C Programming - Bitwise Operators

1.
In which numbering system can the binary number 1011011111000101 be easily converted to?
Decimal system
Hexadecimal system
Octal system
No need to convert
Answer: Option
Explanation:
Hexadecimal system is better, because each 4-digit binary represents one Hexadecimal digit.

2.
Which bitwise operator is suitable for turning off a particular bit in a number?
&& operator
& operator
|| operator
! operator
Answer: Option
Explanation:
No answer description is available. Let's discuss.

3.
Which bitwise operator is suitable for turning on a particular bit in a number?
&& operator
& operator
|| operator
| operator
Answer: Option
Explanation:
No answer description is available. Let's discuss.

4.
Which bitwise operator is suitable for checking whether a particular bit is on or off?
&& operator
& operator
|| operator
! operator
Answer: Option
Explanation:
No answer description is available. Let's discuss.