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

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

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

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Q. Which pin is used for the input clock of the counter0?

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Q. Which resource provides clock pulse to AVR timers if CS02-00=6?

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Q. On reset, what are the contents of the SREG register?

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Q. TIMSK register is used for?

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Q. Why RETI instruction is used after an ISR?

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Q. In AVR what is the ISR address for an external hardware interrupt?

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Q. What is the address in the interrupt service routine assigned for the timer0 overflow flag?

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Q. Is the same address is assigned for the timer0 and timer1 overflow flag in the interrupt vector table of the interrupts?

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Q. External hardware interrupts are assigned to which pins of the atmega32?

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Q. Which register is responsible for handling all the external hardware interrupts?

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Q. By default, INT0-INT2 interrupts are?

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Q. What will happen in that condition, if an interrupt occurs while the micro controller is serving any other interrupt?

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Q. What actually are the DB9, DB25 ports available in our computers?

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Q. What does RI handshaking signal refer to according to the RS232 logic?

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Q. What is the major difference between a MAX232 and a MAX233 device?

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Q. Which of the following is correct about the baud rate during serial transmission?

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Q. With fosc= 8 MHz, what will the count that has to filled in the UBRR register to account for the 9600 baud rate?

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