Explore topic-wise MCQs in Microprocessors.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Microprocessors knowledge and support exam preparation. Choose a topic below to get started.

1.

The feature of mode 2 of 8255 is

A. single 8-bit port is available
B. both inputs and outputs are latched
C. port C is used for generating handshake signals
D. all of the mentioned
Answer» E.
Discussion
2.

The signals that are provided to maintain proper data flow and synchronization between the data transmitter and receiver are

A. handshaking signals
B. control signals
C. input signals
D. none
Answer» B. control signals
Discussion
3.

The level of the signal ERROR(active low) becomes low when the printer is in

A. Paper end state
B. Offline state
C. Error state
D. All of the mentioned
Answer» E.
Discussion