J277 - 1.1 - Architecture of the CPU

What is the primary function of the Central Processing Unit (CPU) in a computer?

• To store data permanently

• To execute program instructions

• To provide power to the computer

• To manage network connections

Which component of the CPU is responsible for performing arithmetic calculations?

• Control Unit

• Arithmetic Logic Unit (ALU)

• Memory Unit

• Input/Output Unit

Which of the following operations is NOT performed by the ALU?

• Addition

• Logical bitwise operations

• Data storage

• Comparisons between values

What does the control unit do with program instructions?

• Stores them permanently

• Organises and decodes them

• Deletes them after use

• Sends them to the printer

Which logical operation is performed by the ALU?

• AND

• COPY

• SAVE

• PRINT

What is the role of the control unit in the CPU?

• To perform arithmetic operations

• To manage the sequence of instruction execution

• To store data temporarily

• To connect to external devices

Which of the following is a comparison operation performed by the ALU?

• Greater than

• Copy

• Save

• Print

What does decoding an instruction involve?

• Analysing the opcode and operand

• Storing the instruction permanently

• Printing the instruction

• Sending the instruction to the network

Which operation is NOT a part of logical bitwise operations?

• OR

• NOT

• ADD

• XOR

What is the purpose of shifting binary patterns in the ALU?

• To increase storage capacity

• To perform arithmetic operations

• To adjust the position of bits

• To connect to the internet