A Level CS - Bitwise Manipulation and Masks Quiz - CnD video

What happens when we left shift the binary number 22 by one bit?

• 44

• 11

• 40

• 22

What is the result of a right shift of the binary number 22 by one bit?

• 22

• 44

• 11

• 40

In which type of binary, the most significant bit is reserved as the sign bit?

• Logical binary

• Unsigned binary

• Two's complement signed binary

• Arithmetic binary

What is the purpose of using a bitwise and operation with a mask in a binary sequence?

• Toggle a subset of bits

• All of the above

• Set a subset of bits

• Extract a subset of bits

What is the effect of using a bitwise or operation with a mask in a binary sequence?

• Toggle a subset of bits

• Extract a subset of bits

• Set a subset of bits

• None of the above

How can a bitwise xor operation with a mask be used in a binary sequence?

• None of the above

• Toggle a subset of bits

• Set a subset of bits

• Extract a subset of bits

What is the purpose of isolating the network part of an IP address using a mask and a bitwise and operation?

• To extract a subset of bits

• To identify the host part of the address

• To route traffic around a network

• To work out whether the destination computer is on the same network as the host

What is the main use of masks and bitwise operations in computing?

• To manipulate bit patterns

• To perform arithmetic calculations

• To extract binary sequences

• To identify the host part of an IP address

What other operations can an arithmetic logic unit carry out?

• All of the above

• Bitwise operations

• Logical operations

• Shift operations

What is the result of a left shift of the binary number 22 by two bits?

• 22

• 40

• 11

• 44