Q. When a key is pressed, a debounce logic comes into operation in

View solution

Q. The mode that is programmed using “end interrupt/error mode set command” is

View solution

Q. When a key is pressed, the debounce circuit waits for 2 keyboard scans and then checks whether the key is still depressed in

View solution

Q. The data that is entered from the left side of the display unit is of

View solution

Q. The FIFO status word is used to indicate the error in

View solution

Q. The flag that increments automatically after each read or write operation to the display RAM is

View solution

Q. If any change in sensor value is detected at the end of a sensor matrix scan, then the IRQ line

View solution

Q. Which of the following is not a mode of data transmission?

View solution

Q. If the data is transmitted only in one direction over a single communication channel, then it is of

View solution

Q. If the data transmission takes place in either direction, but at a time data may be transmitted only in one direction then, it is of

View solution

Q. In 8251A, the pin that controls the rate at which the character is to be transmitted is

View solution

Q. TXD(Transmitted Data Output) pin carries serial stream of the transmitted data bits along with

View solution

Q. The signal that may be used either to interrupt the CPU or polled by the CPU is

View solution

Q. The disadvantage of RS-232C is

View solution

Q. The USB supports the signaling rate of

View solution

Q. The bit packet that commands the device either to receive data or transmit data in transmission of USB asynchronous communication is

View solution

Q. High speed USB devices neglect

View solution