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Job Digest Computer and ICT ????????? ??????????? ????? ? ?????? ?????????

by Farhana Rahim on 2024-08-16 21:50:46 Last Updated by Farhana Rahim on2024-08-16 21:50:46

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????????? ??????????? ????? ? ?????? ?????????
(Computer Peripherals: Input and Output Devices)

# ???????? ??????? ?? ??????????? ???????? ????? Key ?????
# Keyboard ??????????? ????????? ?????? ??? ????
# F1-F12 ??????????? Function Key ???? (???? ??????, ?????? ?? ???? ???????? ???? Function Key
??????? ??? ??) (F1 Help, F5-Refresh, F6- Weblink, F2-Spelling Cheeking, F9- System Oplion, F12-Reboot)
# ????(Shift), ????????(Control), ??????(Alt) ??????? ?????? ???????? ???? ????
# ?????? ???????? ? ??????? ????????????? Key ???? ???- ???????????? Key ?
# ??-??????? ??? ???? 0-9 ??? ???, ?????, ???, ??? ??????? Key ?????? ???????? Keypad ??? ??? Keyboard- ? ???? ???????? Key ??????
# Keyboard- ?? ??????? ??? Arrow Key () ???? ?????? ?????? ????? ?? ??? ???
# ??-??????? ??????? ?????? ????? ???? ??????????? ????????? ??? ?????
# ???? ???? ????? ???????
# ????? ?????????????? ???? ?????????? (????) ?????
# ?????? ????? ???????? Scroll ??? ????
# ???? ???????????? ????? ???? ?? ????? ???? ?????
# OCR (Optical Character Recognition) ???? input device.
# OCR ?????? ???? ? ??? ????? ?????
# OCR ? ??? ????? ???????? ?????? ????????? ????? ??? ????? ?? ???? ??? ???? ??? ????? ???? ?? OCR ????? ?????
# ????? ??? ???, ????????? ???, ?????????? ?????????, ????? ??????? ???? ???? OCR ??????? ???
# ??????? ???????? ????????? ???? ??????? ?????? ? ???????? ??? OCR?
# OMR� ??? ???? ?????? ?? ??????? ?? ????? ??? (Mark) ????? ?????
# MCQ ???????? ????????? ?? ???? ???? ??? ???? ???? OMR ??????? ??? ???
# MICR (Magnetic Ink Character Reader)-?? ??????? ??? ???? ??? ????? ?? ???? ????
# MICR ????? ?????? ???? ??????? ???? ??? ??? ??? ????????? ???????? ???? ?????
# ???????? ?????? MICR ??????? ??? ???
# ???????? ?????? ??? ?????? ??????? MICR ????? ??? ??????? ??????????? ??????
# ????????? ??? ?????? ???? ?? ??????????? ???????????? ??????? ???????? ???? ???
# Seanner ???? input device.
# ????????? ?????? ?????? ??????? ????
# Adobe Photoshop ?? ??????? ??????? ?????? ???????? ???? ??? ????
# ?????????? (Digitizer)??? ???? ????? ??????, ?? ???? ??????, ???????, ???????, ????????? ??????? ??????? ??? ???? ??? ?????????? ??????? ??? ????
# ???????? ???? ???? ???????? ?????????? ??????? ??? ????? ????????????? ??????? ? ??????? ????
# ??????? ????????? ???? ????? ???? ????????? External input device.
# ???? ??? (Light Pen)?????????? ??????? ????? ????? ???, ??? ???????? ?????? ??? ????
# ???? ????? ????? ?????? ???? ?? ??? ????? ???? ????? ???? ????? ?? ???????? ?????? ???? ??? ??????????? ??????????? ???? ????? ?????
# ?????? ????? ???? ????????? ????? ???????
# ?????? ????? ?????? ????????? ??? ?????????? ?????? ????
# ????? ????? ? ??????????? ???????????? ???? ?????? ???? ?? Universal Product Code ???? ???????
# ? ???????? ???????? ??????? ???, ??????????? ??? ??? ????? ??????? ???? ???? ?????
# Punch Card Reader ???? ????????? ????? ???????
# Plotter ??? ???????? ?? ???? ????????? ???? ??????? ????? ????? ??????????
# ??????? ??????? ?? ??? ?? ????????? ???????? ???? ???? ???? ????? ????? ??? ??????? ??? ????
# ?????? ??? ?????- ?. ???????? ??????, ?. ????? ???????
# Monitor ???? Output device? ??? ??? ???????- ??????? ????? ????? ??? ?????? ?????? ?????? ??????? ???
# ????? ? ????? ??-
CRT- Cathod Ray Tube
LCD- Liquid Crystal Display
LED Light Emitting Diode
# ??????? ??? ??? ???? ? ??? ???????
# ?? ????? ???? ??????? ???? ?????? ??????? ???? ??? ???? ?? ?? ?? Blue, Green, Red (?????? ?? ???, ????, ???-???)
# ??????? ??? ?? ???????????? ????? ??????? ?? ???? ???? ??? ?? LCD ???????? ?????
# Printer ???? Output device.
# ??????????? ????? ????? ??????? ?????? ??????????
# ??????????? ???????? ??????? ??? ?? ?????? (DPI- Dot per inch)?
# ????????? ???? ?????? ???????
# ??????? ????? ??????????? ????? ?????- ?. ?? ????????? ?????????, ?. ??????? ?????????, ?. ????? ????????? ????????
# ????? ????????? ?????????? ??? ????? ???????????
# VDU stands for “Visual Display Unit.”
# VDU ???? ????????? ?? ???????? ????????? ?????? ?????? ??????????? ???????? ????
# VDU ????? ? ?????? ?????? ?????? ??????? ??? ???
# ??????? ?????????? ????? ???? ?? ??? CCD (Charge Coupled Device) ???? ???? ??? ?????
# CCD ??? ???? ???? ???????? ????? (Tiny Light Sensitive Diode) ?? ?????? ????????? ??????? ????
# CCD ?? ?? ???? ??????? ????? ???? ?? ????????? ??? ??? ????? ??????
# ?????? (USB= Universal Serial Bus) ??? ??????????? ?? ????? ???? (Firewire or IEEE-1394)-? ???? ??????????? ????? ?????? ???????? ????? ???????? ???? ??????? ??? ???
# ??????? ????? (Serial Port) ??? ????????????? (Parallel Port)? ???? ???? ???????? ???? ??????? ??? ???
# ?????? ????? ? ??? ???? ????? ????? ???? ?????????? ???? ?????
# USB 3.0 ?? ?? ??? ? ???????? ??? ??????
# ???????? (SCSI) ????? Small Computer System Interface ?? ????????? ????
# ????????????? ??? ????????? ??????????, ??? ????? ?? ???????, ?????????, ????-??, ????????? ??? ???????? ???????? ??????? ???? ?????? ??? ?????
# ?????????? ???? ?????????? ????????? ??? ????? ????????
# ??????? (Pixel) ?????? ?????? Picture Element- ?? ????????? ????
# ?? ??? (Dot Pitch) ?? ?? ??? ???? ??????????? (Dot Triad)???????? ???????? ?? ???????? ?????, ?????? ????????? ????? ?? ???????? ? ???????? ????
# ?? ????? ????????? ???? ?????? ??? ???
# ??????? ????? ?? ???????? ????????? ???? ??????? (Sharpness) ?? Resolution� ????
# Sereen ?? ????? ??????? ?? ???? ??????? ????? ??? ?? ???? ????? ????