Fundamentals of a Computer

What is the definition of a computer?

• An electronic device that takes an input, processes data, and delivers output

• A device that stores computer programs

• A device that carries out instructions

• A device that fetches, decodes, and executes instructions

What are two ways of describing the critical components of a typical desktop computer?

• Memory and Central Processing Unit (CPU)

• Monitor and Speaker

• Controller and Fan

• RAM and Processor

What is the purpose of the CPU?

• To fetch, decode, and execute instructions

• To store computer programs

• To communicate via sound

• To determine the current date

What occurs during the fetch cycle of the CPU?

• The CPU fetches the next instruction from the computer's main memory

• The CPU inspects and breaks down the instruction

• The CPU carries out the instruction

• The CPU stores information back into main memory

What is the clock speed of a modern CPU measured in?

• Hertz

• Bytes

• Megabytes

• Gigahertz

How many times does the fetch execute cycle occur per second on a modern CPU?

• Billions

• Millions

• Thousands

• Hundreds