Arduino Pcb1

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40 questions
• Q1
Convert the Binary number (11010111000)2 to Hex?
(6B8)16
(8B6)16
(D70)16
(07D)16
120s
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• Q2
Convert the octal number (313)8 to Binary number?
(1100100011) 2
(11010011)2
(1100010011) 2
(11001011) 2
120s
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• Q3
Convert the decimal number (254) 10 to Binary number?
(111111110) 2
(11111110)2
(1001010100) 2
(1111111) 2
120s
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• Q4
How many bits are there in a Nibble?
4
1
100
8
120s
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• Q5
The number of Pulse Width Modulation (PWM) pins in an Arduino UNO board is?
8
32
14
6
120s
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• 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
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• Q7
The instruction for setting the cursor to the 1st Row and 2nd Column is?
lcd.setCursor
LiquidCrystal.h
lcd.begin
lcd.print
120s
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• 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
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• 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
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• Q10
The type of relay shown is?
Single Pole Single Throw
Double Pole Double Throw
Single Pole Double Throw
Double Pole Single Throw
120s
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• 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?
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
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• 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
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• Q13
Refer the toolbar along the top of the main editor (IDE) and state the function of the button “verify”
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
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• 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
Setup Code
Comment Code
Loop Code
120s
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• Q15
Choose the correct code modification required to increment the value of “ i” by 5 and print.
i = i+++++;
i = i5++;
i = 5i++;
i = i+5;
120s
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• Q16
An Arduino DC motor control instructions are shown below. Build and run, the result will be
The motor should turn on for 1 second
The motor turns on forever
Show errors while program build
120s
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• Q17
Arduino projects create programs in the Arduino development environment and then downloaded to the Arduino board. Select such an environment from the choices given?
Protel
EasyEda
Proteous
120s
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• Q18
void setup() {} void loop() {} the function of this do-nothing program is to
initialize variables
repeat the instructions
catch and flag syntax errors
clear out any old program
120s
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• Q19
An Arduino is a type of
CPU
PC
Microcontroller
Sensor
120s
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• Q20
The two types of input/output pins on an Arduino are
Open and Closed
Digital and Analog
Digital and Virtual
Real and Virtual
120s
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