LCD revision

What is LCD stand for

• Light Crystal Display

• Light Common Display

• Liquid Card Display

• Liquid Crystal Display

The purpose of the variable resistor ( RV1 ) in the figure shown is :

• To control the intensity of the LCD

• To control the backlight brightness

• To control the supplied voltage

• To control the speed of data transfer

From the LCD library for arduino, choose the correct instruction for the following below:-

To set cursor to 5th Column and 2nd Row:

• lcd.setCursor(5,2);

• lcd.setCursor(2,5);

• lcd.setCursor(4,1);

• lcd.setCursor(1,4);

The number (16) in the name of the LCD 16*2 is representing :

• The number of Columns in the LCD

• The number of Rows in the LCD

• The supply voltage

• it is just a model number

The number (2) in the name of the LCD 16*2 is representing :

• The number of Columns in the LCD

• The number of Rows in the LCD

• The supply voltage

• it is just a model number

The code shown in the picture is to :

• print the letter "x" on the LCD

• print the value of the variable (x) on the LCD

• clear the LCD

• initialize the LCD

The instruction for setting the cursor to the 1st Row and 2nd Column is?

• lcd.setCursor(1,0);

• lcd.setCursor(0,0);

• lcd.setCursor(0,1);

• lcd.setCursor(2,1);

The code shown in the picture is to :

• start writing on the LCD

• Printing ( begin ) in the LCD

• initialize the LCD

• To include the library of the LCD

The name of the device shown in the figure is

• 7 segment

• LCD

• Arduino Board

• LED

The code shown in the picture is to

• Start writing on the LCD

• initialize the keypad

• Include keypad library

• Printing ( begin ) in the LCD