COAL Diagnostic

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

• To store data

• To execute instructions

• To communicate with peripherals

• To manage memory

What is the difference between a Von Neumann architecture and a Harvard architecture?

• Von Neumann uses a separate bus for data and instructions, while Harvard uses a shared bus

• Von Neumann uses a separate bus for data and instructions, while Harvard uses separate buses for data and instructions

• Von Neumann uses a shared bus for data and instructions, while Harvard uses separate buses for data and instructions

• Von Neumann uses a single bus for all data and instructions, while Harvard uses separate buses for data and instructions

What is the purpose of a memory management unit (MMU)?

• To allocate memory to programs

• To protect memory from unauthorized access

• To translate virtual addresses to physical addresses

• To manage memory allocation for the operating system

What is the assembly language instruction `MOV AX, 0` equivalent to in machine language?

• `1010101111001101`

• `0110101111001101`

• `1011011111001101`

• `1100111111001101`

What is the term for a type of instruction that operates on two operands?

• Arithmetic instruction

• Logical instruction

• Control instruction

• Shift instruction

What is the purpose of a branch prediction mechanism in a CPU?

• To predict whether an instruction will be executed or not

• To predict whether an instruction will be taken or not

• To predict whether an instruction will be executed in parallel or not

• To predict whether an instruction will be stalled or not

What is the name of the assembly language instruction that loads the contents of a register into memory?

• `MOV`

• `LOAD`

• `STORE`

• `COPY`

What is the term for a type of cache that stores only the most frequently accessed data?

• Level 1 cache

• Level 2 cache

• Level 3 cache

• Write-back cache

What is the purpose of a pipeline in a CPU?

• To increase the number of instructions that can be executed in parallel

• To increase the clock speed of the CPU

• To reduce the number of clock cycles required to execute an instruction

• To improve branch prediction accuracy

What is the name of the assembly language instruction that adds two numbers together?

• `ADD`

• `SUB`

• `MUL`

• `DIV`