MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Technical MCQs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the default value of a bitset? |
| A. | 0 |
| B. | 1 |
| C. | -1 |
| D. | infinite |
| E. | |
| Answer» B. 1 | |
| 2. |
bitset::hash() used for? |
| A. | Convert hash value to unsigned long |
| B. | Returns hash value based on the provided bitset. |
| C. | Reports the size of the hash. |
| D. | Reset hash value to zero. |
| Answer» C. Reports the size of the hash. | |
| 3. |
Which bitset method toggles all bits from bitset? |
| A. | bitset::count() |
| B. | bitset::flip() |
| C. | bitset::test() |
| D. | bitset::to_ullong() |
| Answer» C. bitset::test() | |
| 4. |
Which bitset method tests whether all bits from bitset are set or not? |
| A. | bitset::any() |
| B. | bitset::test() |
| C. | bitset::all() |
| D. | bitset::operator[] |
| Answer» D. bitset::operator[] | |
| 5. |
The size of bitset is fixed at compile time that is, it can’t be changed at runtime. |
| A. | TRUE |
| B. | FALSE |
| C. | Can be true and false |
| D. | Can not say |
| Answer» B. FALSE | |
| 6. |
What is true about bitset? |
| A. | A bitset is an array of bool |
| B. | A limitation of bitset is,N must be known at compile time |
| C. | As bitset stores the same information in compressed manner the operation on bitset are faster than that of array and vector. |
| D. | All of the above |
| Answer» E. | |
| 7. |
Space taken by bitset bs is less than? |
| A. | bool bs[N] |
| B. | vector bs(N) |
| C. | Both A and B |
| D. | None of the above |
| Answer» D. None of the above | |