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. |
If I CCH is specified as 1.1 mA when V CC is 5 V and if the gate is in a static (noncharging) HIGH output state, the power dissipation (P D ) of the gate is ________. |
| A. | 5.5 mW |
| B. | 5.5 W |
| C. | 5 mW |
| D. | 1.1 mW |
| Answer» B. 5.5 W | |
| 2. |
A certain gate draws 1.8 A when its output is HIGH and 3.3 µA when its output is LOW. V CC is 5 V and the gate is operated on a 50% duty cycle. What is the average power dissipation (P D )? |
| A. | 2.55 W |
| B. | 1.27 W |
| C. | 12.75 W |
| D. | 5 W |
| Answer» D. 5 W | |
| 3. |
A TTL NAND gate with I IH(max) of 40 A per input drives ten TTL inputs. How much current does the drive output source? |
| A. | 40 A |
| B. | 200 A |
| C. | 400 A |
| D. | 800 A |
| Answer» D. 800 A | |
| 4. |
A standard TTL circuit with a totem-pole output can sink, in the LOW state (I OL(max) ), ________. |
| A. | 16 mA |
| B. | 20 mA |
| C. | 16 A |
| D. | 20 A |
| Answer» B. 20 mA | |
| 5. |
A TTL NAND gate with I IL(max) of –1.6 mA per input drives eight TTL inputs. How much current does the drive output sink? |
| A. | –12.8 mA |
| B. | –8 mA |
| C. | –1.6 mA |
| D. | –25.6 mA |
| Answer» B. –8 mA | |