Menu

Input Output interfacing Questions

MCQ
1.
 How many types of Interfacing?
forum Discussion
MCQ
2.
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?
forum Discussion
MCQ
3.
Which of the following are known as Higher Address Bus?
forum Discussion
MCQ
4.
 In which mode, the CPU periodically reads an internal flag of 8279 to check whether any key is pressed or not with key pressure?
forum Discussion
MCQ
5.
 What is true about Encoded Mode?
forum Discussion
MCQ
6.
 Which pin is used to blank the display during digit switching?
forum Discussion
MCQ
7.
Which mode allows 8/16 character multiplexed displays to be organized as dual 4-bit/single 8-bit display units?
forum Discussion
MCQ
8.
DMA stands for?
forum Discussion
MCQ
9.
Which of the following is not true features of 8257?
forum Discussion
MCQ
10.
What is correct range of frequency for 8257?
forum Discussion
Page 1 of 2Next chevron_right