COA2

Which component of the CPU is responsible for managing and coordinating the operation of the entire CPU?

• Registers

• Control Unit (CU)

• Arithmetic Logic Unit (ALU)

• Main Memory

In the context of CPU operation, what is the purpose of the decoder?

• Manage and coordinate CPU operations

• Control the execution of instructions

• Select the destination register for data transfer

• Perform arithmetic and logical operations

How many bits make up the control word in the CPU?

• 8 bits

• 10 bits

• 12 bits

• 14 bits

What activity is NOT performed by the Arithmetic Logic Unit (ALU) of the CPU?

• Handling basic arithmetic operations

• Executing logical operations

• Fetching instructions from memory

• Comparing values

What is the alternative name for a stack?

• First In First Out (FIFO

• First In Last Out (FILO)

• Last In First Out (LIFO

• Last In Last Out (LILO)

Which notation places the operator after the operands?

• Prefix notation

• Infix notation

• Postfix notation

• Polish notation

What is the register that holds the address for the top element in a stack?

• Address Register (AR)

• Memory Pointer (MP)

• Stack Register (SR)

• Stack Pointer (SP)

Which addressing mode is used for pointers to memory, loop control, and program relocation?

• A) Implicit mode

• B) Register direct mode

• C) Register indirect mode

• D) Index mode

1. In which addressing mode are operands specified within the instruction itself?

• A) Implicit mode

• B) Immediate mode

• C) Register direct mode

• D) Index mode

Which addressing mode uses a processor register to specify the operand's address? C\

• A) Register direct mode

• B) Register indirect mode

• C) Auto-increment mode

• D) Auto-decrement mode