MCQOPTIONS
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MCQOPTIONS
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. |
When a RAM module passes the checker board test it is ______________ |
| A. | Able to read and write only 0s |
| B. | Faulty |
| C. | Probably good |
| D. | Able to read and write only 1s |
| Answer» D. Able to read and write only 1s | |
| 2. |
Suppose that a certain semiconductor memory chip has a capacity of 8K 8. How many bytes could be stored in this device? |
| A. | 8,000 |
| B. | 65,536 |
| C. | 8,192 |
| D. | 64,000 |
| Answer» D. 64,000 | |
| 3. |
ROMs retain data when ______________ |
| A. | Power is on |
| B. | Power is off |
| C. | System is down |
| D. | All of the Mentioned |
| Answer» E. | |
| 4. |
To read from the memory, the select input and the power down/program input must be ______________ |
| A. | HIGH |
| B. | LOW |
| C. | Sometimes HIGH and sometimes LOW |
| D. | Alternate HIGH and LOW |
| Answer» C. Sometimes HIGH and sometimes LOW | |
| 5. |
To store 0 in such a cell, the floating point must be ______________ |
| A. | Reprogrammed |
| B. | Restarted |
| C. | Charged |
| D. | Power off |
| Answer» D. Power off | |
| 6. |
The initial values in all the cells of an EPROM is ______________ |
| A. | 0 |
| B. | 1 |
| C. | Both 0 and 1 |
| D. | Alternate 0s and 1s |
| Answer» C. Both 0 and 1 | |
| 7. |
The check sum method of testing a ROM ______________ |
| A. | Allows data errors to be pinpointed to a specific memory location |
| B. | Provides a means for locating and correcting data errors in specific memory locations |
| C. | Indicates if the data in more than one memory location is incorrect |
| D. | Simply indicates that the contents of the ROM are incorrect |
| Answer» E. | |
| 8. |
Address decoding for dynamic memory chip control may also be used for ______________ |
| A. | Chip selection and address location |
| B. | Read and write control |
| C. | Controlling refresh circuits |
| D. | Memory mapping |
| Answer» B. Read and write control | |
| 9. |
The EPROM was invented by ______________ |
| A. | Wen Tsing Chow |
| B. | Dov Frohman |
| C. | Luis O Brian |
| D. | J P Longwell |
| Answer» C. Luis O Brian | |
| 10. |
EPROM uses an array of _______________ |
| A. | p-channel enhancement type MOSFET |
| B. | n-channel enhancement type MOSFET |
| C. | p-channel depletion type MOSFET |
| D. | n-channel depletion type MOSFET |
| Answer» C. p-channel depletion type MOSFET | |