adplus-dvertising
frame-decoration

Question

Instruction CBI PORTB,1 means

a.

clearing the PORTB register

b.

clearing the first bit of the PORTB register

c.

setting the PORTB register

d.

setting the first bit of the PORTB register

Posted under Computer Architecture

Answer: (b).clearing the first bit of the PORTB register

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. Instruction CBI PORTB,1 means

Similar Questions

Discover Related MCQs

Q. Which of the following instruction can used to toggle a bit of the PORT?

Q. What is the main function of the SBIC instruction?

Q. In AVR micro controllers, ADD instruction affects the status of which of the following bits of a status register?

Q. ADC instruction is used for?

Q. AVR supports which of the following mentioned subtraction instructions?

Q. What steps are involved when we subtract two numbers present at two different locations?

Q. In executing subtraction based instructions, state the role of the C flag?

Q. Which of the following is correct about the MUL instruction?

Q. In AVR, when is the V flag set?

Q. To set the bits of a register R1 to 1, we must OR the contents of the register with?

Q. CP instruction alters the value of the register?

Q. What is right about the ROR instruction?

Q. In AVR, which of the following registers are not used for programming timers?

Q. What is the use of the prescalar in the operation of the timer?

Q. What modes are generally used in the operation of the timer0?

Q. Timer 0 can act as a counter

Q. Which of the timer can operate in the 16 bit condition?

Q. Which of the following will generate the maximum time delay?

Q. What is the difference in operation of a normal and a CTC mode of a timer?

Q. We can count the pulses on the positive or the negative edge triggered pulse of the clock?