MCQOPTIONS
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MCQOPTIONS
This section includes 37 Mcqs, each offering curated multiple-choice questions to sharpen your Embedded Systems knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The pH can be kept constant with the help of? |
| A. | Saturated solution |
| B. | Unsaturated solution |
| C. | Buffer solution |
| D. | Non-Saturated solution |
| Answer» D. Non-Saturated solution | |
| 2. |
The pH is directly proportional to pKa? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
The pH of buffer solution depends upon concentration of? |
| A. | Strong acid |
| B. | Strong base |
| C. | Weak acid |
| D. | Salt |
| Answer» D. Salt | |
| 4. |
What is the H+ ion concentration in pure water? |
| A. | 1×107 m |
| B. | 1×10-7 m |
| C. | 1×1014 m |
| D. | 1×10-14 m |
| Answer» C. 1×1014 m | |
| 5. |
Which of the following is not a type of Basic buffer mixture? |
| A. | NH4OH |
| B. | NH4Cl |
| C. | H2CO3+Na2CO3 |
| D. | Glycine + Glycine hydrochloride |
| Answer» D. Glycine + Glycine hydrochloride | |
| 6. |
The pH of the solution is directly proportional to the carbonate concentration when added to the solution. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Which of the following determines the time to take a simple sample? |
| A. | buffer |
| B. | latency |
| C. | pointer |
| D. | memory |
| Answer» C. pointer | |
| 8. |
Which of the following possesses a problem for data streams on the real-time operating system? |
| A. | pointer |
| B. | memory |
| C. | latency |
| D. | processor |
| Answer» D. processor | |
| 9. |
Which of the following defines the earliest information that is passed through the buffer? |
| A. | buffer latency |
| B. | memory |
| C. | pointer |
| D. | peripheral |
| Answer» B. memory | |
| 10. |
THE_PH_OF_BUFFER_SOLUTION_DEPENDS_UPON_CONCENTRATION_OF??$ |
| A. | Strong acid |
| B. | Strong base |
| C. | Weak acid |
| D. | Salt |
| Answer» D. Salt | |
| 11. |
WHICH_OF_THE_FOLLOWING_DEFINES_THE_EARLIEST_INFORMATION_THAT_IS_PASSED_THROUGH_THE_BUFFER??$ |
| A. | buffer latency |
| B. | memory |
| C. | pointer |
| D. | peripheral |
| Answer» B. memory | |
| 12. |
The pH can be kept constant with the help of?$ |
| A. | Saturated solution |
| B. | Unsaturated solution |
| C. | Buffer solution |
| D. | Non-Saturated solution |
| Answer» D. Non-Saturated solution | |
| 13. |
Which of the following determines the time to take a simple sample?$ |
| A. | buffer |
| B. | latency |
| C. | pointer |
| D. | memory |
| Answer» C. pointer | |
| 14. |
The pH is directly proportional to pKa?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 15. |
Which of the following possesses a problem for data streams on the real-time operating system?$ |
| A. | pointer |
| B. | memory |
| C. | latency |
| D. | processor |
| Answer» D. processor | |
| 16. |
Refer to Q13 and Q14, and an additional 0.012 moles of NaOH is then added. What is the pH? |
| A. | 8.44 |
| B. | 8.40 |
| C. | 8.54 |
| D. | 8.50 |
| Answer» D. 8.50 | |
| 17. |
Which of the following possesses an issue while concerning the memory size of the buffer? |
| A. | digital signal processor |
| B. | microprocessor |
| C. | memory |
| D. | pointer |
| Answer» B. microprocessor | |
| 18. |
Refer to Q13, and to this solution was then added 0.008 moles of concentrated sodium hydroxide (NaOH). What is the new pH? |
| A. | 4.00 |
| B. | 4.53 |
| C. | 4.63 |
| D. | 4.50 |
| Answer» D. 4.50 | |
| 19. |
Which of the following acts as an address pointer? |
| A. | memory |
| B. | pointer |
| C. | stack |
| D. | register |
| Answer» E. | |
| 20. |
A solution was prepared by dissolving 0.02 moles of acetic acid (HOAc; pKa = 4.8) in water to give 1 liter of solution. What is the pH? |
| A. | 3.00 |
| B. | 3.05 |
| C. | 3.15 |
| D. | 3.25 |
| Answer» E. | |
| 21. |
How is a stack created? |
| A. | slack and pointer |
| B. | stack and memory |
| C. | memory and a pointer |
| D. | memory and a register |
| Answer» E. | |
| 22. |
In one liter of water how many moles of water are present? |
| A. | 25 moles |
| B. | 30 moles |
| C. | 50 moles |
| D. | 55 moles |
| Answer» E. | |
| 23. |
What occurs first if data is stored in the buffer? |
| A. | speed increases |
| B. | linear shoot |
| C. | overshoot |
| D. | delay |
| Answer» E. | |
| 24. |
What is the H+ ion concentration in pure water? |
| A. | 1√ó10<sup>7</sup> m |
| B. | 1√ó10<sup>-7</sup> m |
| C. | 1√ó10<sup>14</sup> m |
| D. | 1√ó10<sup>-14</sup> m |
| Answer» C. 1‚Äö√†√∂‚àö‚â•10<sup>14</sup> m | |
| 25. |
How many bits does a 32-bit processor can access? |
| A. | 32-bit char |
| B. | 32-bit word |
| C. | 32-bit double |
| D. | 32-bit double word |
| Answer» C. 32-bit double | |
| 26. |
What is the molecular weight of water? |
| A. | 10 g/mol |
| B. | 20 g/mol |
| C. | 8 g/mol |
| D. | 18 g/mol |
| Answer» E. | |
| 27. |
Which of the following can remove data from the buffer? |
| A. | memory |
| B. | ram |
| C. | pointer |
| D. | slack |
| Answer» D. slack | |
| 28. |
What is the state of the buffer if it asked for data and cannot provide it? |
| A. | overrun |
| B. | underrun |
| C. | remains unchanged |
| D. | beyond overrun |
| Answer» C. remains unchanged | |
| 29. |
Which of the following is not a type of Acidic buffer mixture? |
| A. | Na<sub>2</sub>HPO<sub>4</sub> + Na<sub>3</sub>PO<sub>4</sub> |
| B. | CH<sub>3</sub>COOH+ CH<sub>3</sub>COONa |
| C. | H<sub>2</sub>CO<sub>3</sub>+Na<sub>2</sub>CO<sub>3</sub> |
| D. | H<sub>3</sub>PO<sub>4</sub>+NaH<sub>2</sub>PO<sub>4</sub> |
| Answer» B. CH<sub>3</sub>COOH+ CH<sub>3</sub>COONa | |
| 30. |
Which of the following is a condition for buffer overrun? |
| A. | cannot accept data |
| B. | cannot receive data |
| C. | cannot provide data |
| D. | can provide data |
| Answer» B. cannot receive data | |
| 31. |
Which of the following is not a simple buffer? |
| A. | CH<sub>3</sub>COONH<sub>4</sub> |
| B. | NH<sub>4</sub>CN |
| C. | H<sub>3</sub>PO<sub>4</sub> + NaH<sub>2</sub>PO<sub>4</sub> |
| D. | (NH<sub>4</sub>)<sub>2</sub> CO<sub>3</sub> |
| Answer» D. (NH<sub>4</sub>)<sub>2</sub> CO<sub>3</sub> | |
| 32. |
What do a buffer consist of? |
| A. | memory and register |
| B. | memory and peripheral |
| C. | memory and flag register |
| D. | memory and pointer |
| Answer» E. | |
| 33. |
If a decinormal solution of NaOH is added in a mixture of weak base and its strong salt then in the following condition which option is correct? |
| A. | Very high change in OH<sup>–</sup> ions |
| B. | High change in OH<sup>–</sup> ions |
| C. | Slight change in OH<sup>–</sup> ions |
| D. | No change in OH<sup>–</sup> ions |
| Answer» D. No change in OH<sup>‚Äö√Ñ√∂‚àö√ë‚àö¬®</sup> ions | |
| 34. |
Which device can compensate for the timing problems between the software? |
| A. | index |
| B. | register |
| C. | buffer |
| D. | memory |
| Answer» D. memory | |
| 35. |
If a drop of decinormal HCI is added to a mixture of weak acid and its strong salt then in the following condition which option is correct? |
| A. | Very high change in H<sup>+</sup> ions |
| B. | High change in H<sup>+</sup> ions |
| C. | Slight change in H<sup>+</sup> ions |
| D. | No change in H<sup>+</sup> ions |
| Answer» D. No change in H<sup>+</sup> ions | |
| 36. |
Which of the following can be used as a collection point of data? |
| A. | register |
| B. | buffer |
| C. | flag register |
| D. | accumulator |
| Answer» C. flag register | |
| 37. |
Which of these is an area for temporary memory storage? |
| A. | buffer |
| B. | register |
| C. | table |
| D. | flag |
| Answer» B. register | |