Computer Science Hardware Quiz 1

What does the CPU stand for?

• Central Processing Unit

• Computer Processing Unit

• Central Program Unit

• Computer Program Unit

What is the function of the Arithmetic Logic Unit (ALU)?

• Stores data temporarily

• Manages memory addresses

• Carries out arithmetic and logical operations

• Controls data flow

What does the program counter (PC) do?

• Stores the current instruction

• Stores the address of the next instruction

• Stores data being read from memory

• Stores the address of the memory location

Which type of memory is volatile?

• Read Only Memory (ROM)

  只读存储器

• Backing Store

  备份存储

• Random Access Memory (RAM)

  随机存取存储器

• Flash memory 闪存

What is the purpose of the control unit in a CPU?

• To execute instructions

• To manage memory

• To ensure synchronization of data flow

• To store data temporarily

What does overclocking refer to?

• Increasing the RAM size

• Changing the clock speed to a higher value

• Reducing the CPU temperature

• Upgrading the operating system

What is a dual core CPU?

• A CPU with two cores

• A CPU with eight cores

• A CPU with one core

• A CPU with four cores

What does the term 'cache' refer to?

• A type of ROM

• Permanent storage

• A type of RAM

• Temporary memory for frequently used data

What is the function of a router?

• To connect devices to a network

• To store data permanently

• To process instructions

• To manage memory addresses

What is a MAC address?

• A protocol for data transfer

• A type of storage device

• A unique identifier for a device on a network

• A temporary IP address