Input devices

Question 1

what is the official name of the symbol dot

Answer 1

period

Question 2

what are the total number of keys in the keyboard

Answer 2

104

Question 3

how many numbers of keys in the number pad

Answer 3

17 keys

Question 4

mouses can only be used in

Answer 4

graphical user interface

Question 5

what are the two types of mouses

Answer 5

mechanical mouse and optical mouse . optical mouse uses laser beam technology.

Question 6

light pen works in

Answer 6

cathode ray tube display(CRT )

Question 7

what is the function of scanner

Answer 7

Used to convert hard copy to soft copy

Question 8

what is the full form of OMR

Answer 8

optical mark reader and its function is optical mark recognition

Question 9

what is the full form of MICR

Answer 9

Magnetic ink character reader function is magnetic ink reader recognition

Question 10

what is the full form of OCR

Answer 10

Optical character recognition - converts printed characters into digital codes

Question 11

what is the full form of BCR

Answer 11

bar code reader or bar code scanner- electronic device which used to scan and decode barcodes