MCQOPTIONS
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MCQOPTIONS
This section includes 8 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. |
Serial communication can be sped up by __________ |
| A. | Using silver or gold conductors instead of copper |
| B. | Using high-speed clock signals |
| C. | Adjusting the duty cycle of the binary information |
| D. | Using silver or gold conductors instead of copper and high-speed clock signals |
| Answer» C. Adjusting the duty cycle of the binary information | |
| 2. |
The serial format for transmitting binary information uses __________ |
| A. | A single conductor |
| B. | Multiple conductors |
| C. | Infrared technology |
| D. | Fiber-optic |
| Answer» B. Multiple conductors | |
| 3. |
In most applications, transistor switches used in place of relays? |
| A. | They consume less power |
| B. | They are faster |
| C. | They are quieter and smaller |
| D. | All of the Mentioned |
| Answer» E. | |
| 4. |
With surface-mount technology (SMT), the devices should __________ |
| A. | Utilize transistor outline connections |
| B. | Mount directly |
| C. | Have parallel connecting pins |
| D. | Require holes and pads |
| Answer» C. Have parallel connecting pins | |
| 5. |
What is the frequency of a clock waveform if the period of that waveform is 1.25sec? |
| A. | 8 kHz |
| B. | 0.8 kHz |
| C. | 0.8 MHz |
| D. | 8 MHz |
| Answer» D. 8 MHz | |
| 6. |
Internally, a computer s binary data are always transmitted on parallel channels which is commonly referred to as the __________ |
| A. | Parallel bus |
| B. | Serial bus |
| C. | Data bus |
| D. | Memory bus |
| Answer» D. Memory bus | |
| 7. |
The hexadecimal number (4B)16 is transmitted as an 8-bit word in parallel. What is the time required for this transmission if the clock frequency is 2.25 MHz? |
| A. | 444 ns |
| B. | 444 s |
| C. | 3.55 s |
| D. | 3.55 ms |
| Answer» B. 444 s | |
| 8. |
A serial subtractor can be obtained by converting the serial adder by using the _____________ |
| A. | 1 s complement system |
| B. | 2 s complement system |
| C. | 10 s complement |
| D. | 9 s complement |
| Answer» C. 10 s complement | |