MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 12 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. |
HOW_MANY_TYPES_OF_RAMS_ARE??$ |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 2. |
COMPUTERS_INVARIABLY_USE_RAM_FOR?$ |
| A. | High complexity |
| B. | High resolution |
| C. | High speed main memory |
| D. | High flexibility |
| Answer» D. High flexibility | |
| 3. |
Dynamic RAM employs$ |
| A. | Capacitor or MOSFET |
| B. | FET or JFET |
| C. | Capacitor or BJT |
| D. | BJT or MOS |
| Answer» B. FET or JFET | |
| 4. |
Static RAM employs$ |
| A. | BJT or MOSFET |
| B. | FET or JFET |
| C. | Capacitor or BJT |
| D. | BJT or MOS |
| Answer» E. | |
| 5. |
The data written in flip-flop remains stored as long as |
| A. | D.C. power is supplied |
| B. | D.C. power is removed |
| C. | A.C. power is supplied |
| D. | A.C. power is removed |
| Answer» B. D.C. power is removed | |
| 6. |
The magnetic core memories have been replaced by semiconductor RAMs, why? |
| A. | Semiconductor RAMs are highly flexible |
| B. | Semiconductor RAMs has highest storing capacity |
| C. | Semiconductor RAMs are smaller in size |
| D. | All of the Mentioned |
| Answer» E. | |
| 7. |
Which one of the following is volatile in nature? |
| A. | ROM |
| B. | EROM |
| C. | PROM |
| D. | RAM |
| Answer» E. | |
| 8. |
Which of the following control signals are selected for read and write operations in a RAM? |
| A. | Data buffer |
| B. | Chip select |
| C. | Read and write |
| D. | None of the Mentioned |
| Answer» D. None of the Mentioned | |
| 9. |
The n-bit address is placed in the |
| A. | MBR |
| B. | MAR |
| C. | RAM |
| D. | ROM |
| Answer» C. RAM | |
| 10. |
If a RAM chip has n address input lines then it can access memory locations upto |
| A. | 2<sup>(n-1)</sup> |
| B. | 2<sup>(n+1)</sup> |
| C. | 2<sup>n</sup> |
| D. | 2<sup>2n</sup> |
| Answer» D. 2<sup>2n</sup> | |
| 11. |
The chip by which both the operation of read and write is performed |
| A. | RAM |
| B. | ROM |
| C. | PROM |
| D. | EPROM |
| Answer» B. ROM | |
| 12. |
What is access time? |
| A. | The time taken to move a stored word from one bit to other bit after applying the address bits |
| B. | The time taken to write a word after applying the address bits |
| C. | The time taken to read a stored word after applying the address bits |
| D. | The time taken to erase a stored word after applying the address bits |
| Answer» D. The time taken to erase a stored word after applying the address bits | |