd][ size 3 inch]
High capacity fdd 750 mb size 3 inch
flesh drive
camera
usb
1 to 64 gb
type of computer
CARD reader
magnatic card
passsing front of - atm
rfid
microchip
catch in the coverage area
Type of computer
Analog - wave
Digital – 0 1
Hyberd medical line alterasound machine
Size base
Mainframe comp
Speed less than super comp but fast process and large storage capacity
Reside in Ac
Insurance company
Mini - midi range comp
Refrigerater size
Uses for special purpose
Production department assembly line operation
Micro
Nano scond
Low processing
Mostly used
1 Decktop PC
2 Notebook LAPTOP
3 tablate pc
4 Handheld comp – pda smartphone
Super -
piko second 1000 time faster
research room size
ibm blue jin
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