Who described the first design for modern computers that had stored programs?

• Ada Lovelace

• Charles Babbage

• John von Neumann

• Alan Turing

What is the purpose of the memory address register in a von Neumann architecture?

• Holds the results of calculations

• Holds the address of the next instruction to be executed

• Holds the address of where data is to be fetched from or stored into the memory

• Holds any data which has been fetched from memory or is about to be written to memory

What is the function of the accumulator in a von Neumann architecture?

• Holds the address of the next instruction to be executed

• Holds the results of calculations

• Holds any data which has been fetched from memory or is about to be written to memory

• Holds the address of where data is to be fetched from or stored into the memory

What is the purpose of the memory data register in a von Neumann architecture?

• Holds the results of calculations

• Holds any data which has been fetched from memory or is about to be written to memory

• Holds the address of where data is to be fetched from or stored into the memory

• Holds the address of the next instruction to be executed

What is the main characteristic of a von Neumann architecture?

• Multiple control units

• Multiple arithmetic logic units

• Separate memory for instructions and data

• Single control unit and single arithmetic logic unit

What is the function of the program counter in a von Neumann architecture?

• Holds the address of where data is to be fetched from or stored into the memory

• Holds the address of the next instruction to be executed

• Holds the results of calculations

• Holds any data which has been fetched from memory or is about to be written to memory

What is the purpose of the cache in a von Neumann architecture?

• Holds the results of calculations

• Holds the address of the next instruction to be executed

• Stores a copy of recently fetched instructions or data

• Holds any data which has been fetched from memory or is about to be written to memory

What is the role of the arithmetic logic unit in a von Neumann architecture?

• Holds any data which has been fetched from memory or is about to be written to memory

• Holds the results of calculations

• Holds the address of where data is to be fetched from or stored into the memory

• Performs calculations and logical operations

What is the function of the internal clock in a von Neumann architecture?

• Holds any data which has been fetched from memory or is about to be written to memory

• Performs calculations and logical operations

• Synchronizes components of the CPU

• Holds the address of where data is to be fetched from or stored into the memory

What is the purpose of the control unit in a von Neumann architecture?

• Holds any data which has been fetched from memory or is about to be written to memory

• Decodes instructions and controls the flow of data within the CPU

• Performs calculations and logical operations

• Synchronizes components of the CPU