J277|U1 CPU and Computer Architecture

What is the primary function of the CPU?

• Storing data

• Executing instructions

• Displaying graphics

• Connecting to the internet

In the Von Neumann architecture, where are programs and data stored?

• In separate memory locations

• In the CPU's registers

• In the same memory location

• On the hard drive

Which CPU component coordinates and controls all the activities within the CPU?

• ALU

• Registers

• Control Unit

• Cache

Which CPU component performs arithmetic and logical operations?

• Control Unit

• Registers

• ALU

• Cache

What are the small, high-speed storage locations within the CPU called?

• Cache

• Registers

• RAM

• ROM

Which register holds the address of the next instruction to be executed?

• MDR

• MAR

• PC

• ACC

Which register holds the memory address of the data or instruction to be accessed?

• MDR

• MAR

• PC

• ACC

Which register contains the data or instruction that has been fetched from memory?

• MDR

• MAR

• PC

• ACC

Which register stores the intermediate results of arithmetic and logical operations?

• MDR

• MAR

• PC

• ACC

What is the first step in the fetch-decode-execute cycle?

• Decode

• Execute

• Fetch

• Store