1.1.1 The CPU V2

The CPU is known as the _______________ of the computer system

• Heart

• Brain

• Legs

• Mind

What BEST describes the function of a CPU?

• Process information

• Processes data

• Processes instructions

• Processes data and instructions

Which IS NOT a characteristic of the CPU?

• Clock speed

• Capacity

• Number of cores

• Cache size

Which is NOT a function of a control unit?

• Stores data to be used by RAM

• Controls main memory and I/O devices

• Controls the flow of data

• Executes program instructions

What does the ALU do?

• Completes simple arithmetic functions

• Divides data

• Stores data

• Stores addresses

What does the ALU do?

• Stores data permanently

• Stores virtual memory

• Processes data

• Performs comparisons on numbers

What does the ALU do?

• Compares cache size

• Performs cycles per second

• Performs logic operations such as AND, OR and NOT

• Interacts with secondary storage

What is cache?

• A very fast register

• A very fast processor

• Very fast storage

• Very fast memory

What does cache store?

• Frequently used data so it can be accessed quickly next time it's needed

• Regularly used information so it can be accessed quickly next time it's needed

• Regularly used data so it can be accessed slowly next time it's needed

• Regularly used commands so it can be accessed slowly next time it's needed

Which is the fastest level of cache memory?

• Level 3

• Level 2

• Level 1

• Level 4