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Arduino Pcb1

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40 questions
Show answers
  • Q1
    Convert the Binary number (11010111000)2 to Hex?
    (6B8)16
    (8B6)16
    (D70)16
    (07D)16
    120s
  • Q2
    Convert the octal number (313)8 to Binary number?
    (1100100011) 2
    (11010011)2
    (1100010011) 2
    (11001011) 2
    120s
  • Q3
    Convert the decimal number (254) 10 to Binary number?
    (111111110) 2
    (11111110)2
    (1001010100) 2
    (1111111) 2
    120s
  • Q4
    How many bits are there in a Nibble?
    4
    1
    100
    8
    120s
  • Q5
    The number of Pulse Width Modulation (PWM) pins in an Arduino UNO board is?
    8
    32
    14
    6
    120s
  • Q6
    The correct instruction to make port D pins 1, 2, 4, 6 and 7 HIGH and other pins to LOW is?
    PORTD = B01101011;
    PORTD = B01100111;
    PORTD = B11010110;
    PORTD = B00101001;
    120s
  • Q7
    The instruction for setting the cursor to the 1st Row and 2nd Column is?
    lcd.setCursor
    LiquidCrystal.h
    lcd.begin
    lcd.print
    120s
  • Q8
    for(pos = 0; pos < 180; pos += 1) The function of this statement is?
    Move from 179 degrees to 0 degree, one degree at a time
    Move from 180 degrees to 0 degree, one degree at a time.
    Move from 0 degrees to 179 degrees, one degree at a time.
    Move from 0 degrees to 180 degrees, one degree at a time.
    120s
  • Q9
    The description of the LiquidCrystal library function is?
    Set up the dimensions of the LCD screen in rows and columns
    Set up the pins used to communicate with the LCD
    Set up the order of characters loaded on the LCD screen
    Set up the position of the cursor on the LCD screen
    120s
  • Q10
    The type of relay shown is?
    Question Image
    Single Pole Single Throw
    Double Pole Double Throw
    Single Pole Double Throw
    Double Pole Single Throw
    120s
  • Q11
    An H-bridge made up of four switches to control the direction of a motor is shown here. The position of switches required in the H-bridge to turn the motor clockwise is?
    Question Image
    S1(Closed) S2(Closed) S3(Closed) S4(Closed)
    S1(Open) S2(Closed) S3(Closed) S4(Open) #include <LiquidCrystal.h> The function of this Arduino code is
    S1(Closed) S2(Open) S3(Closed) S4(Open)
    S1(Open) S2(Closed) S3(Open) S4(Closed)
    120s
  • Q12
    #include <LiquidCrystal.h> The function of this Arduino code is
    // initialize the library with the numbers of the interface pins
    // Start LCD library
    // set up the LCD's number of columns and rows:
    // Print a message to the LCD.
    120s
  • Q13
    Refer the toolbar along the top of the main editor (IDE) and state the function of the button “verify”
    Question Image
    Opens a new sketch
    Saves the sketch and prompts for a name
    Checks sketches for errors.
    Opens the serial monitor in a new window
    120s
  • Q14
    Block of comments at the top of the sketches giving a description of what the sketch does, who wrote it etc. as listed below is known by the name
    Question Image
    Setup Code
    Comment Code
    Header Code
    Loop Code
    120s
  • Q15
    Choose the correct code modification required to increment the value of “ i” by 5 and print.
    Question Image
    i = i+++++;
    i = i5++;
    i = 5i++;
    i = i+5;
    120s

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