Question

)Explain the von Neumann architecture. Show how an instruction is executed by the von Neumann machine. 

13 Sep 2024
Answer :
Word Count : 1146

The Von Neumann architecture is a foundational concept in computer organization, serving as the basis for most modern computers. It describes a system where a computer's memory and processor are distinct, and the program instructions and data share the same memory space. This architecture was proposed by John von Neumann in the mid-20th century and has significantly influenced the design of most computer systems.

### Key Components of Von Neumann Architecture

Von Neumann architecture consists of five key components:

1. Central Processing Unit (CPU): The CPU is the heart of the computer, where all the computations and logical operations occur. The CPU is further divided into:
   - Control Unit (CU): Responsible for fetching, decoding, and executing instructions. It controls the flow of data and operations within the computer system.
   - Arithmetic Logic Unit (ALU): This unit performs arithmetic and logical operations such as addition, subtraction, multiplication, division, and comparison.
   - Registers: Small, fast storage locations within the CPU that store data temporarily for processing. Key registers include the Program Counter (PC), Memory Address Register (MAR), Memory Buffer Register (MBR), and Instruction Register (IR).

2. Memory ____ _________ _____ ___ ________ ________ __________.
___ ______ ___ _________ _______ _______.
____ _____ ________ _____ _________ ____ __________ ____.
_________ _____ _________ ______ ____ _____ ______ _________ _________.
________ _______ _____ ______ ________ ____ ________ ___ __________ ______ ________.
_______ _____ ________ ___ ______.
________ ________ ______ ______ ___ ____ _______ ______ _______ ________ ________.
_______ __________ ______ _________ ________ ______ ____ ___ _______ ______ ______ __________.
__________ __________ ____ __________ _______ _____ _________ ________ ______.
_________ ______ ________ ______ ______ ___.
______ _________ ________ ___ _________ _______ _____ __________ ______ ______.
________ ____ _____ ___ _______ _____ _______.
_____ ____ __________ __________ _____ ______ _____ _______ ___ ______ _________ ________.
_________ ______ ____ ____ ___ _____ ___ _________ _________ _________ ___.
________ ___ _____ _____ _______ ________ _________ ______.
_________ _________ _____ _____ ________.
______ _______ _______ ___ ________.
__________ ______ _______ ___ ___ ______.
_________ ________ _________ _______ _______ _________ ___ _________ ____.
_________ ______ __________ _______ _________ ________ __________ ______ _____ _________ ______.
____ ___ ________ ___ _____ __________ ________ _________ _________ _________ ________ _______.
__________ __________ ____ ___ ______ ___ ____ ___ ______ ___ _________.
_____ _________ ____ __________ _______.
_________ ___ _____ ____ _____.
________ ________ _______ __________ _________ _____ __________.
_________ ________ __________ ______ ________.
_____ __________ ______ ___ _______ ___ ______.
________ _______ _______ ____ _______ _______ ____.
________ ________ _______ ____ __________.
_______ ____ __________ ____ ________ ______ ___ ______ ______ ___ _______ _____.
____ _____ _________ __________ ___ _______.
__________ _____ __________ ____ _____ ______ __________ ___ _______ ________ _______ ______.
____ __________ ____ ______ _________ __________ ______ __________ _______ ___ __________ ____.
__________ __________ _________ ____ _______ ____ ___ __________.
_____ _______ ____ __________ ___ ______.
______ ___ _______ _______ ___ ________ _____.
_____ __________ ________ _______ ________ ________ ________ _________ _______.
________ ___ __________ ______ _________ ____ __________ ___ ________.
__________ _____ ________ ________ _______ _____ ______ _____ ______.
________ ________ __________ ______ ___ ______.
____ _________ _____ ______ _________.
_______ ________ ____ _______ ____ ________.
________ _____ _______ ________ __________.
_______ __________ ________ _____ ________ ___ ______ _______ ___ _____ ________.
_____ _______ _____ _____ ___ ___ ________ _____ ________.
______ ______ ___ ______ ______ ____ _______ _______ ____ __________ ____ _______.
__________ ____ ____ ___ ____ _______ ____ __________ ________.
________ ___ ____ ____ ____ __________.
______ ___ ______ ___ ____ ________ _________ _____ _____ ________ _______.
__________ _______ ____ _________ ______ ___ _______ ________ _______ _____ _________.
_______ _________ ___ ____ _________ ____ ___.
_________ _______ ______ ______ _______ _________ ________ _________.
______ ______ _________ ________ ____.
_________ ____ ___ ___ _____ _____ ___ _______ __________ ____ _____ _________.
______ ____ _____ __________ _______ _________.
______ ____ ___ ____ ______.
__________ ___ _______ __________ ________ ______ ______ _____ _________.
___ ______ ____ ________ _____ _______ ___ ________ _________ ____ ________ _______.
_________ ___ _______ ___ _____ ________ _____ ______.
_______ _____ ______ __________ ____ ______ ____ _______ ________ _______ ___.
____ ___ ______ __________ ________ _________ ___ __________ ______.
__________ ________ _____ ____ ___ _____ ________.
_____ _____ ________ _____ ___.
_______ _____ ________ ___ ________ ____ _______ _________ ___ _______ _______.
_______ __________ _____ _________ _________ _________ ____ _____ __________ _____ _______.
_________ _____ ________ ___ _______.
______ _______ _________ ____ _________ ________ ________ __________ ___ _________.
_____ ___ __________ _______ _____ __________ _____ _______.
_______ ______ ____ __________ _____ __________ ____ _____ ______ ______ _________.
________ ________ _________ _________ _________ ______ ____ ________ ______ ______ _______ __________.
_____ _____ _________ __________ ______ _________ _______.
______ _________ __________ ________ _______ ______ _________.
_________ ____ _____ _________ _______ _________ _____ _____ _____ ______.
_______ _________ __________ ______ _____ ____ ___ ______ __________ ____ ___ _________.
_______ ______ _______ ______ ___.
_________ ______ _______ ______ ___ ________ _____ _____.
________ _________ ____ _________ __________ ________ ________ ___ _______ ______ __________ ____.
_______ _________ _________ ___ _____ _____.
______ ____ _________ _________ _______ ______.
_____ ___ ______ _________ _________ ___ ___ ___ _____ ____ ______ ____.
_____ ________ __________ ______ ___ ________ _____ _________ ____ __________.
_________ _______ ___ _________ ________ _______ _________ _______ _______.
_______ ____ ____ _________ ________ _______ ________ ___ _______ ___ ____ _____.
_________ ____ _________ ________ _____ _________ _________ _____ ___.
____ ____ ___ ________ ______ ______.
__________ _________ __________ ______ _________ ________ ________ __________ ________ _______ ___ _________.
_______ ________ ________ ____ ___ ____.
__________ ________ ________ _______ __________ _____ _________ ___ ______ ______.
________ _________ ____ _________ ___ ___ __________ ___ ________ _________ _____ ____.
_________ ___ _________ ______ ______.
_______ ______ _________ __________ ______ _________ __________ ____ _________.
__________ ________ ________ _________ _____ _______ ___.
________ _____ __________ __________ ____ ___ _____ ______.
____ ___ _________ ___ ____ ________ ___.
____ ______ __________ ____ __________ ______ _______ ___.
______ __________ _______ ____ ______ ____.
_______ ________ _____ _______ _____ ____.
____ ___ _______ ________ ______ ___ ____ ____ _____ _____.
___ _____ ________ _______ ______ ________ ______ ________ ___.
____ ______ ____ ___ __________ ______ ________.
________ ___ ________ __________ ______ _________ _______.
________ _____ __________ _________ __________ _____ __________ __________ ________ ___.
____ ___ __________ _________ ________.
_________ ___ _____ ______ ______ ________ _________ ________ ______.
____ _____ ______ _______ _____ _______ _________.
_____ ___ _______ __________ ___ ___ ____ ___ _________ _________.
_____ __________ ___ _____ ______ ______ _______ ___ _______.
__________ ______ __________ ________ ______ ______ ______ ________.
_____ ___ _____ _____ ______ __________ ___ __________ ______ ______ __________.
_____ ________ ____ ________ ______ ____ _____.
__________ __________ ______ __________ ________.
_________ _______ ___ _________ ______ ___.
_________ ________ ____ _________ ________ _______ __________ ______ ________ _______.
__________ ______ ________ _______ _______ __________ ___ ________ _________ ________ _____.
__________ ___.
Get Full Answer on WhatsApp

Related Questions

 Perform the following conversion of numbers:

(i) Decimal (2536475891)10 to binary and hexadecimal.
(ii) Hexadecimal (FABCD1E)h to Octal.
(iii) String “ISO-8859-1 coding” to UTF 16.
(iv) Octal (23174560)O to Decimal

 

Explain the functioning of shift instructions, and subroutine call and return instructions with the help of an example/diagram of each. Also, explain the following addressing modes with the help of a diagram - Indirect Addressing and Index addressing. You should show instructions and operands in the diagram.

Consider that the main memory of a computer is 256 words, with each word of 8 bits in size. The
cache memory of this computer is 16 blocks, having a block size of 32 bits. Find the cache addresses
for the main memory addresses 5Ah and 8Bh given the following cache mapping schemes:

(i)Associative cache mapping
(ii)Direct cache mapping
(iii)Two-way set associative cache mapping

d)Explain the Direct Memory Access and interrupt driven I/O techniques. How are these two techniques different to each other? Also, explain different kinds of Interrupts. 

) Consider a machine that brings all the operands to registers before performing the ALU operation. The machine uses PC, IR, and MAR registers. All memory accesses bring data to the AX register. The operations are performed in AC and AX registers, and results are stored in the AC register. List and explain all the microoperations required to execute an instruction AC AC+[MAR] on this machine

What are the features of RISC? Explain the instruction pipelining in the RISC processor. How is branch penalty handled in RISC?

)Explain the main architectural differences between the von Neumann architecture and Harvard architecture with the help of a diagram of each.

IGNOU Solved Assignments Assignments Ignou Projects Project Previous Year Solved Exam Papers Notes Notes Sample Question Papers Sample Question Papers
Login Cart
IGNOU NEWS
Assignment Submission Last Date Extended Till 30 June 2026 Click Here★★★IGNOU June 2026 TEE Date Sheet Released Click Here★★★
Top
📞
Call Support Instant phone assistance )Explain the von Neumann architecture. Show how an instruction is exec
→
🟢
WhatsApp Chat Fast live messaging
→
Email Us Business enquiries & support
→