MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
An 8-bit serial in/serial out shift register is used with a clock frequency of 2 MHz to achieve a time delay (td) of ________ |
| A. | 16 us |
| B. | 8 us |
| C. | 4 us |
| D. | 2 us |
| Answer» D. 2 us | |
| 2. |
With a 200 kHz clock frequency, eight bits can be serially entered into a shift register in ________ |
| A. | 4 s |
| B. | 40 s |
| C. | 400 s |
| D. | 40 ms |
| Answer» C. 400 s | |
| 3. |
A serial in/parallel out, 4-bit shift register initially contains all 1s. The data nibble 0111 is waiting to enter. After four clock pulses, the register contains ________ |
| A. | 0000 |
| B. | 1111 |
| C. | 0111 |
| D. | 1000 |
| Answer» D. 1000 | |
| 4. |
What is meant by the parallel load of a shift register? |
| A. | All FFs are preset with data |
| B. | Each FF is loaded with data, one at a time |
| C. | Parallel shifting of data |
| D. | All FFs are set with data |
| Answer» B. Each FF is loaded with data, one at a time | |
| 5. |
The full form of SIPO is ___________ |
| A. | Serial-in Parallel-out |
| B. | Parallel-in Serial-out |
| C. | Serial-in Serial-out |
| D. | Serial-In Peripheral-Out |
| Answer» B. Parallel-in Serial-out | |