MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In memory-mapped scheme, the devices are viewed as |
| A. | distinct I/O devices |
| B. | memory locations |
| C. | only input devices |
| D. | only output devices |
| Answer» C. only input devices | |
| 2. |
In 74LS245, if DIR is 1, then the direction is from |
| A. | inputs to outputs |
| B. | outputs to inputs |
| C. | source to sink |
| D. | sink to source |
| Answer» B. outputs to inputs | |
| 3. |
The chip 74LS245 is |
| A. | bidirectional buffer |
| B. | 8-bit input port |
| C. | one that has 8 buffers |
| D. | all of the mentioned |
| Answer» E. | |