1. 

In which numbering system can the binary number 1011011111000101 be easily converted to?

A. Decimal system
B. Hexadecimal system
C. Octal system
D. No need to convert

2. 

Which bitwise operator is suitable for turning off a particular bit in a number?

A. && operator
B. & operator
C. || operator
D. ! operator

3. 

Which bitwise operator is suitable for turning on a particular bit in a number?

A. && operator
B. & operator
C. || operator
D. | operator

4. 

Which bitwise operator is suitable for checking whether a particular bit is on or off?

A. && operator
B. & operator
C. || operator
D. ! operator