Level 6 - Review 2

Which function is used to move servo motor to a different angle?

• servo.Write(90);

• servo.move(90);

• servo.write(90);

• servo.Move(90);

for( int count = 10; count > 5; count-- )

{ blink_LED ( ); }

In the above program for how many times the LED will blink?

• 10

• 5

• 6

• 50

The range for PWM is

• 0 to 1023

• 0 to 180

• 0 to 255

• 0 to 360

Which function is used to display a message on LCD?

• lcd.write ("message");

• lcd.print ("message");

• lcd.clear ("message");

• lcd.begin ("message");

lcd.setCursor (0, 1) will move the cursor to

• First line and second position

• Second line and second position

• First line and first position

• Second line and first position

In a Micro switch, NC stands for

• Not common

• Normally closed

• Not closed

• Normally common

If the cathode of LED is connected to Ground and anode is connected to pin 12, which function should we use to make that LED glow?

• digitalRead( 12, HIGH);

• digitalWrite ( 12, HIGH);

• pinMode (12, HIGH);

• analogRead(12, HIGH);

if (digitalRead(0) == 1)

{ count = count + 5;

delay(500); }

How many times we have to press the switch to make the value of count as 55 if the starting value of count is 15?

• 11

• 10

• 9

• 8

if ( count <= 10 )

{ Serial.println ("hello");

count++;

delay(1000); }

How many times "hello" will be printed on the serial monitor if starting value of count is 11?

• 11

• 10

• 0

• None of the above

To display the value stored inside count, which function should be used?

• Serial.print("count");

• Serial.write("count");

• Serial.print(count);

• Serial.write(count);