Subject :ICSO Class : Class 5
Identify the following.
- It is an input device that captures data formed by light and dark marks on specific positions of the paper.
- It requires a special printed paper that contains boxes or circles for shading.
- It translates the shaded marks into electrical signals based on the presence or absence of shaded marks.
A 
B 
C 
D 
Ans 1:
Class : Class 7
Looking at the question description looks like A - bar code reader. Dont know why B is the answer given
Ans 2:
Class : Class 8
It should be Ã
Ans 3:
Class : Class 6
It is Correct B is OMR reader.
Ans 4:
Class : Class 5
A