Question: How many types of Interfacing?
Given Answer: A
Suggestion for Correct Answer:
Question: In which type of communication, the interface gets a single byte of data from the microprocessor and sends it bit by bit to the other system serially and vice-a-versa?
Given Answer: B
Question: Which of the following are known as Higher Address Bus?
Question: In which mode, the CPU periodically reads an internal flag of 8279 to check whether any key is pressed or not with key pressure?
Question: What is true about Encoded Mode?
Given Answer: D
Question: Which pin is used to blank the display during digit switching?
Given Answer: C
Question: Which mode allows 8/16 character multiplexed displays to be organized as dual 4-bit/single 8-bit display units?
Question: DMA stands for?
Question: Which of the following is not true features of 8257?
Question: What is correct range of frequency for 8257?