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This section includes 10 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. |
Another way to connect devices to a shared data bus is to use a ____________ |
A. | Circulating gate |
B. | Transceiver |
C. | Bidirectional encoder |
D. | Strobed latch |
Answer» C. Bidirectional encoder | |
2. |
To keep output data accurate, 4-bit series-in, parallel-out shift registers employ a ____________ |
A. | Divide-by-4 clock pulse |
B. | Sequence generator |
C. | Strobe line |
D. | Multiplexer |
Answer» D. Multiplexer | |
3. |
Which is not characteristic of a shift register? |
A. | Serial in/parallel in |
B. | Serial in/parallel out |
C. | Parallel in/serial out |
D. | Parallel in/parallel out |
Answer» B. Serial in/parallel out | |
4. |
Which type of device may be used to interface a parallel data format with external equipment’s serial format? |
A. | UART |
B. | Key matrix |
C. | Memory chip |
D. | Series in Parallel out |
Answer» B. Key matrix | |
5. |
A 74HC195 4-bit parallel access shift register can be used for ____________ |
A. | Serial in/serial out operation |
B. | Serial in/parallel out operation |
C. | Parallel in/serial out operation |
D. | All of the Mentioned |
Answer» E. | |
6. |
Ring shift and Johnson counters are ____________ |
A. | Synchronous counters |
B. | Asynchronous counters |
C. | True binary counters |
D. | Synchronous and true binary counters |
Answer» B. Asynchronous counters | |
7. |
TO_KEEP_OUTPUT_DATA_ACCURATE,_4-BIT_SERIES-IN,_PARALLEL-OUT_SHIFT_REGISTERS_EMPLOY_A?$ |
A. | Divide-by-4 clock pulse |
B. | Sequence generator |
C. | Strobe line |
D. | Multiplexer |
Answer» D. Multiplexer | |
8. |
Another_way_to_connect_devices_to_a_shared_data_bus_is_to_use_a$ |
A. | Circulating gate |
B. | Transceiver |
C. | Bidirectional encoder |
D. | Strobed latch |
Answer» C. Bidirectional encoder | |
9. |
Which type of device may be used to interface a parallel data format with external equipment’s serial format?$ |
A. | Key matrix |
B. | UART |
C. | Memory chip |
D. | Series in Parallel out |
Answer» B. UART | |
10. |
A 74HC195 4-bit parallel access shift register can be used for |
A. | Serial in/serial out operation |
B. | Serial in/parallel out operation |
C. | Parallel in/serial out operation |
D. | All of the Mentioned |
Answer» E. | |