Topic 1 DEC40053

What is an embedded system ?

• A computer system that is used for general-purpose computing tasks.

• A special-purpose computer system that is designed to perform a specific task.

• A computer system that is designed to run operating systems.

• A computer system that is connected to the internet.

What is the file extensions that is loaded in a microcontroller for executing any instruction?

• .doc

• .c

• .txt

• .hex

Which of the following is an example of an embedded system used in the automotive industry?

• Anti-lock braking system (ABS)

• Microwave oven

• Smartwatch

• Virtual reality headset

What is the role of an embedded system in a home automation system?

• To control the lighting and temperature in a room.

• To provide security monitoring and alarm systems.

• To control home appliances such as refrigerators and washing machines.

• All of the above.

To make PORTB as an input PORT, we must place _______ in register _______

• 0X00 , TRISB

• 0XFF , TRISB

• 0X00, LATB

• 0X11 , LATB

There are total of ______ pins in the PIC18F4550.

• 36

• 18

• 30

• 40

Which of the following is not a logic operation in microcontroller ?

• AND

• OR

• XOR

• ADD

What is the result of the following logic operation in a microcontroller: 1010 AND 1100 = ?

• 1000

• 1110

• 0100

• 0110

Which of the following symbol is used to perform a logical OR operation in C programming?

• ||

• &&

• |

• &

Choose the right instructions to make pin RB0, RB2, RB4 and RB6 as an input port and the rest is output port.

• TRISB = 0b10101010

• TRISB = 0b01010101

• TRISB = 0b00000000

• TRISB = 0b11111111