Q.1
Why are optoisolators normally used between the microcontrollers and the ULN2803?
  • a) to reduce the back emf
  • b) to increase the current
  • c) to increase the voltage
  • d) to optimize the current
Q.2
Which of the following bit/s of the status register that allows the microcontroller to operate in its low power mode?
  • a) CPU off
  • b) Z
  • c) N
  • d) Reserved
Q.3
To improve the efficiency of an MSPbased microcontroller, for one register
  • a) there are two values for each addressing mode
  • b) there is only one value for all addressing modes
  • c) there are 4 values for four addressing modes
  • d) there are 2 values for four addressing modes
Q.4
Which of the following is the basic functions of a timer?
  • a) it can control the compare, capture mode
  • b) it provided a time delay
  • c) it can act as a counter
  • d) all of the mentioned
Q.5
Which of the following is correct about WDTCTL?
  • a) it is guided against accidental writes that require a password
  • b) a reset will occur if a value with an incorrect password is written to WDTCTL
  • c) it is a 16 bit register
  • d) all of the mentioned
Q.6
What is the function of this instruction “WDTCTL = WDTPW | WDTCONFIG”, where **#define WDTCONFIG (WDTCNTCL|WDTSSEL)**
  • a) it configures and sets the watchdog timer
  • b) it stops the watchdog timer
  • c) it sets the watchdog timer
  • d) it configures and clears the watchdog timer
0 h : 0 m : 1 s