LCD Module - MCQs with answers
1. What does the availability of LCD in 16 x 2 typical value indicate ?a. 16 lines per character with 2 such lines
b. 16 characters per line with 2 such lines
c. 16 pixels per line with 2 such sets
d. 16 lines per pixel with two such sets
View Answer / Hide AnswerANSWER: b. 16 characters per line with 2 such lines
2. Which control line/s act/s as an initiator by apprising LCD about the inception of data transmission by the microcontroller?a. Enable (EN)
b. Register Select (RS)
c. Read/Write (RW)
d. All of the above
View Answer / Hide Answer3. The display operations in LCD are undertaken on EN line with ______ a. 0 to 1 transitions
b. 1 to 0 transitions
c. both a & b
d. none of the above
View Answer / Hide AnswerANSWER: b. 1 to 0 transitions
4. When can a LCD display the text form of data ?a. only when RS line is high
b. only when RW line is high
c. only when RS line is low
d. only when RW line is low
View Answer / Hide AnswerANSWER: a. only when RS line is high