MCQOPTIONS
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MCQOPTIONS
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. | |
| 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 | |
| 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. | |