Computer Architecture: Von Neumann Model

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What is the primary goal of the von Neumann architecture design?

To increase the size of computer memory
To improve the speed of computer processing
To design a simple fixed-structure computer that can perform any complex computation without hardware modification (correct)
To reduce the cost of computer hardware

What is the main advantage of the von Neumann architecture?

It reduces the need for input/output devices
It allows for modification of instructions in the same way as data (correct)
It allows for faster processing of data
It uses separate memory units for data and instructions

What are the four main components of a computer system according to the von Neumann architecture?

Processor, memory, input/output devices, and operating system
Processor, memory, bus system, and reliability
Processor, memory, input/output devices, and software
Processor, memory, input/output devices, and bus system (correct)

What is the term for the probability of failure-free software operation for a specified period of time in a specified environment?

Reliability (C) Signup and view all the answers

What is the name of the memory unit where data and instructions share the same memory space?

RAM (Random Access Memory) (A) Signup and view all the answers

Who proposed the von Neumann architecture in 1945?

John von Neumann (B) Signup and view all the answers

What is the primary function of the Fetch Operands step in the instruction cycle?

To retrieve the required operands from memory or registers (D) Signup and view all the answers

What is the main issue with the von Neumann architecture?

The data and instructions are stored on a shared memory and can only be accessed through the data bus (B) Signup and view all the answers

What is the purpose of the Execute Operation step in the instruction cycle?

To perform the operation on the fetched operands (C) Signup and view all the answers

What is the main characteristic of the Harvard Architecture in contrast to the von Neumann Architecture?

Data and instructions are treated separately (B) Signup and view all the answers

What is the consequence of the von Neumann bottleneck?

The CPU is idle when data are transmitted via the data bus (D) Signup and view all the answers

What is the purpose of the Store Result step in the instruction cycle?

To write the result of the operation into the destination (A) Signup and view all the answers

What is the primary function of the control unit in the von Neumann architecture?

Control and orchestrate CPU operations (A) Signup and view all the answers

What is stored in the Program Counter (PC) register?

The memory address of the instruction (C) Signup and view all the answers

What is the function of the Arithmetic/Logic Unit (ALU) in the von Neumann architecture?

To perform arithmetic and logic operations (A) Signup and view all the answers

What is the purpose of the registers in the von Neumann architecture?

To store data temporarily before processing (A) Signup and view all the answers

What is the function of the Memory Address Register (MAR)?

To store the memory address of the instruction (A) Signup and view all the answers

What is the number of registers in the von Neumann architecture?

5 (B) Signup and view all the answers